The visual cortex as a spatial frequency analyser.
D000818:Animals; D002415:Cats; D005829:Geniculate Bodies / Q000502:physiology; D008839:Microelectrodes; D009474:Neurons / Q000502:physiology; D010775:Photic Stimulation; D012160:Retina / Q000502:physiology; D013028:Space Perception; D014792:Visual Acuity; D014793:Visual Cortex / Q000502:physiology*; D014794:Visual Fields