Spatial frequency rows in the straite visual cortex.
D000200:Action Potentials; D000818:Animals; D002415:Cats; D009475:Neurons, Afferent / Q000502:physiology; D010775:Photic Stimulation; D013028:Space Perception / Q000502:physiology*; D014792:Visual Acuity; D014793:Visual Cortex / Q000033:anatomy & histology / Q000502:physiology*