Evolutionary psychologists look for roots of cognition.
Williams
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D000818:Animals; D001522:Behavior, Animal; D005075:Biological Evolution; D001717:Birds; D003071:Cognition; D005260:Female; D006801:Humans; D008253:Macaca mulatta / Q000523:psychology; D008297:Male; D008568:Memory; D012201:Reward; D012942:Social Sciences