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  Spatial attention modulates the cortical somatosensory representation of the digits in humans

Noppeney, U., Waberski, T., Gobbelé, R., & Buchner, H. (1999). Spatial attention modulates the cortical somatosensory representation of the digits in humans. NeuroReport, 10(15), 3137-3141. doi:10.1097/00001756-199910190-00003.

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Noppeney, U1, Author              
Waberski , TD, Author
Gobbelé, R, Author
Buchner, H, Author
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1External Organizations, ou_persistent22              

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 Abstract: The topographic organization of the primary somatosensory cortex adapts to alterations of afferent input. Here, electric source imaging was used to show that spatial attention modifies cortical somatosensory representations in humans. The cortical representation of the electrically stimulated digit 2 (resp. digits 2 and 3) of the right hand was more medial along the somatosensory area 3b in subjects who focused attention on digit 4 of the right hand, while it was more lateral when subjects attended digit 4 of the contralateral hand. This effect was very fast since the direction of attention was changed every 6 min. The results indicate that cortical somatosensory representations not only depend on afferent input but vary when spatial attention is directed towards different parts of the body.

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 Dates: 1999-10
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: 3694
DOI: 10.1097/00001756-199910190-00003
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Title: NeuroReport
Source Genre: Journal
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Publ. Info: Oxford, UK : Rapid Communications of Oxford Ltd.
Pages: - Volume / Issue: 10 (15) Sequence Number: - Start / End Page: 3137 - 3141 Identifier: ISSN: 0959-4965
CoNE: https://pure.mpg.de/cone/journals/resource/954925578070