title: The visually evoked defense reflex of the crayfish: habituation, facilitation, and the influence of picrotoxin.
mesh_terms: D000818:Animals; D003400:Astacoidea / Q000502:physiology*; D003463:Cues; D004576:Electromyography; D005795:Generalization, Stimulus; D006185:Habituation, Psychophysiologic / Q000187:drug effects; D010852:Picrotoxin / Q000494:pharmacology*; D012018:Reflex; D013997:Time Factors; D014796:Visual Perception
chemical_list: D010852:Picrotoxin