Behavioral and Brain Sciences

Open Peer Commentary

The multiple adaptive problems solved by human aggression

David M. Bussa1

a1 Department of Psychology, A8000, University of Texas, Austin, TX 78712. dbuss@psy.utexas.edu www.davidbuss.com

Abstract

Human psychology contains adaptations to deploy aggression as one solution to many distinct adaptive problems. These include expropriating resources, defending against incursions, establishing encroachment-deterring reputations, inflicting costs on rivals, ascending dominance hierarchies, dissuading partner defection, eliminating fitness-draining offspring, and obtaining new mates. Aggression is not a singular strategy. Comprehensive theories must identify the “design features” of multiple adaptations for aggression.

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