Abstract # 3221 Poster # 196:

Scheduled for Sunday, September 18, 2011 07:00 PM-09:00 PM: Session 23 (Salon G (Sixth Floor)) Poster Presentation


BEHAVIORAL RESPONSIVENESS DURING INFANCY PREDICTS SOCIAL BEHAVIOR IN ONE-YEAR-OLD RHESUS MACAQUES (MACACA MULATTA)

K. Chun and J. P. Capitanio
University of California, Davis, California National Primate Center, Department of Psychology, One Shields Ave, Davis, CA 95616, USA
line
     

Separation of an infant monkey from its mother is often characterized by an immediate vigorous response followed by a reduction in activity. However, there is considerable variation in responsiveness, and we examined whether this variation is associated with later social behavior. Fifty animals (females=26) from eight 0.19-hectare corrals at the California National Primate Research Center experienced a 25-hr BioBehavioral Assessment (BBA) at 3-4 months of age involving separation from mother and relocation to a novel environment. Factor analysis of data from 5-min focal observations on Day 1 revealed an Activity and an Emotionality dimension. Identical scales were created using data from a second 5-min observation at the end of the 25-hr period. At a mean of 1.25 years, animals’ social behavior was observed in their natal corrals, and multiple regression was used to test the hypothesis that responsiveness to BBA was associated with social behavior a year later. Monkeys that responded with increased Emotionality on Day1, but with inhibited Emotionality on Day2 spent more time with mother as yearlings (? =.289, p=.059; ? = -.317, p=.035, respectively). Greater Day1Emotionality was also associated with shorter duration of time playing with peers (? = -.310, p=.028). Overall, these results indicate that variation in infants’ emotional responses to the BBA is related to a pattern of social functioning a year later suggestive of anxious attachment and social inhibition.