<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0870-8231</journal-id>
<journal-title><![CDATA[Análise Psicológica]]></journal-title>
<abbrev-journal-title><![CDATA[Aná. Psicológica]]></abbrev-journal-title>
<issn>0870-8231</issn>
<publisher>
<publisher-name><![CDATA[ISPA-Instituto Universitário]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0870-82312019000400001</article-id>
<article-id pub-id-type="doi">10.14417/ap.1472</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Alterações da personalidade na demência: Uma revisão]]></article-title>
<article-title xml:lang="en"><![CDATA[Personality changes in dementia: A review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Henriques-Calado]]></surname>
<given-names><![CDATA[Joana]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duarte-Silva]]></surname>
<given-names><![CDATA[Maria Eugénia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidade de Lisboa Faculdade de Psicologia ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidade de Lisboa Faculdade de Psicologia CICPSI]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>37</volume>
<numero>4</numero>
<fpage>417</fpage>
<lpage>430</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0870-82312019000400001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0870-82312019000400001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0870-82312019000400001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Objetivou-se analisar estudos empíricos sobre as alterações da personalidade na Demência, através da avaliação dos traços baseada no Modelo dos Cinco Fatores da Personalidade. Procedeu-se a revisão da literatura indexada nas bases de dados EBSCO/Web of Knowledge/Medline/Pubmed/SciELO/Scopus. Foram incluídas 57 referências. As alterações da personalidade são evidentes nas fases iniciais da Demência e podem ser um marcador clínico precoce. Um dado parece ser transversal e geralmente unânime na literatura, evidencia-se um aumento na dimensão Neuroticismo e um decréscimo na dimensão Conscienciosidade. Sugere-se a necessidade de exploração sistemática, para que seja introduzida uma avaliação da personalidade, no diagnóstico de Demência de Alzheimer, de forma a aumentar a sensibilidade do diagnóstico precoce e com utilidade prática ao nível do diagnóstico clínico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The present review aimed to analyze empirical studies that have investigated the personality changes in dementia, based on the Five Factor Model of Personality. We systematically reviewed empirical articles indexed in the following databases EBSCO/Web of Knowledge/Medline/Pubmed/SciELO/Scopus. Fifty-seven articles were included. The personality changes are evident in the early stages of dementia and could be an early clinical marker. A data appears to be generally transverse and unanimous, there is evidence of an increase in personality trait Neuroticism and a decrease in personality trait Consciousness. It is suggested the need for systematic investigations, in order to increase the sensitivity of early diagnosis and practical utility in terms of current clinical diagnosis in Alzheimer’s dementia, with the introduction of personality evaluation.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Demência]]></kwd>
<kwd lng="pt"><![CDATA[Personalidade]]></kwd>
<kwd lng="pt"><![CDATA[Psicologia clínica]]></kwd>
<kwd lng="pt"><![CDATA[Revisão]]></kwd>
<kwd lng="en"><![CDATA[Dementia]]></kwd>
<kwd lng="en"><![CDATA[Personality]]></kwd>
<kwd lng="en"><![CDATA[Clinical psychology]]></kwd>
<kwd lng="en"><![CDATA[Revision]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p><b>Altera&ccedil;&otilde;es da personalidade na dem&ecirc;ncia: Uma revis&atilde;o</b></p>     <p><b>Personality changes in dementia: A review</b></p>     <p><b>Joana Henriques-Calado<sup>1</sup>, Maria Eug&eacute;nia Duarte-Silva<sup>2</sup></b></p>     <p><sup>1</sup>Faculdade de Psicologia, Universidade de Lisboa, Lisboa, Portugal / CICPSI, Faculdade de Psicologia, Universidade de  Lisboa, Lisboa, Portugal</p>     <p><sup>2</sup>Faculdade de Psicologia, Universidade de Lisboa, Lisboa, Portugal</p>     <p><a name="topc0"></a><a href="#c0">Correspondência</a></p>     <p>&nbsp;</p>     <p><b>RESUMO</b></p>     <p>Objetivou-se analisar estudos emp&iacute;ricos sobre as altera&ccedil;&otilde;es da personalidade na Dem&ecirc;ncia, atrav&eacute;s da  avalia&ccedil;&atilde;o dos tra&ccedil;os baseada no Modelo dos Cinco Fatores da Personalidade. Procedeu-se a revis&atilde;o da literatura  indexada nas bases de dados EBSCO/Web of Knowledge/Medline/Pubmed/SciELO/Scopus. Foram inclu&iacute;das 57 refer&ecirc;ncias. As  altera&ccedil;&otilde;es da personalidade s&atilde;o evidentes nas fases iniciais da Dem&ecirc;ncia e podem ser um marcador cl&iacute;nico  precoce. Um dado parece ser transversal e geralmente un&acirc;nime na literatura, evidencia-se um aumento na dimens&atilde;o Neuroticismo e um  decr&eacute;scimo na dimens&atilde;o Conscienciosidade. Sugere-se a necessidade de explora&ccedil;&atilde;o sistem&aacute;tica, para que seja  introduzida uma avalia&ccedil;&atilde;o da personalidade, no diagn&oacute;stico de Dem&ecirc;ncia de <i>Alzheimer</i>, de forma a aumentar a  sensibilidade do diagn&oacute;stico precoce e com utilidade pr&aacute;tica ao n&iacute;vel do diagn&oacute;stico cl&iacute;nico.    <p>     ]]></body>
