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Limb apraxia profiles in different clinical samples.

Ilka Buchmann1,2, Mareike Dangel1, Lisa Finkel1,2

  • 1University of Konstanz, Konstanz, Germany.

The Clinical Neuropsychologist
|April 20, 2019
PubMed
Summary
This summary is machine-generated.

Limb apraxia presents varied symptoms across neurological conditions like stroke and brain injury. The Diagnostic Instrument for Limb Apraxia (DILA-S) reveals distinct performance profiles, aiding in tailored motor cognitive training.

Keywords:
DILA-SLimb apraxiadementiamultiple sclerosisstroketraumatic brain injury

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Neurology

Background:

  • Limb apraxia, a motor-cognitive disorder, is primarily studied in dementia and left hemisphere stroke (LHS) patients.
  • Limb apraxia has also been observed in right hemisphere stroke (RHS), multiple sclerosis (MS), and traumatic brain injury (TBI).

Purpose of the Study:

  • To detail praxis performance profiles in patients with diverse neurological disorders using the Diagnostic Instrument for Limb Apraxia (DILA-S).
  • To compare limb apraxia manifestations across LHS, RHS, dementia, MS, and TBI patient groups.

Main Methods:

  • Utilized the Diagnostic Instrument for Limb Apraxia (DILA-S) for assessment.
  • Evaluated 44 LHS, 36 RHS, 27 dementia, 26 MS, and 44 TBI patients.
  • Included tasks: imitation of gestures, pantomime, real tool use, and multistep naturalistic actions.

Main Results:

  • Apraxia varied in degree and profile across all patient groups.
  • LHS patients showed severe pantomime deficits; RHS patients struggled with imitation and pantomime.
  • Dementia patients had high apraxia rates; TBI patients were challenged by complex actions; MS patients showed no significant symptoms.

Conclusions:

  • Limb apraxia symptoms differ across neurological conditions, detectable by DILA-S.
  • Standardized testing for limb apraxia is recommended in susceptible populations.
  • Individual error profiles can guide personalized motor cognitive training.