Document Detail


The effect of gaze direction on three-dimensional face recognition in infant brain activity.
MedLine Citation:
PMID:  22825004     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In three-dimensional face recognition studies, it is well known that viewing rotating faces enhance face recognition. For infants, our previous study indicated that 8-month-old infants showed recognition of three-dimensional rotating faces with a direct gaze, and they did not learn with an averted gaze. This suggests that gaze direction may affect three-dimensional face recognition in infants. In this experiment, we used near-infrared spectroscopy to measure infants' hemodynamic responses to averted gaze and direct gaze. We hypothesized that infants would show different neural activity for averted and direct gazes. The responses were compared with the baseline activation during the presentation of non-face objects. We found that the concentration of oxyhemoglobin increased in the temporal cortex on both sides only during the presentation of averted gaze compared with that of the baseline period. This is the first study to show that infants' brain activity in three-dimensional face processing is different between averted gaze and direct gaze.
Authors:
Wakayo Yamashita; So Kanazawa; Masami K Yamaguchi; Ryusuke Kakigi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-19
Journal Detail:
Title:  Neuroreport     Volume:  -     ISSN:  1473-558X     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9100935     Medline TA:  Neuroreport     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
aResearch and Development Initiative bDepartment of Psychology, Chuo University, Tokyo cDepartment of Psychology, Japan Women's University, Kanagawa dDepartment of Integrative Physiology, National Institute for Physical Sciences, Aichi, Japan.
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