<body><![CDATA[<p><b>Palavras-chave</b>: Dem&ecirc;ncia, Personalidade, Psicologia cl&iacute;nica, Revis&atilde;o.</p>     <p>&nbsp;</p>     <p><b>ABSTRACT</b></p>     <p>The present review aimed to analyze empirical studies that have investigated the personality changes in dementia, based on the Five Factor  Model of Personality. We systematically reviewed empirical articles indexed in the following databases EBSCO/Web of  Knowledge/Medline/Pubmed/SciELO/Scopus. Fifty-seven articles were included. The personality changes are evident in the early stages of dementia  and could be an early clinical marker. A data appears to be generally transverse and unanimous, there is evidence of an increase in personality  trait Neuroticism and a decrease in personality trait Consciousness. It is suggested the need for systematic investigations, in order to increase  the sensitivity of early diagnosis and practical utility in terms of current clinical diagnosis in Alzheimer&rsquo;s dementia, with the  introduction of personality evaluation.</p>     <p><b>Key words</b>: Dementia, Personality, Clinical psychology, Revision.</p>     <p>&nbsp;</p>     <p><b>Introdu&ccedil;&atilde;o</b></p>     <p>As altera&ccedil;&otilde;es da personalidade j&aacute; fizeram parte do crit&eacute;rio de diagn&oacute;stico de Dem&ecirc;ncia no DSM-III, no  entanto, n&atilde;o foram inclu&iacute;das como crit&eacute;rio de diagn&oacute;stico no DSM-IV, apesar de fazerem parte da  descri&ccedil;&atilde;o em causa (Alzheimer&rsquo;s Association, 2013; Cummings, 2003; International Psychogeriatric Association [IPA], 2012;  Pocnet, Rossier, Antonietti, &amp; von Gunten, 2011).</p>     <p>Ind&iacute;viduos com doen&ccedil;a de <i>Alzheimer</i> (DA) apresentam, habitualmente, altera&ccedil;&otilde;es da personalidade, que ocorrem  em simult&acirc;neo e, por vezes, precedem outras manifesta&ccedil;&otilde;es cl&iacute;nicas de Dem&ecirc;ncia, tais como d&eacute;fices  cognitivos e altera&ccedil;&otilde;es de humor (Alzheimer&rsquo;s Association, 2013; D&rsquo;Iorio et al., 2018; IPA, 2012; Wahlin &amp; Byrne,  2011). Embora seja globalmente aceite que estas altera&ccedil;&otilde;es da personalidade poder&atilde;o ser um reflexo do impacto de  d&eacute;fices cerebrais progressivos, existem alguns padr&otilde;es poss&iacute;veis de altera&ccedil;&otilde;es da personalidade na  Dem&ecirc;ncia (e.g., Pocnet et al., 2011; Wahlin &amp; Byrne, 2011). A compreens&atilde;o destas como correlato de decl&iacute;nio cognitivo e  sintomas neuropsiqui&aacute;tricos pode auxiliar na defini&ccedil;&atilde;o de tratamentos psicoterap&ecirc;uticos, sociais e  farmacol&oacute;gicos (Rubin, Morris, &amp; Berg, 1987; Rubin, Morris, Storandt, &amp; Berg, 1986; von Gunten, Pocnet, &amp; Rossier, 2009;  Wahlin &amp; Byrne, 2011). As altera&ccedil;&otilde;es da personalidade s&atilde;o evidentes nas fases iniciais da DA e podem ser um &uacute;til  marcador cl&iacute;nico precoce de Dem&ecirc;ncia (Balsis, Carpenter, &amp; Storandt, 2005; Cipriani, Borin, Del Debbio, &amp; Di Fiorino, 2015;  Duberstein et al., 2011; Duchek, Balota, Storandt, &amp; Larsen, 2007; Henriques-Calado, Duarte-Silva, &amp; Sousa Ferreira, 2016; Pocnet,  Rossier, Antonietti, &amp; von Gunten, 2012, 2013; Terracciano et al., 2014; Terracciano, Stephan, Luchetti, &amp; Sutin, 2017; von Gunten et  al., 2009; Wahlin &amp; Byrne, 2011). Contudo, os dados provenientes de investiga&ccedil;&otilde;es nestas &aacute;reas permanecem escassos,  n&atilde;o obstante a vasta literatura que versa sobre a tem&aacute;tica da personalidade, em geral (D&rsquo;Iorio et al., 2018; Osborne,  Simpson, &amp; Stokes, 2010; Terracciano et al., 2014; von Gunten et al., 2009; Wahlin &amp; Byrne, 2011).</p>     <p>O objetivo deste estudo &eacute; o de fazer uma revis&atilde;o da literatura sobre as altera&ccedil;&otilde;es da personalidade na  Dem&ecirc;ncia, ao n&iacute;vel dos tra&ccedil;os, salientando tamb&eacute;m a import&acirc;ncia da sua avalia&ccedil;&atilde;o.</p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p><b>M&eacute;todo</b></p>     <p>Revis&atilde;o da literatura fundamentada nas refer&ecirc;ncias obtidas atrav&eacute;s de pesquisa nas bases EBSCO/Web of  Knowledge/Medline/Pubmed/SciELO/Scopus, utilizando diferentes combina&ccedil;&otilde;es das seguintes palavras-chave em ingl&ecirc;s e  portugu&ecirc;s de &ldquo;dem&ecirc;ncia&rdquo;, &ldquo;doen&ccedil;a de <i>Alzheimer</i>&rdquo;, &ldquo;altera&ccedil;&otilde;es da  personalidade&rdquo;, &ldquo;personalidade&rdquo;, &ldquo;NEO&rdquo;, &ldquo;tra&ccedil;os de personalidade&rdquo;, separadas pelo operador  boleano &ldquo;and&rdquo;, n&atilde;o se aplicando restri&ccedil;&atilde;o &agrave; data de publica&ccedil;&atilde;o. Foi realizada busca  adicional manual nas refer&ecirc;ncias bibliogr&aacute;ficas dos artigos identificados.</p>     <p>Foram inclu&iacute;dos artigos originais de pesquisa quantitativa ou qualitativa. Os crit&eacute;rios de exclus&atilde;o foram: artigos  n&atilde;o diretamente relacionados com o tema, as duplicidades, artigos de opini&atilde;o, ou escritos numa l&iacute;ngua diferente do  ingl&ecirc;s, portugu&ecirc;s, franc&ecirc;s ou espanhol.</p>     <p>&nbsp;</p>     <p><b>Resultados e discuss&atilde;o</b></p>     <p>Foram obtidas cerca de 79 refer&ecirc;ncias bibliogr&aacute;ficas globais e identificadas como de maior interesse 57 refer&ecirc;ncias  bibliogr&aacute;ficas sobre as altera&ccedil;&otilde;es da personalidade na Dem&ecirc;ncia, baseadas na Teoria do Tra&ccedil;o, e relacionadas  com o respetivo diagn&oacute;stico.</p>     <p>&nbsp;</p>     <p><i>Altera&ccedil;&otilde;es da personalidade na dem&ecirc;ncia</i></p>     <p>Alguns investigadores sugerem que as caracter&iacute;sticas de personalidade pr&eacute;-m&oacute;rbida podem representar um fator de risco  para a Dem&ecirc;ncia e, assim, a personalidade pr&eacute;-m&oacute;rbida dever&aacute; diferir entre doentes e controlos (D&rsquo;Iorio et al.,  2018; von Gunten et al., 2009). Existem evid&ecirc;ncias de que o estilo de personalidade pr&eacute;-m&oacute;rbido pode ser preditor dos  sintomas comportamentais e psicol&oacute;gicos da Dem&ecirc;ncia (Archer et al., 2006, 2009). Em primeiro lugar, tal como Welleford, Harkins, e  Taylor (1995) sugeriram, a personalidade pr&eacute;-m&oacute;rbida pode constituir um fator determinante, sendo que uma caricatura ou exagero da  personalidade original emerge &agrave; medida que a DA progride. Em segundo lugar, indiv&iacute;duos com DA podem tornar-se semelhantes entre si,  o que resulta num perfil espec&iacute;fico de