Document Detail

Infant responses to maternal still-face at 4 and 9 months.
MedLine Citation:
PMID:  18774176     Owner:  NLM     Status:  MEDLINE    
This study investigated developmental changes in infant responses to maternal still-face (SF) situations. Infants (21 males and 25 females) of Japanese mothers were observed in a face-to-face SF paradigm, comprising four phases (normal/SF/normal/SF), at two infant ages (4 and 9 months). The infants' facial expression, gaze direction, and vocalization were coded in both SF and normal interaction conditions. The results indicated that infants at both ages showed a decrease in displaying positive facial expression and gazing at their mothers during SF conditions. The 4-month-old displayed emotional expression and directed their gaze toward their mothers more frequently than the 9-month-old. However, the 9-month-old vocalized more often in SF situations, attempting to elicit responses from their mothers. The "carry-over" effect was observed only in 9-month-old. The results were discussed in the context of developmental changes in infants' social skills to cope with an emotionally stressful situation.
Yuko Yato; Masatoshi Kawai; Koichi Negayama; Shunya Sogon; Kiyotaka Tomiwa; Hatsumi Yamamoto
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-09-05
Journal Detail:
Title:  Infant behavior & development     Volume:  31     ISSN:  1934-8800     ISO Abbreviation:  Infant Behav Dev     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2008-12-10     Completed Date:  2009-08-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7806016     Medline TA:  Infant Behav Dev     Country:  United States    
Other Details:
Languages:  eng     Pagination:  570-7     Citation Subset:  IM    
Ritsumeikan University, 56-1 Tojiin, Kitamach Kita-ku, Kyoto 603-8577, Japan.
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MeSH Terms
Age Factors
Facial Expression*
Infant Behavior / physiology*,  psychology
Longitudinal Studies
Maternal Behavior / physiology*,  psychology
Mother-Child Relations*
Reaction Time / physiology*
Verbal Behavior / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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