Improvement of Mental Imagery after Prism Exposure in Neglect: A Case Study

Previous work has shown that various symptoms of unilateral neglect, including the pathological shift of the subjective midline to the right, may be improved by a short adaptation period to a prismatic shift of the visual field to the right. We report here the improvement of imagined neglect after p...

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Main Authors: Gilles Rode, Yves Rossetti, Ling Li, Dominique Boisson
Format: Article
Language:English
Published: Wiley 1999-01-01
Series:Behavioural Neurology
Online Access:http://dx.doi.org/10.1155/1999/797425
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author Gilles Rode
Yves Rossetti
Ling Li
Dominique Boisson
author_facet Gilles Rode
Yves Rossetti
Ling Li
Dominique Boisson
author_sort Gilles Rode
collection DOAJ
description Previous work has shown that various symptoms of unilateral neglect, including the pathological shift of the subjective midline to the right, may be improved by a short adaptation period to a prismatic shift of the visual field to the right. We report here the improvement of imagined neglect after prism exposure in a patient with a left unilateral neglect. Despite a strong neglect observed for mental images as well as for conventional tests, the mental evocation of left-sided information from an internal image of the map of France map was fully recovered following prism adaptation to the right. This improvement could not be explained by the alteration of visuomotor responses induced by the prism adaptation. Prism adaptation may therefore act not only on sensory-motor levels but also on a higher cognitive level of mental space representation and/or exploration.
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institution Kabale University
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spelling doaj-art-0210213790974a74b93058e6e450ffb12025-02-03T01:07:59ZengWileyBehavioural Neurology0953-41801875-85841999-01-0111425125810.1155/1999/797425Improvement of Mental Imagery after Prism Exposure in Neglect: A Case StudyGilles Rode0Yves Rossetti1Ling Li2Dominique Boisson3Service de Rééducation Neurologique, Hôpital Henry Gabrielle, Hospices Civils de Lyon and Université Claude Bernard, Lyon, FranceService de Rééducation Neurologique, Hôpital Henry Gabrielle, Hospices Civils de Lyon and Université Claude Bernard, Lyon, FranceService de Rééducation Neurologique, Hôpital Henry Gabrielle, Hospices Civils de Lyon and Université Claude Bernard, Lyon, FranceService de Rééducation Neurologique, Hôpital Henry Gabrielle, Hospices Civils de Lyon and Université Claude Bernard, Lyon, FrancePrevious work has shown that various symptoms of unilateral neglect, including the pathological shift of the subjective midline to the right, may be improved by a short adaptation period to a prismatic shift of the visual field to the right. We report here the improvement of imagined neglect after prism exposure in a patient with a left unilateral neglect. Despite a strong neglect observed for mental images as well as for conventional tests, the mental evocation of left-sided information from an internal image of the map of France map was fully recovered following prism adaptation to the right. This improvement could not be explained by the alteration of visuomotor responses induced by the prism adaptation. Prism adaptation may therefore act not only on sensory-motor levels but also on a higher cognitive level of mental space representation and/or exploration.http://dx.doi.org/10.1155/1999/797425
spellingShingle Gilles Rode
Yves Rossetti
Ling Li
Dominique Boisson
Improvement of Mental Imagery after Prism Exposure in Neglect: A Case Study
Behavioural Neurology
title Improvement of Mental Imagery after Prism Exposure in Neglect: A Case Study
title_full Improvement of Mental Imagery after Prism Exposure in Neglect: A Case Study
title_fullStr Improvement of Mental Imagery after Prism Exposure in Neglect: A Case Study
title_full_unstemmed Improvement of Mental Imagery after Prism Exposure in Neglect: A Case Study
title_short Improvement of Mental Imagery after Prism Exposure in Neglect: A Case Study
title_sort improvement of mental imagery after prism exposure in neglect a case study
url http://dx.doi.org/10.1155/1999/797425
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AT dominiqueboisson improvementofmentalimageryafterprismexposureinneglectacasestudy