Sounds elicit relative left frontal alpha activity in 2-month-old infants
Identifieur interne : 000106 ( Main/Exploration ); précédent : 000105; suivant : 000107Sounds elicit relative left frontal alpha activity in 2-month-old infants
Auteurs : Xiaoqin Mai [République populaire de Chine] ; Lin Xu [République populaire de Chine] ; Mingyan Li [République populaire de Chine] ; Jie Shao [République populaire de Chine] ; Zhengyan Zhao [République populaire de Chine] ; Connie Lamm [États-Unis] ; Nathan A. Fox [États-Unis] ; Charles A. Nelson [États-Unis] ; Betsy Lozoff [États-Unis]Source :
- International journal of psychophysiology : official journal of the International Organization of Psychophysiology [ 0167-8760 ] ; 2014.
Abstract
As one kind of sounds, human voices are important for language acquisition and human-infant relations. Human voices have positive effects on infants, e.g., soothe infants and evoke an infant's smile. Increased left relative to right frontal alpha activity as assessed by the electroencephalogram (EEG) is considered to reflect approach-related emotions. In the present study, we recorded the EEG in thirty-eight 2-month-old infants during a baseline period and then while they listened to sounds, i.e., human voices. Infants displayed increased relative left frontal alpha activity in response to sounds compared to the baseline condition. These results suggest that sounds can elicit relative left frontal activity in young infants, and that this approach-related emotion presents early in life.
Url:
DOI: 10.1016/j.ijpsycho.2014.09.008
PubMed: 25242501
PubMed Central: 4339870
Affiliations:
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Zhejiang University School of Medicine, Zhejiang, 310003, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Child Health Care, Children's Hospital Zhejiang University School of Medicine, Zhejiang, 310003</wicri:regionArea><wicri:noRegion>310003</wicri:noRegion></affiliation></author><author><name sortKey="Li, Mingyan" sort="Li, Mingyan" uniqKey="Li M" first="Mingyan" last="Li">Mingyan Li</name><affiliation wicri:level="1"><nlm:aff id="A2">Department of Child Health Care, Children's Hospital Zhejiang University School of Medicine, Zhejiang, 310003, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Child Health Care, Children's Hospital Zhejiang University School of Medicine, Zhejiang, 310003</wicri:regionArea><wicri:noRegion>310003</wicri:noRegion></affiliation></author><author><name sortKey="Shao, Jie" sort="Shao, Jie" uniqKey="Shao J" first="Jie" last="Shao">Jie Shao</name><affiliation wicri:level="1"><nlm:aff id="A2">Department of Child Health Care, Children's Hospital Zhejiang University School of Medicine, Zhejiang, 310003, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Child Health Care, Children's Hospital Zhejiang University School of Medicine, Zhejiang, 310003</wicri:regionArea><wicri:noRegion>310003</wicri:noRegion></affiliation></author><author><name sortKey="Zhao, Zhengyan" sort="Zhao, Zhengyan" uniqKey="Zhao Z" first="Zhengyan" last="Zhao">Zhengyan Zhao</name><affiliation wicri:level="1"><nlm:aff id="A2">Department of Child Health Care, Children's Hospital Zhejiang University School of Medicine, Zhejiang, 310003, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Child Health Care, Children's Hospital Zhejiang University School of Medicine, Zhejiang, 310003</wicri:regionArea><wicri:noRegion>310003</wicri:noRegion></affiliation></author><author><name sortKey="Lamm, Connie" sort="Lamm, Connie" uniqKey="Lamm C" first="Connie" last="Lamm">Connie Lamm</name><affiliation wicri:level="1"><nlm:aff id="A3">Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD 20740, USA</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD 20740</wicri:regionArea><wicri:noRegion>MD 20740</wicri:noRegion></affiliation></author><author><name sortKey="Fox, Nathan A" sort="Fox, Nathan A" uniqKey="Fox N" first="Nathan A." last="Fox">Nathan A. Fox</name><affiliation