期刊
CHILD DEVELOPMENT
卷 78, 期 1, 页码 232-245出版社
WILEY
DOI: 10.1111/j.1467-8624.2007.00994.x
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资金
- NIMH NIH HHS [R01 MH078829-11, R01 MH078829] Funding Source: Medline
- NINDS NIH HHS [NS32976, R01 NS032976] Funding Source: Medline
- NATIONAL INSTITUTE OF MENTAL HEALTH [R01MH078829] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE [R01NS032976] Funding Source: NIH RePORTER
To examine the ontogeny of emotional face processing, event-related potentials (ERPs) were recorded from adults and 7-month-old infants while viewing pictures of fearful, happy, and neutral faces. Face-sensitive ERPs at occipital-temporal scalp regions differentiated between fearful and neutral/happy faces in both adults (N170 was larger for fear) and infants (P400 was larger for fear). Behavioral measures showed no overt attentional bias toward fearful faces in adults, but in infants, the duration of the first fixation was longer for fearful than happy faces. Together, these results suggest that the neural systems underlying the differential processing of fearful and happy/neutral faces are functional early in life, and that affective factors may play an important role in modulating infants' face processing.
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