Excitation of perigeniculate neurones via axon collaterals of principal cells.
D000818:Animals; D001931:Brain Mapping; D002415:Cats; D004558:Electric Stimulation; D005829:Geniculate Bodies / Q000502:physiology*; D009431:Neural Conduction; D011930:Reaction Time / Q000502:physiology; D012032:Refractory Period, Electrophysiological; D013788:Thalamus / Q000502:physiology*; D014793:Visual Cortex / Q000502:physiology; D014795:Visual Pathways / Q000502:physiology