The effects of brain lateralization on motor control and adaptation

Pratik K. Mutha, Kathleen Y. Haaland, Robert L. Sainburg

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

Lateralization of mechanisms mediating functions such as language and perception is widely accepted as a fundamental feature of neural organization. Recent research has revealed that a similar organization exists for the control of motor actions, in that each brain hemisphere contributes unique control mechanisms to the movements of each arm. The authors review present research that addresses the nature of the control mechanisms that are lateralized to each hemisphere and how they impact motor adaptation and learning. In general, the studies suggest an enhanced role for the left hemisphere during adaptation, and the learning of new sequences and skills. The authors suggest that this specialization emerges from a left hemisphere specialization for predictive controlthe ability to effectively plan and coordinate motor actions, possibly by optimizing certain cost functions. In contrast, right hemisphere circuits appear to be important for updating ongoing actions and stopping at a goal position, through modulation of sensorimotor stabilization mechanisms such as reflexes. The authors also propose that each brain hemisphere contributes its mechanism to the control of both arms. They also discuss the potential advantages of such a lateralized control system.

Original languageEnglish (US)
Pages (from-to)455-469
Number of pages15
JournalJournal of motor behavior
Volume44
Issue number6
DOIs
StatePublished - Dec 27 2012

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Learning
Aptitude
Brain
Research
Reflex
Language
Organizations
Costs and Cost Analysis

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Orthopedics and Sports Medicine
  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience

Cite this

Mutha, Pratik K. ; Haaland, Kathleen Y. ; Sainburg, Robert L. / The effects of brain lateralization on motor control and adaptation. In: Journal of motor behavior. 2012 ; Vol. 44, No. 6. pp. 455-469.
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The effects of brain lateralization on motor control and adaptation. / Mutha, Pratik K.; Haaland, Kathleen Y.; Sainburg, Robert L.

In: Journal of motor behavior, Vol. 44, No. 6, 27.12.2012, p. 455-469.

Research output: Contribution to journalArticle

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