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Gunnar, Megan R.; And Others – Child Development, 1985
Determines the time course of circulating cortisol following circumcision in 80 healthy newborns and investigates whether changes in behavioral state following circumcision in anyway paralleled the adrenocortical time course. Adrenocortical and behavioral data indicated that subjects were able to cope with circumcision trauma. Cortisol levels…
Descriptors: Behavior Patterns, Comparative Analysis, Coping, Males
Peer reviewed Peer reviewed
Kaitz, Marsha; And Others – Developmental Psychology, 1988
Ability of 26 newborns to imitate facial expressions was examined. When infants observed emotional facial expressions, they did not show imitative matching of the modeled expressions. However, when tongue protrusion was modeled, infants did produce the modeled gesture. (PCB)
Descriptors: Behavior Patterns, Child Development, Facial Expressions, Foreign Countries
Peer reviewed Peer reviewed
Urquhart, Marilyn K. – Topics in Early Childhood Special Education, 1993
Findings of a study of 32 infants attending a neonatal intensive care unit follow-up clinic included mechanically ventilated infants were more irritable than nonventilated infants; infants from lower income families were fussier than infants from higher income families; 5-minute Apgar scores were more predictive of infants' success on a visual…
Descriptors: At Risk Persons, Behavior Patterns, Child Development, Family Income