Universität zu Köln

Wirth, K., Held, A., Kalbe, E., Kessler, J., Saliger, J., Karbe, H., Fink, G. R. and Weiss, P. H. (2016). A New Diagnostic Tool for Apraxia in Patients with Right-Hemisphere Stroke: The Revised Cologne Apraxia Screening (KAS-R). Forschritte Neurol. Psychiatr., 84 (10). S. 634 - 641. STUTTGART: GEORG THIEME VERLAG KG. ISSN 1439-3522

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Abstract

The Cologne Apraxia Screening (KAS) was developed to diagnose apraxia following left-hemisphere (LH) stroke. The present study aims at developing a diagnostic tool for patients with right-hemisphere (RH) stroke (KAS-R) by modifying the test material of the KAS and reducing the test items based on psychometric analyses. A total of 100 patients with RH stroke and 77 healthy control participants were tested. Psychometric analyses led to the exclusion of 8 KAS items. The final KAS-R, consisting of 12 items, shows good internal consistency (alpha=0.795) as well as high sensitivity (79.4%) and specificity (84.4%). Applying a cut-off value of <= 46 (out of 48) points, 39 RH stroke patients were diagnosed with apraxia. Significant correlations were found between the KAS-R and an imitation test as well as expert ratings, indicating high construct validity. The results suggest that the KAS-R is a reliable and valid diagnostic tool for apraxic deficits after RH stroke.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Wirth, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Held, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kalbe, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kessler, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Saliger, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Karbe, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fink, G. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Weiss, P. H. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-261485
DOI:	10.1055/s-0042-115843
Journal or Publication Title:	Forschritte Neurol. Psychiatr.
Volume:	84
Number:	10
Page Range:	S. 634 - 641
Date:	2016
Publisher:	GEORG THIEME VERLAG KG
Place of Publication:	STUTTGART
ISSN:	1439-3522
Language:	German
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language IDEOMOTOR APRAXIA; LIMB APRAXIA; IMITATION; GESTURES; REHABILITATION; MOVEMENT; APHASIA; DAMAGE Multiple languages Clinical Neurology; Psychiatry Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/26148