An attempt to find electrophysiologically the visual threshold angle in Schistocerca gregaria and its instars in response to a striped pattern.
D000200:Action Potentials; D000818:Animals; D004594:Electrophysiology; D005556:Form Perception; D006110:Grasshoppers / Q000502:physiology*; D010364:Pattern Recognition, Visual; D013127:Spinal Nerves / Q000502:physiology; D014794:Visual Fields