wicri:level="1"><nlm:aff id="A3">Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD 20740, USA</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD 20740</wicri:regionArea><wicri:noRegion>MD 20740</wicri:noRegion></affiliation></author><author><name sortKey="Nelson, Charles A" sort="Nelson, Charles A" uniqKey="Nelson C" first="Charles A." last="Nelson">Charles A. Nelson</name><affiliation wicri:level="1"><nlm:aff id="A4">Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Boston Children's Hospital, Harvard Medical School, Boston, MA 02115</wicri:regionArea><wicri:noRegion>MA 02115</wicri:noRegion></affiliation></author><author><name sortKey="Lozoff, Betsy" sort="Lozoff, Betsy" uniqKey="Lozoff B" first="Betsy" last="Lozoff">Betsy Lozoff</name><affiliation wicri:level="1"><nlm:aff id="A5">Center for Human Growth and Development, University of Michigan, Ann Arbor, MI 48109, USA</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Center for Human Growth and Development, University of Michigan, Ann Arbor, MI 48109</wicri:regionArea><wicri:noRegion>MI 48109</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="A6">Department of Pediatrics and Communicable Diseases, University of Michigan, Ann Arbor, MI 48109, USA</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Pediatrics and Communicable Diseases, University of Michigan, Ann Arbor, MI 48109</wicri:regionArea><wicri:noRegion>MI 48109</wicri:noRegion></affiliation></author></analytic><series><title level="j">International journal of psychophysiology : official journal of the International Organization of Psychophysiology</title><idno type="ISSN">0167-8760</idno><idno type="e-ISSN">1872-7697</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">As one kind of sounds, human voices are important for language acquisition and human-infant relations. Human voices have positive effects on infants, e.g., soothe infants and evoke an infant's smile. Increased left relative to right frontal alpha activity as assessed by the electroencephalogram (EEG) is considered to reflect approach-related emotions. In the present study, we recorded the EEG in thirty-eight 2-month-old infants during a baseline period and then while they listened to sounds, i.e., human voices. Infants displayed increased relative left frontal alpha activity in response to sounds compared to the baseline condition. These results suggest that sounds can elicit relative left frontal activity in young infants, and that this approach-related emotion presents early in life.</p></div></front></TEI><affiliations><list><country><li>République populaire de Chine</li><li>États-Unis</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Mai, Xiaoqin" sort="Mai, Xiaoqin" uniqKey="Mai X" first="Xiaoqin" last="Mai">Xiaoqin Mai</name></noRegion><name sortKey="Li, Mingyan" sort="Li, Mingyan" uniqKey="Li M" first="Mingyan" last="Li">Mingyan Li</name><name sortKey="Shao, Jie" sort="Shao, Jie" uniqKey="Shao J" first="Jie" last="Shao">Jie Shao</name><name sortKey="Xu, Lin" sort="Xu, Lin" uniqKey="Xu L" first="Lin" last="Xu">Lin Xu</name><name sortKey="Zhao, Zhengyan" sort="Zhao, Zhengyan" uniqKey="Zhao Z" first="Zhengyan" last="Zhao">Zhengyan Zhao</name></country><country name="États-Unis"><noRegion><name sortKey="Lamm, Connie" sort="Lamm, Connie" uniqKey="Lamm C" first="Connie" last="Lamm">Connie Lamm</name></noRegion><name sortKey="Fox, Nathan A" sort="Fox, Nathan A" uniqKey="Fox N" first="Nathan A." last="Fox">Nathan A. Fox</name><name sortKey="Lozoff, Betsy" sort="Lozoff, Betsy" uniqKey="Lozoff B" first="Betsy" last="Lozoff">Betsy Lozoff</name><name sortKey="Lozoff, Betsy" sort="Lozoff, Betsy" uniqKey="Lozoff B" first="Betsy" last="Lozoff">Betsy Lozoff</name><name sortKey="Nelson, Charles A" sort="Nelson, Charles A" uniqKey="Nelson C" first="Charles A." last="Nelson">Charles A. Nelson</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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