[Clinical picture of left posterior cerebral artery occlusion. Alexia syndrome without agraphia].

The authors present a clinical description of three cases of occlusion of the left posterior cerebral artery. The pathogenesis of the syndrome of alexia without agraphia is discussed, together with other coexistent symptoms and signs such as hemianopsia, colour anomia, disturbances of recent memory. The discussion is based on own observations and a review of the pertinent literature.