Competitive social strategies in groups of deprived and experienced rhesus monkeys

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Abstract
Behavior during competition for water was observed in 2 social groups of young rhesus monkeys (3 females, 3 males in each). Monkeys in one group were socially deprived and those in the other were socially experienced (raised with mother and agemates). Social status, based on dyadic recording of displacements at the water bottle, was predictive of a number of measures related to water consumption and social orientation in both groups, but this measure was less reliable and predictive for the experienced group than for the deprived group. A major reason for the comparatively low predictive value and reliability of status among experienced monkeys was their ability to influence the behavior of higher status members through responses directed to a 3rd party and other elaborate social strategies, many of which depended on responding to status relations between 2nd and 3rd parties. The fact that such strategies were only observed in the experienced group is a clear indication that the development of higher orders of social cognition is dependent on early social experience.