Adaptation to central scotoma. Part II. Perceptual filling-in phenomenon

The visual cortex may reorganize after occurrence of a scotoma. Different experimental studies have shown that there is an attempt to minimize the impact of the scotoma, the missing information being filled-in by surrounding information. The clinical consequences of this filling-in phenomenon have b...

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Veröffentlicht in:Journal francais d'ophtalmologie 2005-12, Vol.28 (10), p.1131
Hauptverfasser: Cohen, S Y, Legargasson, J-F
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creator Cohen, S Y
Legargasson, J-F
description The visual cortex may reorganize after occurrence of a scotoma. Different experimental studies have shown that there is an attempt to minimize the impact of the scotoma, the missing information being filled-in by surrounding information. The clinical consequences of this filling-in phenomenon have been extensively studied by Safran and co-workers. The present review summarizes the current literature on this phenomenon and its clinical consequences. Furthermore, the authors present their own experience with the filling-in phenomenon in patients with age-related macular degeneration. Their study shows that, with few exceptions, the phenomenon only occurs in patients with bilateral central scotoma, in their better eye.
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subjects Adaptation, Physiological
Humans
Macular Degeneration - physiopathology
Perceptual Closure
Scotoma - physiopathology
title Adaptation to central scotoma. Part II. Perceptual filling-in phenomenon
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