title: The neuronal basis of a sensory analyser, the acridid movement detector system. IV. The preference for small field stimuli.
mesh_terms: D000818:Animals; D006110:Grasshoppers / Q000502:physiology*; D008564:Membrane Potentials; D009039:Motion Perception / Q000502:physiology*; D009433:Neural Inhibition; D014794:Visual Fields; D014795:Visual Pathways / Q000502:physiology