title: Attack produced by intermittent reinforcement of a concurrent operant response.
abstract: Squirrel monkeys pressed a lever to produce food on several fixed-ratio schedules; they could also bite a rubber hose. Biting attack occurred during the postreinforcement pause and in early portions of the ratio response run. Also, biting attacks increased after transitions to higher values of the fixed-ratio requirement and in extinction. The results show that extinction-induced aggression effects occur in primates.
mesh_terms: D000374:Aggression; D000818:Animals; D003216:Conditioning, Operant; D005108:Extinction, Psychological; D000882:Haplorhini; D006801:Humans; D008297:Male; D012055:Reinforcement Schedule; D012054:Reinforcement, Psychology