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| Child Development | 2 |
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| Larson, Mary C. | 1 |
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Peer reviewedLarson, Mary C.; And Others – Child Development, 1991
Three studies examined adrenocortical activity in infants. Morning naps were associated with decreases in salivary cortisol. Riding for 40 minutes in a car lowered salivary cortisol concentrations. Thirty minutes of maternal separation in the laboratory resulted in higher salivary cortisol concentrations than did 30 minutes of play with the mother…
Descriptors: Infant Behavior, Infants, Mothers, Motor Vehicles
Peer reviewedField, Tiffany M. – Child Development, 1991
Eighty infants, toddlers, and preschoolers were observed before, during, and after separations from their mothers. Results suggested that there were no negative cumulative effects of repeated separations. The children seemed to adapt to repeated separations following the stressful experience with their first separation. (GLR)
Descriptors: Attachment Behavior, Behavior Change, Infants, Mothers
