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Visual Function of the Extrageniculo-calcarine System in ManRelationship to Cortical Blindness
Gastone G. Celesia, MD;
Carol R. Archer, MD;
Yoshiyuki Kuroiwa, MD;
Peggy R. Goldfader, PhD
Arch Neurol. 1980;37(11):704-706.
Abstract
• A 72-year-old woman, blind for more than two years, had normal evoked potentials to visual stimulation. Destruction of both areas 17 and relative preservation of areas 18 and 19 was demonstrated. We concluded that in the presence of bilateral destruction of area 17, visual evoked potentials are mediated by extrageniculocalcarine pathways to secondary visual cortices, but this system is not capable of providing conscious visual perception in humans.
Author Affiliations
From the Departments of Neurology (Drs Celesia, Kuroiwa, and Goldfader) and Radiology (Dr Archer), St Louis University, and the Department of Neurology, Veterans Administration Medical Center, St Louis (Drs Celesia and Kuroiwa).
Footnotes
Accepted for publication Dec 20, 1979.
Reprint requests to Department of Neurology, Williams S. Middleton Memorial Veterans Hospital, 2500 Overlook Terr, Madison, WI 53705 (Dr Celesia).
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