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ERIC Number: EJ859126
Record Type: Journal
Publication Date: 2009
Pages: 14
Abstractor: As Provided
Reference Count: 49
ISSN: ISSN-1522-7227
What Do Infants See in Faces? ERP Evidence of Different Roles of Eyes and Mouth for Face Perception in 9-Month-Old Infants
Key, Alexandra P. F.; Stone, Wendy; Williams, Susan M.
Infant and Child Development, v18 n2 p149-162 Mar-Apr 2009
The study examined whether face-specific perceptual brain mechanisms in 9-month-old infants are differentially sensitive to changes in individual facial features (eyes versus mouth) and whether sensitivity to such changes is related to infants' social and communicative skills. Infants viewed photographs of a smiling unfamiliar female face. On 30% of the trials, either the eyes or the mouth of that face were replaced by corresponding parts from a different female. Visual event-related potentials were recorded to examine face-sensitive brain responses. Results revealed that increased competence in expressive communication and interpersonal relationships was associated with a more mature response to faces, as reflected in a larger occipito-temporal N290 with shorter latency. Both eye- and mouth changes were detected, though infants derived different information from these features. Eye changes had a greater impact on the face perception mechanisms and were not correlated with social or communication development, whereas mouth changes had a minimal impact on face processing but were associated with levels of language and communication understanding. (Contains 4 figures and 1 table.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A