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…

Investigated homesickness in boys ages 8 through 16. Results indicated that homesickness was prevalent and varied in intensity, was experienced as a combination of depression and anxiety, was presented most often as internalizing behavior, and was more typical for younger boys. The most-homesick became increasingly so during the separation,…

Examined potential differences in psychological correlates between mothers with high and low levels of separation anxiety when their children were 8 months, 3.5 years, and 6 years of age. Mothers with extremely high levels of anxiety about short-term separation from their six year olds tended to have higher levels of depressive symptomatology.…