Modulation of human visual cortex by crossmodal spatial attention - PubMed (original) (raw)

Clinical Trial

. 2000 Aug 18;289(5482):1206-8.

doi: 10.1126/science.289.5482.1206.

Affiliations

• PMID: 10947990
• DOI: 10.1126/science.289.5482.1206

Clinical Trial

Modulation of human visual cortex by crossmodal spatial attention

E Macaluso et al. Science. 2000.

Abstract

A sudden touch on one hand can improve vision near that hand, revealing crossmodal links in spatial attention. It is often assumed that such links involve only multimodal neural structures, but unimodal brain areas may also be affected. We tested the effect of simultaneous visuo-tactile stimulation on the activity of the human visual cortex. Tactile stimulation enhanced activity in the visual cortex, but only when it was on the same side as a visual target. Analysis of effective connectivity between brain areas suggests that touch influences unimodal visual cortex via back-projections from multimodal parietal areas. This provides a neural explanation for crossmodal links in spatial attention.

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Comment in

• Neuroscience. More to seeing than meets the eye.
  de Gelder B. de Gelder B. Science. 2000 Aug 18;289(5482):1148-9. doi: 10.1126/science.289.5482.1148. Science. 2000. PMID: 10970228

Comment on

• Syntheses of chromium pentacarbonyl derivatives of arsenic(V) and antimony(V). contrasting chemical reactivity with organic halogen derivatives.
  Cherng JJ, Lai YW, Liu YH, Peng SM, Ueng CH, Shieh M. Cherng JJ, et al. Inorg Chem. 2001 Mar 12;40(6):1206-12. doi: 10.1021/ic0004277. Inorg Chem. 2001. PMID: 11300820

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