Self-observation reinstates motor awareness in anosognosia for hemiplegia

Aikaterini Fotopoulou; Anthony Rudd; Paul Holmes; Michael Kopelman

doi:10.1016/j.neuropsychologia.2009.01.018

Self-observation reinstates motor awareness in anosognosia for hemiplegia

Aikaterini Fotopoulou, Anthony Rudd, Paul Holmes, Michael Kopelman

Research output: Contribution to journal › Article › peer-review

72 Citations (Scopus)

Abstract

We report a patient with severe anosognosia for hemiplegia, who recovered instantly and permanently when viewing herself in a video replay. We believe the observed dramatic reinstatement of the patient's awareness related to her self-observation 'from the outside' (3rd person perspective) and 'off-line' (at a time later than the actual attempt to execute a movement); her anosognosia had been unaltered when she observed her plegic arm in her ipsilateral visual field (self-observation from a 1st-person perspective and 'on-line'). To our knowledge, the role of self-observation in videos or mirrors has not being assessed in AHP to date. Our study provides preliminary evidence that, when right hemisphere damage impairs the ability to update one's body representation, judgements relying on 3rd-person and off-line self-observation may be spared in some patients and may facilitate 1st person awareness. (C) 2009 Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	1256 - 1260
Number of pages	5
Journal	Neuropsychologia
Volume	47
Issue number	5
DOIs	https://doi.org/10.1016/j.neuropsychologia.2009.01.018
Publication status	Published - Apr 2009

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10.1016/j.neuropsychologia.2009.01.018

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title = "Self-observation reinstates motor awareness in anosognosia for hemiplegia",

abstract = "We report a patient with severe anosognosia for hemiplegia, who recovered instantly and permanently when viewing herself in a video replay. We believe the observed dramatic reinstatement of the patient's awareness related to her self-observation 'from the outside' (3rd person perspective) and 'off-line' (at a time later than the actual attempt to execute a movement); her anosognosia had been unaltered when she observed her plegic arm in her ipsilateral visual field (self-observation from a 1st-person perspective and 'on-line'). To our knowledge, the role of self-observation in videos or mirrors has not being assessed in AHP to date. Our study provides preliminary evidence that, when right hemisphere damage impairs the ability to update one's body representation, judgements relying on 3rd-person and off-line self-observation may be spared in some patients and may facilitate 1st person awareness. (C) 2009 Elsevier Ltd. All rights reserved.",

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AU - Holmes, Paul

AU - Kopelman, Michael

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Self-observation reinstates motor awareness in anosognosia for hemiplegia

Abstract

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