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Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection
Published on: March 10, 2021
The neural basis of anosognosia for spatial neglect after stroke
Simone Vossel1, Peter H Weiss, Philipp Eschenbeck
1Cognitive Neuroscience, Institute of Neuroscience and Medicine (INM-3), Research Centre Jülich, Leo-Brandt-Str 5, 52425 Jülich, Germany. s.vossel@fz-juelich.de
Background And Purpose:
The present study investigated the lesion anatomy of anosognosia for visuospatial neglect resulting from right hemispheric stroke.
Methods:
In 63 patients, self-ratings of performance in paper-and-pencil tests were contrasted with external performance ratings. Lesion analysis was conducted on patient subgroups with different degrees of anosognosia but comparable visuospatial impairment.
Results:
Independent of the severity of visuospatial neglect per se, damage to the right angular and superior temporal gyrus was associated with higher levels of anosognosia.
Conclusions:
Using a novel assessment of anosognosia for spatial neglect, the present study relates stroke-induced self-awareness deficits to inferior parietal and superior temporal brain damage.
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