Four- and Six-Month-Old Infants' Visual Responses to Joy, Anger, and Neutral Expressions
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TL;DR
The data indicated that infants looked at the joy expression significantly more than at either the anger or neutral expressions, suggesting that infants are capable of discriminating emotion expressions earlier in their development than previous studies have implied.
Abstract
24 infants, 12 4-month-olds and 12 6-month-olds, were repeatedly shown slides of 3 facial expressions. The expressions were previously judged by obervers to be indicators of joy, anger, and no emotion, respectively. The duration of the first visual fixation to each presentation of the slides was monitored for each subject. The data indicated that the infants looked at the joy expression significantly more than at either the anger or neutral expressions. The results suggest that infants are capable of discriminating emotion expressions earlier in their development than previous studies have implied.