title: An electrophysiological study of nigro-tectal relationships: a possible role in turning behavior.
mesh_terms: D000818:Animals; D004525:Efferent Pathways / Q000166:cytology / Q000502:physiology*; D005071:Evoked Potentials; D008297:Male; D009043:Motor Activity / Q000502:physiology*; D009132:Muscles / Q000294:innervation; D009333:Neck / Q000294:innervation; D051381:Rats; D013378:Substantia Nigra / Q000166:cytology / Q000502:physiology*; D013477:Superior Colliculi / Q000166:cytology / Q000502:physiology*; D014796:Visual Perception / Q000502:physiology