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Improvement of visual scanning after DC brain polarization of parietal cortex in stroke patients with spatial neglect

KO MH; HAN SH; PARK SH; SEO JH; KIM YH
NEUROSCI LETT , 2008, vol. 448, n° 2, p. 171-174
Doc n°: 161626
Localisation : Documentation IRR

D.O.I. : http://dx.doi.org/DOI:10.1016/j.neulet.2008.10.050
Descripteurs : AD64 - TROUBLES DE L'ESPACE, DU SCHEMA CORPOREL, AD68 - NEGLIGENCE, AF21 - ACCIDENTS VASCULAIRES CEREBRAUX

Previous studies have demonstrated that transcranial direct current (DC) brain
polarization can modulate cortical excitability in the human brain. We
investigated the effect of anodal DC brain polarization of right parietal cortex
on visuospatial scanning in subacute stroke patients with spatial neglect. The
patients underwent two neglect tests - figure cancellation and line bisection -
before and immediately after anodal DC or sham in a double-blind protocol. Anodal
DC was applied to the scalp over the right posterior parietal cortex (PPC) with
an intensity of 2.0 mA for 20 min. Anodal DC brain polarization, but not sham,
led to significant improvement in the both neglect tests. These results document
a beneficial effect of DC brain polarization on neglect.

Langue : ANGLAIS

Tiré à part : OUI

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