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Motor performance and concurrent cognitive tasks.

M Cremer1, R Ashton

  • 1University of Queensland, St. Lucia, Australia.

Journal of Motor Behavior
|September 1, 1981
PubMed
Summary
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Cognitive tasks disrupt hand tapping speed and consistency, showing brain lateralization. Performance accuracy remained unaffected by concurrent verbal or visuospatial tasks.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Human Motor Control

Background:

  • Cerebral lateralization influences cognitive and motor functions.
  • Understanding the interplay between cognitive load and motor performance is crucial.

Purpose of the Study:

  • To investigate how concurrent cognitive tasks affect fine motor skills.
  • To explore the role of brain lateralization in dual-task performance.

Main Methods:

  • Twenty students performed a target-tapping task.
  • Participants concurrently engaged in either a verbal or a visuospatial cognitive task.
  • Tapping speed, consistency, and accuracy were measured.

Main Results:

  • Right-hand tapping speed and consistency were impaired during the visuospatial task.

Related Experiment Videos

  • Left-hand tapping speed and consistency were impaired during the verbal task.
  • Target accuracy was not significantly affected by either cognitive task.

    • Conclusions:

    • Cognitive tasks selectively disrupt motor control depending on hand laterality.
    • Findings support an attentional model of cerebral lateralization.
    • Dual-tasking reveals specific interhemispheric interactions between cognitive and motor processes.