Table 3.

Ethogram of behaviors coded in the home cage assessments.

Behavioral Class	Behavior	Definition
Social behaviors (measured in percent of time)	Groom	Focal individual is picking at hair and/or skin of another individual (focal can initiate or receive behavior)
	Proximity	Focal individual is within arms length of another individual without touching
	Touch	Focal is in physical contact with another individual
	Ventral contact	Special case of touch, in which ventral surface of both animals are in contact
	Positive social behavior	Combined behavior which includes groom, touch, or ventral contact
	Alone	Focal individual is not in any social contact with other monkeys
Nonsocial behaviors (measured in percent of time)	Stereotypical behavior	Repetitive behavior with no apparent purpose, such as pacing, circling, or poking eye
	Consume	Handling and ingesting food and/or water
	Locomote	Movement (e.g., walk, run)
	Object play	Focal individual manipulates object (e.g., toys or structures in the corral) other than food
	Self-groom	Focal individual grooms self
	Sleep	Focal individual is sitting with eyes closed, usually huddled with other individuals
	Stationary	Focal individual sitting quietly, not engaged in other behavior
Events (measured as frequency)	Aggression	Bite, hit, slap
	Fear grimace	Focal individual bars teeth
	Lipsmack	Rapid movement of lips
	Scratch	Common usage
	Threat	Open mouth threat gesture (focal can initiate or receive behavior)
	Yawn	Common usage
	Dominance-related behavior	Combined behavior which includes aggression, chase, displace, and threat