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Experimental remission of unilateral spatial neglect |
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| Authors: | Chokron Sylvie Dupierrix Eve Tabert Matthias Bartolomeo Paolo |
| Affiliation: | aLaboratoire de Psychologie et NeuroCognition, CNRS, UMR5105, UPMF, Grenoble, France bEquipe TREAT VISION, Service de Neurologie, Fondation Opthalmologique Rothschild, 25 rue Manin, 75019 Paris, France cDepartment of Psychiatry, Columbia University College of Physicians and Surgeons and the New York State Psychiatric Institute, New York, USA dInserm U 610, Department of Neurology, AP-HP, IFR 70, Hôpital de la Salpêtrière, Université Pierre et Marie Curie Paris 6, Paris, France |
| Abstract: | Over the past several decades a growing amount of research has focused on the possibility of transiently reducing left neglect signs in right brain-damaged patients by using vestibular and/or visuo-proprioceptive stimulations. Here we review seminal papers dealing with these visuo-vestibulo-proprioceptive stimulations in normal controls, right brain-damaged (RBD) patients, and animals. We discuss these data in terms of clinical implications but also with regards to theoretical frameworks commonly used to explain the unilateral neglect syndrome. We undermine the effect of these stimulations on the position of the egocentric reference and extend the notion that the positive effects of these stimulation techniques may stem from a reorientation of attention towards the neglected side of space or from a recalibration of sensori-motor correlations. We conclude this review with discussing the possible interaction between experimental rehabilitation, models of neglect and basic spatial cognition research. |
| Keywords: | Unilateral neglect Vestibular caloric stimulation Optokinetic stimulation Prismatic adaptation Vision Proprioception Nystagmus Attention |
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