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Related Experiment Video

Updated: Jul 3, 2026

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

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Published on: May 3, 2018

The learning of two similar complex movement sequences: does practice insulate a sequence from interference?

Stefan Panzer1, Charles H Shea

  • 1Department of Human Movement Science, University of Leipzig, 04109 Leipzig, Jahnallee 59, Germany.

Human Movement Science
|July 22, 2008
PubMed
Summary
This summary is machine-generated.

Practicing a complex movement sequence for two days prevented memory overwriting by a similar new sequence. Prior practice also unexpectedly improved learning of the new sequence.

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Area of Science:

  • Motor learning
  • Cognitive psychology
  • Neuroscience

Background:

  • Previous research indicated that practicing one complex movement sequence could be overwritten by learning a similar sequence.
  • Motor memory consolidation is susceptible to interference from newly learned information.

Purpose of the Study:

  • To investigate if extended practice of a motor sequence protects it from retroactive interference.
  • To examine the proactive effects of practicing one sequence on the learning of a subsequent, similar sequence.

Main Methods:

  • Participants practiced a 16-element movement sequence (S1) for two days.
  • A second, similar 16-element sequence (S2) was introduced on Day 3.
  • Movement sequences were produced by manipulating a lever with the right arm to target locations.

Main Results:

  • Extended practice of S1 eliminated retroactive interference when learning S2.
  • Prior practice of S1 facilitated the acquisition and retention of S2.
  • This suggests a protective and facilitative role of extended motor practice.

Conclusions:

  • Two days of practice consolidate motor memory, preventing interference from similar sequences.
  • Learning a new motor sequence can be enhanced by prior practice of a related sequence.
  • Motor learning involves complex interactions between proactive and retroactive interference effects.