title: Effects of serotonergic lesions on investigatory responding by rats in a holeboard.
mesh_terms: D000818:Animals; D005106:Exploratory Behavior / Q000502:physiology*; D008032:Limbic System / Q000502:physiology; D008297:Male; D011903:Raphe Nuclei / Q000502:physiology; D051381:Rats; D013216:Reflex, Startle / Q000502:physiology; D012701:Serotonin / Q000502:physiology*
chemical_list: D012701:Serotonin