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Peer reviewedLevine, Seymour; And Others – Child Development, 1984
Four-month-old rhesus monkeys were removed from their social group under three different conditions of perceptual isolation from their mothers and peers. Infant behavior was recorded and blood samples were obtained for analysis of plasma cortisol. Infants never showed signs of depression; their responses following separation were seen as attempts…
Descriptors: Animal Behavior, Coping, Infants, Primates
Peer reviewedJacobson, Joseph L; Wille, Diane E. – Developmental Psychology, 1984
Distress in response to brief maternal separations was examined in a sample of 93 predominantly home-reared infants using the Ainsworth strange situation paradigm. At 18 months, the age when separation protests begin to decline, securely attached infants are better able than anxiously attached infants to tolerate maternal separations. (Author/RH)
Descriptors: Attachment Behavior, Coping, Day Care, Early Childhood Education
