This project investigates how rhesus monkeys and other primate species born and raised under different laboratory conditions adapt to placement into naturalistic outdoor environments that contain specific physical and social features of the monkeys' natural habitat. Adaptation is assessed by examining behavioral repertoires and by monitoring a variety of physiological systems in these subjects, yielding broad-based indices of relative physical and psychological well-being. During FY92 detailed longitudinal comparisons between members of a rhesus monkey trop living in a 5-acre outdoor enclosure and similarity aged members of groups living in indoor pens over a comparable period were carried out in order to evaluate the behavioral consequences of providing the indoor groups with a substrate that promoted foraging activity, as well as toys that increased exploratory and manipulative behaviors. Other analyses focused on habitat utilization by members of the rhesus monkey troop living in the outdoor enclosure, comparing traditional ecological and functional approaches with analytic techniques derived from social attachment theory. A cross-sectional study of normative behavioral repertoires of capuchin monkeys living in three different physical and social settings was completed. Finally, several studies focusing on the unique tool- using properties of capuchin monkeys were initiated.
| Ruggiero, Angela M; Novak, Matthew F S X; Woodward, Ruth A et al. (2009) Successful behavioral strategy to unite mother and infant rhesus monkeys (Macaca mulatta) after cesarean delivery. Am J Primatol 71:510-22 |
| Byrne, Gayle; Suomi, Stephen J (2009) Intimate social behavior in infant interactions in Cebus apella. Am J Primatol 71:77-85 |
| Miller, Kimran E; Laszlo, Katalin; Suomi, Stephen J (2008) Why do captive tufted capuchins (Cebus apella) urine wash? Am J Primatol 70:119-26 |
| Novak, Matthew Fsx; Kenney, Caroline; Suomi, Stephen J et al. (2007) Use of animal-operated folding perches by rhesus macaques (Macaca mulatta). J Am Assoc Lab Anim Sci 46:35-43 |
| Lutz, Corrine K; Davis, Ernie B; Ruggiero, Angela M et al. (2007) Early predictors of self-biting in socially-housed rhesus macaques (Macaca mulatta). Am J Primatol 69:584-90 |
| Roma, Peter G; Silberberg, Alan; Huntsberry, Mary E et al. (2007) Mark tests for mirror self-recognition in capuchin monkeys (Cebus apella) trained to touch marks. Am J Primatol 69:989-1000 |
| Roma, Peter G; Champoux, Maribeth; Suomi, Stephen J (2006) Environmental control, social context, and individual differences in behavioral and cortisol responses to novelty in infant rhesus monkeys. Child Dev 77:118-31 |
| Roma, Peter G; Silberberg, Alan; Ruggiero, Angela M et al. (2006) Capuchin monkeys, inequity aversion, and the frustration effect. J Comp Psychol 120:67-73 |
| Silberberg, Alan; Roma, Peter G; Ruggiero, Angela M et al. (2006) On inequity aversion in nonhuman primates. J Comp Psychol 120:76 |
| Suomi, Stephen J (2005) Aggression and social behaviour in rhesus monkeys. Novartis Found Symp 268:216-22; discussion 222-6, 242-5 |
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