The significance of clumsy gestures in apraxia following a left hemisphere stroke

Neuropsychological Rehabilitation
Maria Kangas, Robyn L Tate

Abstract

Individuals who sustain a cerebrovascular accident (CVA) in the dominant (typically left) hemisphere, are at increased risk of developing motor skill deficits due to motor-sensory impairments, as well as cognitive impairments (e.g., apraxia). Clumsiness is a central component affecting motor skills in individuals with a left hemisphere CVA (LCVA). The term "clumsiness" however, has not been adequately operationalised in the apraxia literature in clinical terms, thereby making diagnosis difficult and its contribution to apraxic disorders uncertain. Accordingly, in this study "clumsiness" was explicitly defined by establishing a set of four criteria. The non-dominant (left) hand movements of three groups of participants were examined: 10 individuals with limb-apraxia (APX); 8 individuals without limb apraxia who had sustained a LCVA (NAPX); and 19 healthy individuals without a history of brain impairment (NBD). Performance was examined on four sets of motor tasks, including a conventional praxis test, basic perceptual-motor co-ordination and fine movement tasks, and a naturalistic actions test. A striking finding that emerged was that clumsy errors occurred frequently in all groups, including the NBD group, particularly on the pr...Continue Reading

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Citations

Sep 2, 2011·Journal of the International Neuropsychological Society : JINS·Joseph R SadekKathleen Y Haaland
May 21, 2010·International Journal of Urology : Official Journal of the Japanese Urological Association·Tae Gu KimSung-Goo Chang
Jun 20, 2017·Practical Neurology·Nick Miller
May 26, 2021·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Josselin Baumard, Didier Le Gall

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