doen&ccedil;a que se pode designar &ldquo;personalidade de <i>Alzheimer</i>&rdquo;, convergindo num  perfil comportamental unificado, com uma redu&ccedil;&atilde;o da normal variabilidade de tra&ccedil;os (Chatterjee, Strauss, Smyth, &amp;  Whitehouse, 1992; Petry, Cummings, Hill, &amp; Shapira, 1988). Em terceiro lugar, altera&ccedil;&otilde;es estereot&iacute;picas da personalidade  podem desenvolver-se na medida em que os doentes com DA revelam diminui&ccedil;&otilde;es e aumentos similares de caracter&iacute;sticas de  personalidade, enquanto mant&ecirc;m variabilidade individual, pelo que os que apresentavam resultados elevados em dada caracter&iacute;stica  permaneceriam com resultados mais elevados nessa caracter&iacute;stica, mesmo ap&oacute;s o in&iacute;cio da doen&ccedil;a (Chatterjee et al.,  1992; Siegler, Dawson, &amp; Welsh, 1994; Siegler et al., 1991; Welleford et al., 1995). Uma quarta e &uacute;ltima possibilidade seria a de que  as altera&ccedil;&otilde;es da personalidade poderiam ocorrer sem nenhum padr&atilde;o ou consist&ecirc;ncia espec&iacute;ficos e n&atilde;o  apresentar qualquer rela&ccedil;&atilde;o com a estrutura de personalidade pr&eacute;-existente (Welleford et al., 1995).</p>     ]]></body>
<body><![CDATA[<p>Com efeito a Teoria do Tra&ccedil;o, Modelo dos Cinco Fatores da Personalidade, atrav&eacute;s do Invent&aacute;rio de Personalidade NEO,  instaura-se de modo fidedigno e abrangente no estudo de popula&ccedil;&otilde;es idosas e com Dem&ecirc;ncia, para avalia&ccedil;&atilde;o das  cinco dimens&otilde;es da personalidade, do ponto de vista da atualidade e retrospetivamente (Osborne et al., 2010; Pocnet et al., 2012; von  Gunten et al., 2009). Desta forma, as altera&ccedil;&otilde;es da personalidade em indiv&iacute;duos diagnosticados com Dem&ecirc;ncia (de  <i>Alzheimer</i>) t&ecirc;m sido documentadas na literatura (e.g., Chatterjee et al., 1992; D&rsquo;Iorio et al., 2018; Henriques-Calado et al.,  2016; Pocnet et al., 2011; Shalat, Seltzer, Pidcock, &amp; Baker, 1987; Siegler et al., 1994; Strauss &amp; Pasupathi, 1994; Strauss, Pasupathi,  &amp; Chatterjee, 1993; Talassi, Cipriani, Bianchetti, &amp; Trabucchi, 2007). Um dado parece ser transversal e geralmente un&acirc;nime entre as  investiga&ccedil;&otilde;es, evidencia-se um aumento na dimens&atilde;o Neuroticismo e um decr&eacute;scimo na dimens&atilde;o Conscienciosidade  (e.g., Balsis et al., 2005; Brandt et al., 1998; Duchek et al., 2007; Henriques-Calado et al., 2016; Low, Harrison, &amp; Lackersteen, 2013;  Siegler et al., 1991, 1994; Strauss et al., 1993; Terracciano et al., 2014; Wahlin &amp; Byrne, 2011; Wilson et al., 2005).</p>     <p>Uma quest&atilde;o muito importante se coloca: n&atilde;o se torna claro como as diferen&ccedil;as quanto ao Neuroticismo e &agrave;  Conscienciosidade refletem <i>altera&ccedil;&otilde;es</i> na personalidade com o in&iacute;cio da Dem&ecirc;ncia de <i>Alzheimer</i>, ou se  estes tra&ccedil;os de personalidade j&aacute; estariam presentes, antes mesmo do in&iacute;cio da Dem&ecirc;ncia, predispondo de alguma forma os  indiv&iacute;duos &agrave; DA, podendo os tra&ccedil;os de personalidade pr&eacute;-m&oacute;rbidos serem preditivos desta mesma (Duchek et al.,  2007). Segundo Balsis et al. (2005), apesar dos indiv&iacute;duos com Dem&ecirc;ncia evolu&iacute;rem negativamente em determinadas  dimens&otilde;es da personalidade, continuam a reter a sua personalidade nuclear, demarcando-se assim de uma posi&ccedil;&atilde;o da  emerg&ecirc;ncia de uma &ldquo;personalidade de <i>Alzheimer</i>&rdquo; universal. Os sintomas psicopatol&oacute;gicos poder&atilde;o refletir,  na atualidade, exageros ou distor&ccedil;&otilde;es m&oacute;rbidas de tend&ecirc;ncias comportamentais de toda uma vida, podendo n&atilde;o se  tratar realmente de altera&ccedil;&otilde;es mas sim de <i>acentua&ccedil;&otilde;es/intensifica&ccedil;&otilde;es</i> de tra&ccedil;os j&aacute;  existentes (Brandt et al., 1998; Chatterjee et al., 1992; Petry et al., 1988; Pocnet et al., 2012, 2013). Kolanowski e Whall (1996), numa  revis&atilde;o de estudos sobre altera&ccedil;&otilde;es da personalidade, observam que embora hajam altera&ccedil;&otilde;es sistem&aacute;ticas  em indiv&iacute;duos com Dem&ecirc;ncia, estes preservam a configura&ccedil;&atilde;o de personalidade pr&eacute;-m&oacute;rbida. Em outras  palavras, parece que as pessoas com Dem&ecirc;ncia mant&ecirc;m os modelos de adapta&ccedil;&atilde;o que usavam no passado.</p>     <p>Num estudo de Helmes, Norton, e Ostbye (2013), os autores investigaram as altera&ccedil;&otilde;es da personalidade em 1132 idosos com  Dem&ecirc;ncia e num grupo controlo. Enquanto algumas altera&ccedil;&otilde;es na personalidade foram observadas no grupo controlo, as  varia&ccedil;&otilde;es foram muito mais proeminentes no grupo diagnosticado com Dem&ecirc;ncia, e foi mais consistente com um aumento linear na  altera&ccedil;&atilde;o da personalidade com a progress&atilde;o do preju&iacute;zo cognitivo. Num segundo estudo (longitudinal), evidenciam-se  altera&ccedil;&otilde;es da personalidade na Dem&ecirc;ncia, como sejam mudan&ccedil;as de humor e um exagero de tra&ccedil;os  pr&eacute;-m&oacute;rbidos. Al&eacute;m disto, a avalia&ccedil;&atilde;o dos Informantes em adultos mais velhos em ambientes estruturados pode  fornecer informa&ccedil;&otilde;es valiosas sobre os atributos da personalidade e as suas altera&ccedil;&otilde;es (Helmes et al., 2013).