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Dynamic assessment of visual neglect: The Mobility Assessment Course as a diagnostic tool.

Abstract：

INTRODUCTION:Visual neglect is a frequent disorder following stroke and is often diagnosed by neuropsychological assessment. However, paper-and-pencil tasks have low predictive value as they lack sensitivity to capture neglect in complex, dynamic situations, such as activities of daily living. Aims of the current study were to assess the feasibility of the Mobility Assessment Course (MAC), a visual search multitask, to assess neglect, and its relation with existing neglect tasks. METHOD:Stroke patients admitted for inpatient rehabilitation and healthy controls were tested with the MAC in different corridors. Participants had to move through a corridor, finding and reporting 24 targets attached to the walls. In addition, the shape cancellation, line bisection, and Catherine Bergego Scale (CBS) were used in order to compare the MAC with existing diagnostic tools for neglect. RESULTS:Administering the MAC was feasible, as 112 of 113 patients completed the MAC with a median duration of 4.09 min. Depending on the corridor where the assessment took place, in 88.5-93.3% of assessments all targets were visible. The number of omissions (total and contralesional) and the asymmetry score (contralesional-ipsilesional omissions) on the MAC as well as collisions and corrections, were higher for patients with neglect than for those without neglect. Depending on the neglect task used, 4.0-18.6% of patients without neglect on neuropsychological tasks or the CBS showed neglect on the MAC. Vice versa, 17.2-29.3% of patients who showed neglect at neuropsychological assessment or the CBS did not do so on the MAC. Finally, a moderate to strong positive relation was seen between neglect at neuropsychological assessment, the CBS, and the MAC. CONCLUSIONS:The MAC is an ecological task in which both quantitative and qualitative data on neglect can be collected. In order to assess the presence of neglect and neglect severity in a dynamic way, the MAC could be administered in conjunction with neuropsychological assessment.

journal_name

J Clin Exp Neuropsychol

journal_title

Journal of clinical and experimental neuropsychology

authors

Ten Brink AF,Visser-Meily JMA,Nijboer TCW

doi

10.1080/13803395.2017.1324562

subject

Has Abstract

pub_date

2018-03-01 00:00:00

pages

161-172

issue

eissn

1380-3395

issn

1744-411X

journal_volume

pub_type

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Dynamic assessment of visual neglect: The Mobility Assessment Course as a diagnostic tool.