Kusch, Mona, Gillessen, Sarah, Saliger, Jochen, Karbe, Hans, Binder, Ellen, Fink, Gereon R. ORCID: 0000-0002-8230-1856, Vossel, Simone ORCID: 0000-0002-6351-8849 and Weiss, Peter H. ORCID: 0000-0002-5230-9080 (2018). Reduced Awareness for Apraxic Deficits in Left Hemisphere Stroke. Neuropsychology, 32 (4). S. 509 - 516. WASHINGTON: AMER PSYCHOLOGICAL ASSOC. ISSN 1931-1559

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Abstract

Objective: Reduced awareness for motor or cognitive impairments has mainly been studied in relation to right-hemispheric deficits such as left-sided hemiparesis. However, recent studies suggest that also left hemisphere (LH) stroke can lead to reduced awareness for neurological/neuropsychological deficits, for example, aphasia. The aim of the current study was to characterize reduced awareness for apraxic as well as aphasic deficits in patients suffering from LH stroke. Method: After the assessment of apraxia and aphasia, patients (n = 32) were asked to rate their performance on a 1-to 5-point rating scale. An unawareness score (UAS) was computed as the difference between the examiners' ratings and self-ratings, resulting in negative scores for patients who overestimated their performance in a given assessment, that is, exhibited reduced awareness for their stroke-related deficits. Results: Patients with apraxia (n = 14) and aphasia (n = 16) significantly overestimated their performance in the respective assessment. However, the level of awareness was not generally related to the severity of apraxia, and there were no group differences in other variables between patients with full (n = 7) and reduced awareness (n = 7) for apraxic deficits. The reduction of awareness for apraxic deficits did not differ significantly for buccofacial versus limb gestures. Conclusion: Data show that LH stroke can lead to reduced awareness not only for aphasic deficits but also for buccofacial and limb apraxia.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Kusch, MonaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gillessen, SarahUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Saliger, JochenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Karbe, HansUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Binder, EllenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fink, Gereon R.UNSPECIFIEDorcid.org/0000-0002-8230-1856UNSPECIFIED
Vossel, SimoneUNSPECIFIEDorcid.org/0000-0002-6351-8849UNSPECIFIED
Weiss, Peter H.UNSPECIFIEDorcid.org/0000-0002-5230-9080UNSPECIFIED
URN: urn:nbn:de:hbz:38-187132
DOI: 10.1037/neu0000451
Journal or Publication Title: Neuropsychology
Volume: 32
Number: 4
Page Range: S. 509 - 516
Date: 2018
Publisher: AMER PSYCHOLOGICAL ASSOC
Place of Publication: WASHINGTON
ISSN: 1931-1559
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
MOTOR IMPAIRMENT; ANOSOGNOSIA; HEMIPLEGIA; REHABILITATION; UNAWARENESS; DISORDERS; LANGUAGE; IMPLICIT; NEGLECTMultiple languages
Psychology, Clinical; Neurosciences; PsychologyMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/18713

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