</p>     <p>Parece existir liga&ccedil;&atilde;o entre uma propens&atilde;o para o Neuroticismo e um risco aumentado para a DA (Chatterjee et al., 1992;  Wilson et al., 2003, 2004, 2006). Indiv&iacute;duos com n&iacute;veis mais elevados de Neuroticismo demonstraram-se duas vezes mais  suscet&iacute;veis ao desenvolvimento da DA do que os indiv&iacute;duos com menores pontua&ccedil;&otilde;es nesta dimens&atilde;o, quando outros  fatores de risco eram controlados tais como idade, educa&ccedil;&atilde;o e sintomas depressivos (Wilson et al., 2003). Por conseguinte, a  &ldquo;propens&atilde;o &agrave; ang&uacute;stia&rdquo; ou Neuroticismo elevado (caracterizado por afeto negativo frequente e vulnerabilidade ao  <i>stress</i>) em adultos mais velhos pode ser visto como um indicador da exposi&ccedil;&atilde;o do c&eacute;rebro ao <i>stress</i>  cr&oacute;nico (Wilson et al., 2006). Estas caracter&iacute;sticas podem derivar em modifica&ccedil;&otilde;es funcionais e estruturais cerebrais  ao n&iacute;vel do hipocampo (Baker &amp; Kim, 2002), originando a eros&atilde;o da mem&oacute;ria epis&oacute;dica e o decl&iacute;nio cognitivo  (Wilson et al., 2005). Por seu turno, a depress&atilde;o surge associada ao Neuroticismo pr&eacute;-m&oacute;rbido e &eacute; tamb&eacute;m  considerada um fator de risco para a DA, provavelmente devido aos doentes a experienciarem pessoalmente (Kokmen et al., 1991), ou porque existe  uma hist&oacute;ria familiar (Tsolaki, Fountoulakis, Chantzi, &amp; Kazis, 1997). Outros estudos encontraram uma associa&ccedil;&atilde;o entre  Neuroticismo pr&eacute;-m&oacute;rbido e preju&iacute;zo cognitivo (Crowe, Andel, Pedersen, Fratiglioni, &amp; Gatz, 2007) e com a Dem&ecirc;ncia  (Persson, Berg, Nilsson, &amp; Svanborg, 1991). A vulnerabilidade ao Neuroticismo, ao longo da vida, pode constituir um indicador nas pessoas  idosas do n&iacute;vel de estados emocionais negativos (Wilson et al., 2004). Para Wilson et al. (2004) a estrutura do hipocampo &eacute;  especialmente vulner&aacute;vel ao <i>stress</i> cr&oacute;nico, levando a altera&ccedil;&otilde;es na sua estrutura e d&eacute;fices na  aprendizagem e mem&oacute;ria que s&atilde;o mediados pelo hipocampo. Uma implica&ccedil;&atilde;o desta hip&oacute;tese &eacute; a de que  indiv&iacute;duos com maior propens&atilde;o para o <i>distress</i> podem ter maior risco de desenvolver DA, comparativamente com aqueles com  menor propens&atilde;o para o Neuroticismo. Neste sentido surge o estudo de Archer et al. (2009) que evidencia que o Neuroticismo, na meia-idade,  prediz o in&iacute;cio precoce da Dem&ecirc;ncia nas mulheres e &eacute; independente de uma hist&oacute;ria anterior de  perturba&ccedil;&atilde;o afetiva.</p>     <p>Como exemplo, na investiga&ccedil;&atilde;o de Persson e Skoog (1996), o papel dos fatores de risco psicossociais pr&eacute;-m&oacute;rbidos  no desenvolvimento da Dem&ecirc;ncia foi analisado num estudo prospetivo longitudinal de uma amostra representativa de indiv&iacute;duos na idade  avan&ccedil;ada. Sugere-se que as associa&ccedil;&otilde;es entre fatores de risco psicossociais e Dem&ecirc;ncia s&atilde;o devidas  provavelmente aos efeitos do <i>stress</i> (Persson &amp; Skoog, 1996). Tais fatores de risco, vividos enquanto situa&ccedil;&otilde;es  traum&aacute;ticas precoces e ao longo do ciclo de vida, causam rea&ccedil;&otilde;es de <i>stress</i> continuado, e t&ecirc;m-se estabelecido  associa&ccedil;&otilde;es entre tal fen&oacute;meno e o envelhecimento mental precoce e patol&oacute;gico (e.g., Persson &amp; Skoog, 1996;  Wilson et al., 2005, 2006; Wilson, Schneider, Arnold, Bienias, &amp; Bennett, 2007).</p>     <p>N&atilde;o obstante o padr&atilde;o sistem&aacute;tico de altera&ccedil;&otilde;es da personalidade, alguns dados sugerem que doentes com DA  apresentam, habitualmente, pontua&ccedil;&otilde;es mais elevadas no Neuroticismo, e pontua&ccedil;&otilde;es mais baixas nas dimens&otilde;es de  personalidade Extrovers&atilde;o, Abertura &agrave; Experi&ecirc;ncia e Conscienciosidade, quando comparados com a sua pr&eacute;-morbilidade  (Archer et al., 2006; Chatterjee et al., 1992; Dawson, Welsh-Bohmer, &amp; Siegler, 2000; Siegler et al., 1991, 1994). Viver num ambiente rico em  experi&ecirc;ncias e contactos ou ter um estilo de vida ativo foi encontrado como associado a um risco reduzido de Dem&ecirc;ncia (Fratiglioni,  Paillard-Borg, &amp; Winblad, 2004). Um n&iacute;vel de Neuroticismo baixo em combina&ccedil;&atilde;o com um n&iacute;vel de Extrovers&atilde;o  elevado surge relacionado com um menor risco de Dem&ecirc;ncia (Wang et al., 2009). Neste sentido, outros estudos associam uma baixa  Extrovers&atilde;o e uma atividade e apoio social escassos, com um risco aumentado para a DA (Seiffer, Clare, &amp; Harvey, 2005; Von Dras &amp;  Siegler, 1997; Wilson et al., 2007; Wang et al., 2009). No entanto, a Extrovers&atilde;o n&atilde;o se evidencia como preditor independente do  risco de DA ao n&iacute;vel de an&aacute;lises multivariadas, talvez devido &agrave;s suas rela&ccedil;&otilde;es com o Neuroticismo ou  Conscienciosidade. Uma maior Abertura &agrave; Experi&ecirc;ncia surge ligada com a atividade cognitiva e proactividade e o contr&aacute;rio  surge associado com um risco aumentado para a DA, mesmo depois de ser tido em conta o n&iacute;vel educacional (Duberstein et al., 2011). O  tra&ccedil;o de personalidade Conscienciosidade tem sido relacionado com a morbilidade e a mortalidade na idade avan&ccedil;ada e tem um papel na  longevidade (Terracciano, L&ouml;ckenhoff, Zonderman, Ferrucci, &amp; Costa, 2008; Terracciano et al., 2014; Wilson et al, 2007). N&iacute;veis  elevados de Conscienciosidade surgem associados com uma redu&ccedil;&atilde;o do risco em 89%, de desenvolver DA em compara&ccedil;&atilde;o com  uma pontua&ccedil;&atilde;o baixa na Conscienciosidade, na evid&ecirc;ncia de um estudo longitudinal de uma <i>coorte</i>  cl&iacute;nico-patol&oacute;gica, num <i>follow-up</i> ao longo de doze anos (Wilson et al., 2007). No entanto, naqueles submetidos a  aut&oacute;psia cerebral, a Conscienciosidade n&atilde;o se mostrou relacionada com as medidas neuropatol&oacute;gicas. Salienta-se que mais  investiga&ccedil;&otilde;es s&atilde;o necess&aacute;rias, com uma avalia&ccedil;&atilde;o transversal, prospetiva e longitudinal das  fun&ccedil;&otilde;es da personalidade, <i>follow-up</i> e estudos de aut&oacute;psia (Wilson et al., 2007).