Changed perceptions in Braille readers

Annette Sterr, Matthias M. Müller, Thomas Elbert, Brigitte Rockstroh, Christo Pantev and Edward Taub
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Annette Sterr: University of Konstanz
Matthias M. Müller: University of Konstanz
Thomas Elbert: University of Konstanz
Brigitte Rockstroh: University of Konstanz
Christo Pantev: Institute of Experimental Audiology, University of Münster
Edward Taub: University of Alabama at Birmingham

Nature, 1998, vol. 391, issue 6663, 134-135

Abstract: Abstract The mature mammalian nervous system has a striking capacity for plastic remodelling in response to environmental changes, but little is known about the perceptual and behavioural relevance of this phenomenon. Using magnetic source imaging we show that the cortical somatosensory representation of the fingers is topographically disordered in blind Braille readers who use three fingers on both hands to read. In addition, they frequently misperceive which of these fingers is being touched. This correlation is suggestive of a functional role for cortical reorganization in the perceptual experience of these individuals.

Date: 1998
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DOI: 10.1038/34322

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