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Related Experiment Videos

Does motor programming necessitate response execution?

A Osman1, S Kornblum, D E Meyer

  • 1Department of Psychology, University of California, San Diego, La Jolla 92093.

Journal of Experimental Psychology. Human Perception and Performance
|February 1, 1990
PubMed
Summary

Movement complexity impacts initiation time by altering motor program processes. Our findings suggest motor programming does not force execution, with the point of no return occurring late in information processing.

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Area of Science:

  • Cognitive Neuroscience
  • Motor Control
  • Human Movement Science

Background:

  • Movement initiation time is influenced by movement complexity.
  • This complexity is hypothesized to affect the duration of motor programming processes.
  • The relationship between motor programming and overt movement execution remains unclear.

Purpose of the Study:

  • To investigate whether motor programming necessitates the initiation of overt movement execution.
  • To determine if motor programming occurs before or after the 'point of no return' in information processing.

Main Methods:

  • Empirical procedures were employed to collect behavioral data.
  • Theoretical analysis was conducted to model information processing stages.
  • Processes before and after the 'point of no return' were analyzed separately.

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Main Results:

  • Changes in movement complexity primarily affected processes occurring before the 'point of no return'.
  • Motor programming processes were found to be separable from response execution.
  • The 'point of no return' was identified as occurring late in the information-processing sequence.

Conclusions:

  • Motor programming does not automatically trigger the execution of a movement.
  • The 'point of no return' for movement initiation is a late-stage process.
  • Understanding these stages is crucial for models of motor control and cognitive processing.