</p>     <p>Alguns dos poucos trabalhos que pesquisam a estabilidade da personalidade, ao longo da progress&atilde;o da Dem&ecirc;ncia, identificam  tra&ccedil;os que parecem relativamente est&aacute;veis (Abertura &agrave; Experi&ecirc;ncia e Amabilidade) e outros que s&atilde;o mais  propensos a mudar com a progress&atilde;o da Dem&ecirc;ncia (Neuroticismo, Extrovers&atilde;o, Conscienciosidade) (e.g., Chatterjee et al.,  1992). No entanto, apesar da ocorr&ecirc;ncia de altera&ccedil;&otilde;es nos tra&ccedil;os de personalidade na Dem&ecirc;ncia, a ordem de  classifica&ccedil;&atilde;o dos resultados m&eacute;dios das dimens&otilde;es b&aacute;sicas da personalidade tende a permanecer relativamente  est&aacute;vel (e.g., Chatterjee et al., 1992). Outros estudos sugerem que a Conscienciosidade e o Neuroticismo s&atilde;o as dimens&otilde;es  da personalidade que apresentam as maiores altera&ccedil;&otilde;es (Wahlin &amp; Byrne, 2011) e podem mesmo preceder o decl&iacute;nio cognitivo  na DA (Duchek et al., 2007). Apesar dos dados n&atilde;o terem uma configura&ccedil;&atilde;o clara e &uacute;nica em termos de conte&uacute;do,  a elevada incid&ecirc;ncia de altera&ccedil;&otilde;es da personalidade descritas na DA, mesmo antes do surgimento dos d&eacute;fices cognitivos,  torna as altera&ccedil;&otilde;es da personalidade num potencial marcador precoce destas situa&ccedil;&otilde;es (Strauss, Pasupathi, &amp;  Chatterjee, 1993).</p>     <p>No estudo de meta-an&aacute;lise de Wahlin e Byrne (2011), foram selecionados estudos que mapearam altera&ccedil;&otilde;es da personalidade  ao n&iacute;vel dos tra&ccedil;os. A an&aacute;lise dos estudos revistos identificou altera&ccedil;&otilde;es sistem&aacute;ticas entre  resultados T dos tra&ccedil;os de personalidade pr&eacute;-m&oacute;rbidos e os atuais indicando: um maior Neuroticismo entre 1 ou 2  desvio-padr&atilde;o; uma diminui&ccedil;&atilde;o da mesma magnitude relativa &agrave; Extrovers&atilde;o; um decr&eacute;scimo consistente em  Abertura &agrave; Experi&ecirc;ncia e Amabilidade, com altera&ccedil;&otilde;es modestas abaixo de 1 desvio-padr&atilde;o; e uma acentuada  diminui&ccedil;&atilde;o na Conscienciosidade entre 2 ou 3 desvio-padr&atilde;o. Estas altera&ccedil;&otilde;es foram sistem&aacute;ticas e  consistentes. Particularmente relevante foi a semelhan&ccedil;a na magnitude e sentido das altera&ccedil;&otilde;es em todos os estudos revistos,  padr&atilde;o consistente com altera&ccedil;&otilde;es estereot&iacute;picas de personalidade. Este padr&atilde;o estereot&iacute;pico &eacute;  sugerido tendo em conta a consider&aacute;vel variabilidade entre doentes, relativamente &agrave;s diferen&ccedil;as pr&eacute;-m&oacute;rbidas e  atuais e, pelo facto, de os desvio-padr&atilde;o n&atilde;o revelarem diminui&ccedil;&atilde;o relativamente aos &iacute;ndices atuais. Os  resultados encontram-se em concord&acirc;ncia com estudos anteriores que mostram n&atilde;o haver redu&ccedil;&atilde;o na variabilidade de  tra&ccedil;os de personalidade, o que sugere que os indiv&iacute;duos com Dem&ecirc;ncia n&atilde;o convergem numa personalidade unificada  (Wahlin &amp; Byrne, 2011; Welleford et al., 1995). A Conscienciosidade e o Neuroticismo apresentam-se como os tra&ccedil;os de personalidade  onde se verificam as mais consistentes e maiores altera&ccedil;&otilde;es na Dem&ecirc;ncia (Wahlin &amp; Byrne, 2011). Estes tra&ccedil;os de  personalidade foram tamb&eacute;m considerados como os mais capazes de diferenciar entre sujeitos de controlo saud&aacute;veis e  indiv&iacute;duos com d&eacute;fice cognitivo ligeiro ou em fases iniciais de <i>Alzheimer</i>, do que fatores cognitivos baseados em testes  neuropsicol&oacute;gicos (Duberstein et al., 2011; Duchek et al., 2007; Wilson et al., 2003). Estes tra&ccedil;os podem revelar-se &uacute;teis  marcadores precoces de Dem&ecirc;ncia (Wahlin &amp; Byrne, 2011).</p>     <p>Low et al. (2013) documentam que os dados epidemiol&oacute;gicos do ciclo de vida sugerem que a personalidade pode ter influ&ecirc;ncia no  risco de Dem&ecirc;ncia e no preju&iacute;zo cognitivo. Estes autores equacionam uma revis&atilde;o sobre alguns estudos com controlo e  prospetivos sobre a associa&ccedil;&atilde;o entre personalidade e o risco para estas perturba&ccedil;&otilde;es cognitivas. Concluem que o  Neuroticismo aumenta o risco de Dem&ecirc;ncia e a Conscienciosidade reduz o risco. O efeito protetor da Abertura &agrave; Experi&ecirc;ncia  apresenta-se tentador. A Extrovers&atilde;o e Amabilidade n&atilde;o foram associadas com a Dem&ecirc;ncia. Sugerem que a avalia&ccedil;&atilde;o  da personalidade deve ser incorporada em modelos conceptuais de risco de Dem&ecirc;ncia e que os m&eacute;dicos e profissionais de sa&uacute;de  p&uacute;blica devem considerar a personalidade ao planear estrat&eacute;gias de redu&ccedil;&atilde;o de risco a esta doen&ccedil;a (Low et al.,  2013).</p>     <p>O recente estudo de Terracciano et al. (2014) estende a investiga&ccedil;&atilde;o sobre os tra&ccedil;os de personalidade e o risco de DA em  duas vias. Em primeiro lugar, examinam esta associa&ccedil;&atilde;o num dos mais longos e exaustivos estudos longitudinais (ao longo de vinte e  dois anos; <i>n</i>=1671) realizados at&eacute; ao momento, usando a avalia&ccedil;&atilde;o das cinco dimens&otilde;es da personalidade (FFM).  Em segundo lugar, agrupam os resultados desse estudo aos resultados de estudos publicados (FFM) e realizam uma investiga&ccedil;&atilde;o de  meta-an&aacute;lise (<i>n</i>=5054 participantes) com o objetivo de sumariar a evid&ecirc;ncia da associa&ccedil;&atilde;o entre tra&ccedil;os de  personalidade e a suscetibilidade para a DA. Salienta-se que indiv&iacute;duos com pontua&ccedil;&otilde;es no quartil superior de Neuroticismo  ou no quartil mais baixo de Conscienciosidade apresentam um risco tr&ecirc;s vezes maior de incid&ecirc;ncia de DA. Entre os componentes desses  tra&ccedil;os, a autodisciplina e a depress&atilde;o t&ecirc;m as associa&ccedil;&otilde;es mais fortes com a emerg&ecirc;ncia de DA.  Evidencia-se, por seu turno, que a meta-an&aacute;lise confirma as associa&ccedil;&otilde;es das dimens&otilde;es Neuroticismo e  Conscienciosidade, juntamente com efeitos mais fracos para as dimens&otilde;es Abertura &agrave; Experi&ecirc;ncia e Amabilidade. Na atualidade,  este estudo e a meta-an&aacute;lise em quest&atilde;o v&ecirc;m refor&ccedil;ar dados de literatura que se v&atilde;o acumulando, no sentido de  que determinados tra&ccedil;os de personalidade est&atilde;o associados com o risco aumentado de DA, com efeito de medida semelhante aos fatores  de risco cl&iacute;nicos e de estilo de vida bem estabelecidos (Terracciano et al., 2014).</p>     ]]></body>
