Infant brain responses to social sounds: A longitudinal functional near-infrared spectroscopy study.
Auditory stimuli
Brain development
Infancy
Social perception
fNIRS
Journal
Developmental cognitive neuroscience
ISSN: 1878-9307
Titre abrégé: Dev Cogn Neurosci
Pays: Netherlands
ID NLM: 101541838
Informations de publication
Date de publication:
04 2019
04 2019
Historique:
received:
01
06
2018
revised:
03
02
2019
accepted:
07
03
2019
pubmed:
20
3
2019
medline:
16
11
2019
entrez:
20
3
2019
Statut:
ppublish
Résumé
Infants are responsive to and show a preference for human vocalizations from very early in development. While previous studies have provided a strong foundation of understanding regarding areas of the infant brain that respond preferentially to social vs. non-social sounds, how the infant brain responds to sounds of varying social significance over time, and how this relates to behavior, is less well understood. The current study uniquely examined longitudinal brain responses to social sounds of differing social-communicative value in infants at 3 and 6 months of age using functional near-infrared spectroscopy (fNIRS). At 3 months, infants showed similar patterns of widespread activation in bilateral temporal cortices to communicative and non-communicative human non-speech vocalizations, while by 6 months infants showed more similar, and focal, responses to social sounds that carried increased social value (infant-directed speech and human non-speech communicative sounds). In addition, we found that brain activity at 3 months of age related to later brain activity and receptive language abilities as measured at 6 months. These findings suggest areas of consistency and change in auditory social perception between 3 and 6 months of age.
Identifiants
pubmed: 30889544
pii: S1878-9293(18)30118-X
doi: 10.1016/j.dcn.2019.100638
pmc: PMC7033285
pii:
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
100638Subventions
Organisme : NCATS NIH HHS
ID : UL1 TR001863
Pays : United States
Organisme : NIMH NIH HHS
ID : F32 MH108283
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH078829
Pays : United States
Informations de copyright
Copyright © 2019. Published by Elsevier Ltd.
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