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| Emotional Development | 2 |
| Infants | 2 |
| Affective Behavior | 1 |
| Age Differences | 1 |
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| Coding | 1 |
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| Developmental Psychology | 2 |
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Peer reviewedAlessandri, Steven M.; And Others – Developmental Psychology, 1993
Examined the instrumental responses and facial expressions during learning and extinction in a group of 36 cocaine-exposed infants ages 4 to 8 months and an equal number of control subjects. Findings indicated that cocaine-exposed infants expressed less interest and joy during learning and less anger and sadness during extinction than infants who…
Descriptors: Cocaine, Cognitive Development, Drug Abuse, Emotional Development
Peer reviewedLewis, Michael; And Others – Developmental Psychology, 1990
Examined facial expressions in relation to cognition in infants 2 to 8 months of age. A total of 48 subjects received an audiovisual stimulus contingent on arm movement, whereas 32 infants did not control the stimulus. Infants in the contingent group expressed greater interest and joy during learning and greater anger during extinction. (RH)
Descriptors: Affective Behavior, Age Differences, Anger, Coding
