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End-state comfort meets pre-crastination.

David A Rosenbaum1, Kyle S Sauerberger2

  • 1Department of Psychology, University of California, Riverside, CA, 92521, USA. david.rosenbaum@ucr.edu.

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|January 10, 2019
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Summary
This summary is machine-generated.

Motor planning involves end-state comfort and pre-crastination. This study shows both aiming-related behaviors exist, with pre-crastination also driven by a desire for early task completion.

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Area of Science:

  • Cognitive Psychology
  • Motor Control
  • Human Movement Science

Background:

  • Motor planning research presents conflicting phenomena: end-state comfort (prioritizing final posture) and pre-crastination (hastening task completion).
  • End-state comfort emphasizes task outcomes, while pre-crastination appears to focus on task initiation.

Purpose of the Study:

  • To resolve the apparent conflict between end-state comfort and pre-crastination.
  • To investigate if both phenomena are linked to motor planning and aiming.
  • To test these effects within a unified task paradigm.

Main Methods:

  • Participants performed a single walk-and-grasp task designed to elicit both end-state comfort and pre-crastination.
  • Experimental manipulations varied demands on aiming to assess their influence on both behaviors.

Main Results:

  • Demands on aiming influenced both end-state comfort and pre-crastination.
  • Pre-crastination was not entirely explained by changes in aiming demands, suggesting other factors are involved.

Conclusions:

  • End-state comfort and pre-crastination are both related to motor planning and aiming.
  • Pre-crastination is further characterized by an underlying drive to expedite the beginning of a task.