<?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>2184-1004</journal-id>
<journal-title><![CDATA[PsychTech & Health Journal]]></journal-title>
<abbrev-journal-title><![CDATA[PsychTech]]></abbrev-journal-title>
<issn>2184-1004</issn>
<publisher>
<publisher-name><![CDATA[PsychTech & Health Journal]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2184-10042025000200032</article-id>
<article-id pub-id-type="doi">10.26580/pthj.art84-2026</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Percepção musical e hereditariedade: Análise entre gêmeos do norte de Minas Gerais]]></article-title>
<article-title xml:lang="en"><![CDATA[Musical perception and heredity: Analysis between twins from northern Minas Gerais]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[Dr. Humberto Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lacerda]]></surname>
<given-names><![CDATA[Maria Rafaela Pereira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[Tainá Reis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[Maria Luiza Macedo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[Dr. Guilherme Victor Nippes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Estadual de Montes Claros  ]]></institution>
<addr-line><![CDATA[Montes Claros MG]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Universitário UNIFIPMOC  ]]></institution>
<addr-line><![CDATA[Montes Claros MG]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2025</year>
</pub-date>
<volume>9</volume>
<numero>2</numero>
<fpage>32</fpage>
<lpage>39</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2184-10042025000200032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2184-10042025000200032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2184-10042025000200032&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O componente genético desempenha papel relevante na determinação de diversas características do indivíduo, desde atributos físicos até aspectos comportamentais. Nesse contexto, a genética e a epigenética são fundamentais na formação dos seres humanos. A hereditariedade é amplamente estudada por sua influência em traços comportamentais, como as preferências musicais. Este estudo teve como objetivo analisar a relação entre preferências musicais e hereditariedade, utilizando uma amostra de gêmeos monozigóticos e dizigóticos do Norte de Minas Gerais. Foram avaliadas cinco variáveis de preferência musical em 28 pares de gêmeos monozigóticos e 20 pares de gêmeos dizigóticos. Os resultados indicam um coeficiente Kappa médio de .808 entre os gêmeos monozigóticos e .568 entre os dizigóticos, sugerindo que as preferências musicais são pouco influenciadas por fatores genéticos. Embora a média geral do coeficiente Kappa tenha sido de .741, a análise separada dos grupos revela diferenças marcantes entre os tipos de gêmeos. Adicionalmente, a herdabilidade média calculada foi de 16.74%, classificada como baixa, indicando que os fatores genéticos contribuem de forma limitada para a variação nas preferências musicais. Os fatores ambientais, especialmente o ambiente compartilhado, parecem ter papel predominante nessa característica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The genetic component plays a relevant role in determining various individual characteristics, ranging from physical attributes to behavioral traits. In this context, genetics and epigenetics are fundamental to human development. Heritability is widely studied for its influence on behavioral traits, such as musical preferences. This study aimed to examine the relationship between musical preferences and heritability, using a sample of monozygotic and dizygotic twins from Northern Minas Gerais, Brazil. Five musical preference variables were assessed in 28 pairs of monozygotic twins and 20 pairs of dizygotic twins. The results showed an average Kappa coefficient of .808 among monozygotic twins and .568 among dizygotic twins, suggesting that musical preferences are only moderately influenced by genetic factors. Although the overall average Kappa coefficient was .741, separate group analyses revealed notable differences between twin types. Additionally, the estimated mean heritability was 16.74%, classified as low, indicating that genetic factors play a limited role in explaining the variation in musical preferences. Environmental factors, especially shared environments, appear to have a predominant influence on this trait.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[herdabilidade]]></kwd>
<kwd lng="pt"><![CDATA[preferências musicais]]></kwd>
<kwd lng="pt"><![CDATA[estudo de gêmeos]]></kwd>
<kwd lng="en"><![CDATA[heritability]]></kwd>
<kwd lng="en"><![CDATA[musical preferences]]></kwd>
<kwd lng="en"><![CDATA[twin study]]></kwd>
</kwd-group>
</article-meta>
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