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Related Experiment Video

Updated: May 6, 2026

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Individual contributions to (re-)stabilizing interpersonal movement coordination.

C Lieke E Peper1, John F Stins, Harjo J de Poel

  • 1Research Institute MOVE, Faculty of Human Movement Sciences, VU University Amsterdam, The Netherlands.

Neuroscience Letters
|October 26, 2013
PubMed
Summary
This summary is machine-generated.

Individuals in a dyad equally stabilize shared movement patterns. Both arms adjust after a perturbation, showing bidirectional coupling and symmetrical contributions to coordination. This research offers new methods for studying interpersonal dynamics.

Keywords:
Coordination dynamicsInterpersonal coordinationJoint actionMovement stabilitySocial interactionSynchronization

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Area of Science:

  • Human movement science
  • Social neuroscience
  • Psychology

Background:

  • Interpersonal movement coordination relies on stable, shared patterns between individuals.
  • Understanding the contributions of each individual to maintaining this coordination is crucial.

Purpose of the Study:

  • To investigate the extent to which each individual in a dyad contributes to stabilizing a shared rhythmic movement pattern.
  • To analyze the dynamics of interpersonal coupling during perturbed coordination tasks.

Main Methods:

  • Dyads performed rhythmic lower arm movements in unison (in-phase or antiphase).
  • Mechanical perturbations were applied to one participant's arm to disrupt coordination.
  • Phase adaptations in both perturbed and unperturbed arms were analyzed to assess coupling.

Main Results:

  • Restabilization of coordination involved phase adaptations in both the perturbed and unperturbed arms.
  • Interpersonal coupling was found to be bidirectional, with both individuals contributing to stability.
  • The contributions to restabilization were nearly symmetrical between the two individuals.

Conclusions:

  • Bidirectional coupling between individuals is essential for maintaining stable interpersonal coordination.
  • Interpersonal coupling in this task was largely symmetrical, indicating shared control.
  • The methodology can be used to explore asymmetries in interpersonal coupling related to social factors.