Motor learning: Its relevance to stroke recovery and neurorehabilitation

Research output: Contribution to journalReview article

Abstract

Purpose of review: Much of neurorehabilitation rests on the assumption that patients can improve with practice. This review will focus on arm movements and address the following questions: (i) What is motor learning? (ii) Do patients with hemiparesis have a learning deficit? (iii) Is recovery after injury a form of motor learning? (iv) Are approaches based on motor learning principles useful for rehabilitation? Recent findings: Motor learning can be broken into kinematic and dynamic components. Studies in healthy subjects suggest that retention of motor learning is best accomplished with variable training schedules. Animal models and functional imaging in humans show that the mature brain can undergo plastic changes during both learning and recovery. Quantitative motor control approaches allow differentiation between compensation and true recovery, although both improve with practice. Several promising new rehabilitation approaches are based on theories of motor learning. These include impairment oriented-training (IOT), constraint-induced movement therapy (CIMT), electromyogram (EMG)-triggered neuromuscular stimulation, robotic interactive therapy and virtual reality (VR). Summary: Motor learning mechanisms are operative during spontaneous stroke recovery and interact with rehabilitative training. For optimal results, rehabilitation tehniques should be geared towards patiens' specific motor deficits and possibly combined, for example, CIMT with VR. Two critical questions that should always be asked of a rehabilitation technique are whether they generalize to untrained tasks.

Original languageEnglish (US)
Pages (from-to)84-90
Number of pages7
JournalCurrent opinion in neurology
Volume19
Issue number1
DOIs
StatePublished - Feb 2006
Externally publishedYes

Keywords

  • Hemiparesis
  • Motor control
  • Motor learning
  • Reaching
  • Rehabilitation
  • Stroke recovery

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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