Autoradiographic evidence for projections from cortical visual areas 17, 18, 19 and the Clare-Bishop area to the ipsilateral claustrum in the cat.
Projections from different visual areas of the cerebral cortex to the ipsilateral claustrum have been investigated in the cat by intracortical injections of [3H]proline. As a consequence of axonal flow an accumulation of radioactive material within a dorso-caudal region of the ipsilateral claustrum was found. The proline-transporting terminal arborizations of projections from areas 17, 18, 19 and the Clare-Bishop area overlap in the same claustral region. No point-to-point relation was observed between any one visual area and its claustral projection. Differences in the terminal distribution pattern were detectable according to the visual areas of origin.
D000818:Animals; D001345:Autoradiography; D001479:Basal Ganglia / Q000502:physiology*; D001931:Brain Mapping; D002415:Cats / Q000502:physiology*; D009435:Synaptic Transmission; D013997:Time Factors; D014793:Visual Cortex / Q000502:physiology*