PMID: 16519272Mar 8, 2006Paper

Improvement of a face perception deficit via subsensory galvanic vestibular stimulation

Journal of the International Neuropsychological Society : JINS
David WilkinsonWilliam Milberg

Abstract

The remediative effect of galvanic vestibular stimulation (GVS) was investigated in a patient who, following right hemisphere damage, is profoundly unable to recognize faces. We administered a two-alternative forced choice match-to-sample task in which the patient had to choose which of two faces matched a sample face presented directly above, while bipolar, transcutaneous current was applied to the left and right vestibular nerves at a level below the patient's sensory threshold. Performance improved beyond the chance-level observed prestimulation, and relied on reversing the electrode polarity across two separate blocks of trials, such that each mastoid received positive current for one block and then negative charge for the next. Although our study involved only a single case, the data provide preliminary evidence that a deficit in perceptual face matching can be reduced by GVS. This raises the intriguing possibility that other unilateral visual disorders may also respond in such a manner.

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Citations

Jun 28, 2008·Experimental Brain Research·David WilkinsonWilliam Milberg
Dec 3, 2014·Annals of Physical and Rehabilitation Medicine·A RuetP Azouvi
Aug 27, 2009·Journal of Neuropsychology·David WilkinsonJonathan Potter
Aug 21, 2014·Frontiers in Human Neuroscience·Joseph M DeGutisSarah Cohan
Nov 5, 2016·The Quarterly Journal of Experimental Psychology : QJEP·Philip I N UlrichLaura Schmalzl
Aug 22, 2015·PloS One·Rahul GoelAjitkumar P Mulavara
Jun 30, 2019·Scientific Reports·Danica HilliardShu-Chen Li
Apr 22, 2021·Journal of Neurophysiology·Youstina MikhailDorothy Barthélemy
Jul 9, 2021·Neurocritical Care·Brian L EdlowUNKNOWN Curing Coma Campaign and its contributing members

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