title: A model of speech-locomotory merger and its implications for the protohuman evolutionary ecology.
mesh_terms: D000293:Adolescent; D000818:Animals; D001289:Attention Deficit Disorder with Hyperactivity / Q000503:physiopathology / Q000523:psychology; D005075:Biological Evolution; D002547:Cerebral Palsy / Q000503:physiopathology / Q000523:psychology; D002648:Child; D004463:Ecology; D005260:Female; D015186:Hominidae; D006801:Humans; D008124:Locomotion; D008297:Male; D008954:Models, Biological; D011597:Psychomotor Performance / Q000502:physiology; D013060:Speech