<body><![CDATA[<p>De seguida, examina-se a natureza e extens&atilde;o das altera&ccedil;&otilde;es da personalidade em indiv&iacute;duos com DA. Na  <a href="#t1">Tabela 1</a> s&atilde;o identificados os oito estudos transversais, realizados at&eacute; ao momento, que caracterizam e comparam  os tra&ccedil;os de personalidade pr&eacute;-m&oacute;rbidos com os tra&ccedil;os de personalidade na DA, apresentando-se uma resenha das  principais caracter&iacute;sticas. Em todos eles o objetivo comum &eacute; a compreens&atilde;o das altera&ccedil;&otilde;es da personalidade na  Dem&ecirc;ncia (de <i>Alzheimer</i>), com uma medida pr&eacute;-m&oacute;rbida e atual, utilizando-se o NEO-PI (ou NEO-FFI) e  informa&ccedil;&atilde;o retrospetiva (e/ou atual) de Informantes, numa abordagem basaeada no Modelo dos Cinco Fatores da Personalidade.</p>     <p>&nbsp;</p>     <p><a name="t1"></a></p>     <p><img src="/img/revistas/aps/v37n4/37n4a01t1.jpg" width="576" height="854"></p>     
<p>&nbsp;</p>     <p>&nbsp;</p>     <p><i>Diagn&oacute;stico precoce, estudos longitudinais e post-mortem: A import&acirc;ncia da avalia&ccedil;&atilde;o atempada da personalidade  na dem&ecirc;ncia</i></p>     <p>Registam-se altera&ccedil;&otilde;es espec&iacute;ficas nos perfis de personalidade ou altera&ccedil;&otilde;es da personalidade como sintomas  pr&eacute;-cl&iacute;nicos de DA (Balsis et al., 2005) que refletem provavelmente o impacto de uma les&atilde;o cerebral progressiva (Pocnet et  al., 2013).</p>     <p>Observaram-se mudan&ccedil;as substanciais da personalidade associadas com o in&iacute;cio de Dem&ecirc;ncia e estes resultados adicionam  valida&ccedil;&atilde;o a pesquisas pr&eacute;vias, como anteriormente analis&aacute;mos, que documentam altera&ccedil;&otilde;es da  personalidade na Dem&ecirc;ncia, obtidas atrav&eacute;s de informa&ccedil;&otilde;es retrospetivas de Informantes (Chatterjee et al., 1992;  Pocnet et al., 2011; Sielger et al., 1994; Smith-Gamble et al., 2002; Strauss &amp; Pasupathi, 1994). Balsis et al. (2005) argumentam que as  altera&ccedil;&otilde;es da personalidade dever&atilde;o, factualmente, <i>preceder</i> as altera&ccedil;&otilde;es cognitivas que formam a base  diagn&oacute;stica da DA e, consequentemente, as altera&ccedil;&otilde;es da personalidade dever&atilde;o ser consideradas, potencialmente, como  um outro marcador precoce do in&iacute;cio da doen&ccedil;a, o que poder&aacute; facilitar um tratamento atempado. Sugerem a necessidade de  explora&ccedil;&atilde;o sistem&aacute;tica com outros instrumentos de avalia&ccedil;&atilde;o.</p>     <p>Neste mesmo sentido, ressalta-se o estudo de Duchek et al. (2007) onde estabelecem o valor diagn&oacute;stico da personalidade enquanto  discriminador entre envelhecimento saud&aacute;vel (sem patologia demencial) e a fase inicial da DA. Os tra&ccedil;os de personalidade  apresentam-se assim como importantes indicadores n&atilde;o cognitivos de est&aacute;dios iniciais de DA, afirmando-se a import&acirc;ncia e  validade da sua avalia&ccedil;&atilde;o em diagn&oacute;sticos precoces da doen&ccedil;a: as altera&ccedil;&otilde;es dos tra&ccedil;os de  personalidade enquanto marcadores precoces da DA, anteriores mesmo &agrave;s altera&ccedil;&otilde;es cognitivas. O estudo suporta, igualmente,  a import&acirc;ncia dos relatos dos Informantes no diagn&oacute;stico precoce. Concluem tamb&eacute;m que a avalia&ccedil;&atilde;o da  personalidade dever&aacute; ser inclu&iacute;da no diagn&oacute;stico inicial. Salientam a necessidade de, no futuro, existirem estudos  prospetivos, longitudinais, para compreens&atilde;o das altera&ccedil;&otilde;es da personalidade no in&iacute;cio da DA e na progress&atilde;o  da doen&ccedil;a, e se as altera&ccedil;&otilde;es s&atilde;o devidas &agrave; doen&ccedil;a ou se existem tra&ccedil;os de personalidade que  predisp&otilde;em os indiv&iacute;duos &agrave; DA, pois a psicopatologia na DA pode ser vista como pr&eacute;-m&oacute;rbida ou como efeito  secund&aacute;rio &agrave; doen&ccedil;a (Duchek et al., 2007).</p>     ]]></body>
<body><![CDATA[<p>Por seu turno, Duberstein et al. (2011) tiveram por objetivo determinar a rela&ccedil;&atilde;o entre tra&ccedil;os de personalidade de longa  data e o risco para a DA, entre 767 participantes com setenta e dois anos de idade ou mais, seguidos durante cerca de seis anos. A  hip&oacute;tese estabelecida foi a de que os tra&ccedil;os de personalidade, Neuroticismo elevado, menor Abertura &agrave; Experi&ecirc;ncia e  menor Conscienciosidade estariam associados, independentemente, com o risco de DA, o que foi confirmado. A constata&ccedil;&atilde;o de que o  risco de DA est&aacute; associado com um elevado Neuroticismo e baixa Conscienciosidade pode ser adicionada &agrave; literatura que documenta os  efeitos patog&eacute;nicos destas duas caracter&iacute;sticas da personalidade. A liga&ccedil;&atilde;o entre baixa Abertura &agrave;  Experi&ecirc;ncia e o risco de DA &eacute; consistente com recentes descobertas sobre a atividade cognitiva e risco desta doen&ccedil;a. Os  resultados t&ecirc;m implica&ccedil;&otilde;es para a pesquisa de preven&ccedil;&atilde;o e para a conceptualiza&ccedil;&atilde;o da etiologia da  DA (Duberstein et al., 2011).