Universität zu Köln

Martin, M., Hermsdoerfer, J., Bohlhalter, S. and Weiss, P. H. (2017). Networks involved in motor cognition. Physiology and pathophysiology of apraxia. Nervenarzt, 88 (8). S. 858 - 866. NEW YORK: SPRINGER. ISSN 1433-0407

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Abstract

Apraxia is an umbrella term for different disorders of higher motor abilities that are not explained by elementary sensorimotor deficits (e. g. paresis or ataxia). Characteristic features of apraxia that are easy to recognize in clinical practice are difficulties in pantomimed or actual use of tools as well as in imitation of meaningless gestures. Apraxia is bilateral, explaining the cognitive motor disorders and occurs frequently (but not exclusively) after left hemispheric lesions, as well as in neurodegenerative diseases, such as corticobasal syndrome and Alzheimer's disease. Apraxic deficits can seriously impair activities of daily living, which is why the appropriate diagnosis is of great relevance. At the functional anatomical level, different cognitive motor skills rely on at least partly different brain networks, namely, a ventral processing pathway for semantic components, such as tool-action associations, a ventro-dorsal pathway for sensorimotor representations of learnt motor acts, as well as a dorso-dorsal pathway for on-line motor control and, probably, imitation of meaningless gestures. While these networks partially overlap with language-relevant regions, more clear cut dissociations are found between apraxia deficits and disorders of spatial attention. In addition to behavioral interventions, noninvasive neuromodulation approaches, as well as human-computer interface assistance systems are a growing focus of interest for the treatment of apraxia.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Martin, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hermsdoerfer, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bohlhalter, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Weiss, P. H. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-223025
DOI:	10.1007/s00115-017-0370-7
Journal or Publication Title:	Nervenarzt
Volume:	88
Number:	8
Page Range:	S. 858 - 866
Date:	2017
Publisher:	SPRINGER
Place of Publication:	NEW YORK
ISSN:	1433-0407
Language:	German
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language LEFT-HEMISPHERE STROKE; LIMB APRAXIA; TOOL USE; CORTICOBASAL SYNDROME; PARKINSONS-DISEASE; PARIETAL CORTEX; BRAIN; IMITATION; PRAXIS; STIMULATION Multiple languages Clinical Neurology; Psychiatry Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/22302