title: A model of an early 'off' response in frog optic tectum.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D003623:Dark Adaptation; D004056:Differential Threshold; D008564:Membrane Potentials; D008959:Models, Neurological; D010775:Photic Stimulation; D011894:Rana pipiens; D013477:Superior Colliculi / Q000187:drug effects / Q000502:physiology*; D013997:Time Factors; D014403:Tubocurarine / Q000494:pharmacology; D014796:Visual Perception / Q000502:physiology*
chemical_list: D001285:Atropine; D000109:Acetylcholine; D014403:Tubocurarine