title: The neurobiological relevance of social behavior: A tribute to Paul MacLean.
mesh_terms: D000818:Animals; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D009446:Neurobiology / Q000266:history; D009484:Neuropsychology / Q000266:history; D012919:Social Behavior; D014481:United States