Journal
JOURNAL OF COMPARATIVE PSYCHOLOGY
Volume 129, Issue 2, Pages 145-159Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/a0038901
Keywords
Attachment theory; comparative development; disorganized attachment; abnormal behavior
Funding
- National Center for Research Resources [P51RR000165]
- Office of Research Infrastructure Programs [OD P51OD011132]
- Leverhulme Trust
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This research traces the long-term effects on health, well-being, personality, and behavior of adult chimpanzees as a function of their attachment to a primary human caregiver assessed when they were 1 year of age. Of the 46 chimpanzees assessed at 1 year of age, we assessed health in 43 individuals, adult behavior in 20 individuals, and adult well-being and personality in 21 individuals. Attachment disorganization was found to be a significant predictor of stereotypic rocking in adult chimpanzees, F(1, 18) = 7.50, p = .013. For those subjects (N = 24) with a full 20 years (birth through age 20 years) of health data available, both rearing experience and disorganized attachment were significant predictors of upper respiratory infection frequency, F(2, 21) = 8.86, p = .002. Chimpanzees with disorganized attachment exhibited average subjective well-being as adults, whereas chimpanzees with organized strategies exhibited higher than average subjective well-being as adults. These results support the findings of human attachment research and are in line with attachment-based predictions for chimpanzees, such that the consequences of an early history of disorganized attachment may be adverse and long lasting.
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