title: An automated apparatus for the determination of visual thresholds in turtles.
abstract: An automated apparatus is described that permits precise and reliable measurements of visual thresholds in turtles using a conditioned avoidance technique. The entire sequence of stimulus management and the collection of response data are under programmed control.
mesh_terms: D000818:Animals; D001362:Avoidance Learning; D003216:Conditioning, Operant / Q000502:physiology*; D004056:Differential Threshold; D001330:Electronic Data Processing / Q000295:instrumentation*; D010775:Photic Stimulation; D014426:Turtles / Q000502:physiology*; D014796:Visual Perception / Q000502:physiology*