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Related Experiment Video

Updated: May 8, 2026

The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task
10:39

The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task

Published on: May 3, 2018

Motor programming within a sequence of responses.

S T Klapp1, E Patrick Wyatt

  • 1a Department of Psychology , California State University, Hayward.

Journal of Motor Behavior
|August 20, 2013
PubMed
Summary
This summary is machine-generated.

Response programming time influences reaction time. Even for short sequences, later parts of a response are programmed after initiation, affecting response timing.

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Area of Science:

  • Cognitive Psychology
  • Motor Control
  • Human Factors

Background:

  • Choice reaction time (CRT) is influenced by the nature of the upcoming motor response.
  • This influence is often attributed to response programming time.
  • Programming time effects diminish with longer response sequences, suggesting delayed programming.

Purpose of the Study:

  • To investigate response programming within a sequence of motor responses.
  • To determine if programming is postponed until after response initiation.
  • To examine the influence of terminal response characteristics on programming.

Main Methods:

  • Participants performed sequences of two Morse Code responses.
  • Reaction time (RT) to the initial response was measured.
  • Interval durations within the response sequence were analyzed.
  • The effect of the terminal response (dit vs. dah) was examined.

Main Results:

  • Initial reaction time was unaffected by the terminal response.
  • Programming of the terminal response was evident in altered interval durations.
  • The interval duration increased when the terminal response was 'dah' compared to 'dit'.

Conclusions:

  • Response programming can be postponed until after sequence initiation.
  • Delayed programming influences the timing of motor response sequences.
  • Understanding programming delays is crucial for models of motor control.