</p>     <p>Jackson, Balota e Head (2011) estudaram algumas evid&ecirc;ncias da rela&ccedil;&atilde;o entre personalidade e os efeitos da idade sobre as  estruturas cerebrais, sugerindo a possibilidade da personalidade modular os efeitos da idade nestas estruturas. Especificamente, os tra&ccedil;os  de personalidade Neuroticismo, Conscienciosidade e Extrovers&atilde;o &ndash; tidos em an&aacute;lise por serem os indicadores relevantes de  altera&ccedil;&otilde;es da personalidade na DA &ndash; podem ter &ldquo;organicamente&rdquo; import&acirc;ncia f&iacute;sica em termos do  envelhecimento cerebral. Por exemplo, experi&ecirc;ncias sugerem uma rela&ccedil;&atilde;o entre elevado Neuroticismo e redu&ccedil;&otilde;es  volum&eacute;tricas relacionadas com a idade em regi&otilde;es corticais e subcorticais de interesse no <i>stress</i>. No estudo de Jackson et  al. (2011), o elevado Neuroticismo foi associado com volumes cerebrais, espec&iacute;ficos, menores e com aumentos nestas redu&ccedil;&otilde;es  com o avan&ccedil;ar da idade. A Conscienciosidade elevada surgiu relacionada com volumes cerebrais, espec&iacute;ficos, maiores e com menor  decl&iacute;nio com o aumento da idade. Estes resultados sugerem que a personalidade n&atilde;o s&oacute; pode relacionar-se como tamb&eacute;m  pode ter um efeito moderador sobre o decl&iacute;nio relacionado com a idade, no volume cerebral na regi&atilde;o pr&eacute;-frontal e  regi&otilde;es temporais. Segundo estes autores, a associa&ccedil;&atilde;o entre personalidade e DA pode refletir uma intera&ccedil;&atilde;o de  efeitos de personalidade e processos normais, relacionados com a idade/envelhecimento, em vez de um efeito espec&iacute;fico das doen&ccedil;as  neurodegenerativas.</p>     <p>Estudos longitudinais e prospetivos indicam que os adultos mais velhos, cognitivamente saud&aacute;veis, com Conscienciosidade elevada ou  Neuroticismo baixo, t&ecirc;m um menor risco de desenvolver sintomas cl&iacute;nicos de DA (Duberstein et al., 2011; Terracciano et al., 2008,  2011, 2013; Wilson et al., 2003, 2004, 2005, 2007). Alguns estudos indicam que indiv&iacute;duos com essa conjuga&ccedil;&atilde;o de  tra&ccedil;os se envolvem em menos comportamentos de risco &agrave; sa&uacute;de, mais propensos a fazer exerc&iacute;cio f&iacute;sico e menos  propensos &agrave; obesidade ou a h&aacute;bitos tab&aacute;gicos, apresentam igualmente fun&ccedil;&otilde;es saud&aacute;veis ao n&iacute;vel  do metabolismo, sistema cardiovascular e ainda perfis saud&aacute;veis relativamente ao risco inflamat&oacute;rio, envolvendo-se em  comportamentos e estilos de vida associados com um risco reduzido de Dem&ecirc;ncia (Barnes &amp; Yaffe, 2011; Fratiglioni et al., 2004;  Terracciano et al., 2008, 2013, 2014; Wilson et al., 2004). Igualmente, os mecanismos fisiol&oacute;gicos, em termos de via direta, s&atilde;o  outros dos mecanismos poss&iacute;veis, como seja, um baixo Neuroticismo surge associado com n&iacute;veis mais elevados de um soro cerebral  derivado de neurotr&oacute;ficos (Terracciano et al., 2011), uma prote&iacute;na chave na neurog&eacute;nese sin&aacute;ptica, que parece  desempenhar um papel importante nas doen&ccedil;as neurodegenerativas (Nagahara et al., 2009). Existe documenta&ccedil;&atilde;o de que elevado  Neuroticismo e baixa Conscienciosidade se encontram relacionados com marcadores inflamat&oacute;rios e o sistema imunit&aacute;rio (Sutin et al.,  2010, 2012). Outra possibilidade &eacute; uma suscetibilidade gen&eacute;tica partilhada (Terracciano et al., 2014).</p>     <p>At&eacute; recentemente, essas caracter&iacute;sticas da personalidade foram pouco estudadas e relacionadas com dados neuropatol&oacute;gicos;  destaca-se assim o estudo prospetivo, ao longo de trinta anos, e de aut&oacute;psia, de Terracciano et al. (2013), sobre a personalidade e a  resili&ecirc;ncia &agrave; neuropatologia da DA. A neuropatologia da DA &eacute; encontrada nas aut&oacute;psias, em aproximadamente 30% de  idosos cognitivamente normais. Os indiv&iacute;duos com resultados na <i>baseline</i> mais altos para a vulnerabilidade ao <i>stress</i>,  ansiedade e depress&atilde;o (Neuroticismo) ou resultados mais baixos em ordem e compet&ecirc;ncia (Conscienciosidade) demonstram-se menos  propensos a permanecer assintom&aacute;ticos na presen&ccedil;a da neuropatologia de DA. Neuroticismo (elevado) e baixa Amabilidade tamb&eacute;m  se associam significativamente com os est&aacute;gios avan&ccedil;ados de emaranhados neurofibrilares. Um perfil de personalidade resiliente  &eacute; associado com menor risco ou avan&ccedil;o de Dem&ecirc;ncia cl&iacute;nica, mesmo em pessoas com neuropatologia condizente com DA; de  alguma forma, os tra&ccedil;os de personalidade podem compensar os efeitos da DA neuropatologicamente instalada (Terracciano et al., 2013).</p>     <p>&nbsp;</p>     <p><b>Conclus&otilde;es</b></p>     <p>As caracter&iacute;sticas de personalidade parecem ser codeterminantes na express&atilde;o cl&iacute;nica da DA. Sugere-se que uma melhor  compreens&atilde;o destas caracter&iacute;sticas seja pass&iacute;vel de influenciar a atitude relativa &agrave; compreens&atilde;o e ao  tratamento da Dem&ecirc;ncia.</p>     <p>As avalia&ccedil;&otilde;es da personalidade que remetem para as altera&ccedil;&otilde;es da personalidade na DA, identificam um dado  transversal e geralmente un&acirc;nime na literatura, a evid&ecirc;ncia de um aumento na dimens&atilde;o Neuroticismo e um decr&eacute;scimo na  dimens&atilde;o Conscienciosidade (e.g., D&rsquo;Iorio et al., 2018; Pocnet et al., 2011). As compara&ccedil;&otilde;es entre grupos e a  avalia&ccedil;&atilde;o retrospetiva da personalidade s&atilde;o convergentes. Altera&ccedil;&otilde;es da personalidade significativas seguem um  padr&atilde;o espec&iacute;fico na DA e contrastam com a estabilidade e linearidade geralmente observada nos grupos controlo, quanto ao seu  perfil de personalidade, evidenciado ao longo da vida (e.g., D&rsquo;Iorio et al., 2018; Pocnet et al., 2011). Na generalidade, na DA as  dimens&otilde;es comportam-se como estereotipias da personalidade, ou seja, mant&ecirc;m congru&ecirc;ncia desenvolvimental em termos do sentido  do tra&ccedil;o (e.g., Henriques-Calado et al., 2016).