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Neglect assessment as an application of virtual reality.

Journal article
Authors Jurgen Broeren
Hans Samuelsson
Katharina Stibrant Sunnerhagen
Christian Blomstrand
Martin Rydmark
Published in Acta neurologica Scandinavica
Volume 116
Issue 3
Pages 157-63
ISSN 0001-6314
Publication year 2007
Published at Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation
Department of Psychology
Institute of Biomedicine, Department of Medical Biochemistry and Cell Biology
Pages 157-63
Language en
Subject categories Occupational Therapy, Neurology


OBJECTIVE: In this study a cancellation task in a virtual environment was applied to describe the pattern of search and the kinematics of hand movements in eight patients with right hemisphere stroke. METHODS: Four of these patients had visual neglect and four had recovered clinically from initial symptoms of neglect. The performance of the patients was compared with that of a control group consisting of eight subjects with no history of neurological deficits. RESULTS: Patients with neglect as well as patients clinically recovered from neglect showed aberrant search performance in the virtual reality (VR) task, such as mixed search pattern, repeated target pressures and deviating hand movements. The results indicate that in patients with a right hemispheric stroke, this VR application can provide an additional tool for assessment that can identify small variations otherwise not detectable with standard paper-and-pencil tests. CONCLUSION: VR technology seems to be well suited for the assessment of visually guided manual exploration in space.

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