</p>     <p>A relativa escassez de investiga&ccedil;&otilde;es, nesta &aacute;rea, parece ser o reflexo de dificuldades metodol&oacute;gicas na  avalia&ccedil;&atilde;o da personalidade na Dem&ecirc;ncia (Osborne et al., 2010; von Gunten et al., 2009; Wahlin &amp; Byrne, 2011).</p>     <p>Sugere-se a necessidade de explora&ccedil;&atilde;o sistem&aacute;tica, para que seja introduzida uma avalia&ccedil;&atilde;o da  personalidade, empiricamente baseada, na avalia&ccedil;&atilde;o de diagn&oacute;stico de Dem&ecirc;ncia de <i>Alzheimer</i>, de forma a aumentar  a sensibilidade do diagn&oacute;stico precoce e com utilidade pr&aacute;tica ao n&iacute;vel do diagn&oacute;stico cl&iacute;nico atual.</p>     ]]></body>
<body><![CDATA[<p>Ser&aacute; concretiz&aacute;vel o estabelecimento acurado de um protocolo pr&eacute;-cl&iacute;nico e diagn&oacute;stico de Dem&ecirc;ncia de  <i>Alzheimer</i>, estruturado nos trabalhos da neuroci&ecirc;ncia e baseado tamb&eacute;m em <i>psicomarcadores</i>?</p>     <p>&nbsp;</p>     <p><b>Refer&ecirc;ncias</b></p>     <p>Alzheimer&rsquo;s Association. (2013). Alzheimer&rsquo;s disease facts and figures. <i>Alzheimer&rsquo;s &amp; Dementia, 9</i>(2), 1-71.</p>     <p>Archer, N., Brown, R. G., Boothby, H., Foy, C., Nicholas, H., &amp; Lovestone, S. (2006). The NEO-FFI is a reliable measure of premorbid  personality in patients with probable Alzheimer&rsquo;s disease. <i>International Journal of Geriatric Psychiatry, 21</i>, 477-484. Retrieved  from <a href="https://doi.org/10.1002/gps.1499" target="_blank">https://doi.org/10.1002/gps.1499</a></p>     <p>Archer, N., Brown, R. G., Reeves, S. J., Nicholas, H., Boothby, H., Foy, C., &amp; Lovestone, S. (2009). Midlife neuroticism and the age of  onset of Alzheimer&rsquo;s disease. <i>Psychological Medicine, 39</i>, 665-673. Retrieved from  <a href="https://doi.org/10.1017/S003329170800408X" target="_blank">https://doi.org/10.1017/S003329170800408X</a></p>     <!-- ref --><p>Baker, K. B., &amp; Kim, J. J. (2002). Effects of stress and hippocampal NMDA receptor antagonism on recognition memory in rats. <i>Learning  &amp; Memory, 9</i>, 58-65.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=052322&pid=S0870-8231201900040000100004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>Balsis, S., Carpenter, B. D., &amp; Storandt, M. (2005). Personality change precedes clinical diagnosis of dementia of the Alzheimer type.  <i>Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 60</i>, 98-101. Retrieved from  <a href="https://doi.org/10.1093/geronb/60.2.P98" target="_blank">https://doi.org/10.1093/geronb/60.2.P98</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=052324&pid=S0870-8231201900040000100005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p>Barnes, D. E., &amp; Yaffe, K. (2011). The projected effect of risk factor reduction on Alzheimer&rsquo;s disease prevalence. <i>Lancet  Neurology, 10</i>, 819-828. Retrieved from <a href="https://doi.org/10.1016/S1474-4422(11)70072-2"  target="_blank">https://doi.org/10.1016/S1474-4422(11)70072-2</a></p>     ]]></body>
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Retrieved from <a href="https://doi.org/10.1111/j.1547-5069.1996.tb00380.x"  target="_blank">https://doi.org/10.1111/j.1547-5069.1996.tb00380.x</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=052342&pid=S0870-8231201900040000100022&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>Low, L. F., Harrison, F., &amp; Lackersteen, S. M. (2013). Does personality affect risk for dementia?: A systematic review and meta-analysis.  <i>The American Journal of Geriatric Psychiatry, 21</i>, 713-728. 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Premorbid proneness  to distress and episodic memory impairment in Alzheimer&rsquo;s disease. <i>Journal of Neurology, Neurosurgery, and Psychiatry, 75</i>, 191-195.  Retrieved from <a href="https://doi.org/10.1136/jnnp.2003.015040" target="_blank">https://doi.org/10.1136/jnnp.2003.015040</a></p>     <!-- ref --><p>Wilson, R. S., Schneider, J. A., Arnold, S. E., Bienias, J. L., &amp; Bennett, D. A. (2007). Conscientiousness and the incidence of Alzheimer  disease and mild cognitive impairment. <i>Archives of General Psychiatry, 64</i>, 1204-1212. Retrieved from  <a href="http://dx.doi.org/10.1001/archpsyc.64.10.1204" target="_blank">http://dx.doi.org/10.1001/archpsyc.64.10.1204</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=052381&pid=S0870-8231201900040000100059&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p>&nbsp;</p>     <p><b><a name="c0" id="c0"></a><a href="#topc0">CORRESPONDÊNCIA</a></b></p>     <p>A correspond&ecirc;ncia relativa a este artigo dever&aacute; ser enviada para: Joana Henriques-Calado, CICPSI &ndash; Research Center for  Psychological Science, Universidade de Lisboa, Faculdade de Psicologia, Alameda da Universidade, 1649-013 Lisboa, Portugal. E-mail:  <a href="mailto:jhcalado@psicologia.ulisboa.pt">jhcalado@psicologia.ulisboa.pt</a></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p>Esta investiga&ccedil;&atilde;o &eacute; suportada pela Bolsa Individual de Doutoramento da Funda&ccedil;&atilde;o para a Ci&ecirc;ncia e a  Tecnologia &ndash; FCT (SFRH/BD/44515/2008).</p>     <p>&nbsp;</p>     <p>Submiss&atilde;o: 31/08/2017 Aceita&ccedil;&atilde;o: 07/12/2018</p>      ]]></body><back>
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<article-title xml:lang="en"><![CDATA[Conscientiousness and the incidence of Alzheimer disease and mild cognitive impairment]]></article-title>
<source><![CDATA[Archives of General Psychiatry]]></source>
<year>2007</year>
<volume>64</volume>
<page-range>1204-1212</page-range></nlm-citation>
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</back>
</article>
