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Related Experiment Videos

Articulatory constraints on interpersonal postural coordination.

Kevin Shockley1, Aimee A Baker, Michael J Richardson

  • 1Department of Psychology, University of Cincinnati, Cincinnati, OH 45221-0376, USA. kevin.shockley@uc.edu

Journal of Experimental Psychology. Human Perception and Performance
|February 22, 2007
PubMed
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Cooperative conversation enhances interpersonal postural coordination. This coordination is driven by how people

Area of Science:

  • Psychology
  • Linguistics
  • Biomechanics

Background:

  • Cooperative conversation is known to promote interpersonal postural coordination.
  • The underlying mechanisms, particularly the role of articulation on postural sway, require further investigation.

Purpose of the Study:

  • To investigate if articulation influences postural sway during conversation.
  • To determine if speaking patterns mediate interpersonal postural coordination.

Main Methods:

  • Experiment 1: Varied speaking rate and word similarity (synchrony vs. alternation) while measuring postural sway.
  • Experiment 2: Compared postural activity when participants spoke identical words or words with similar stress patterns, with partner vs. non-partner data.

Main Results:

Related Experiment Videos

  • Faster speaking rates led to greater shared postural activity.
  • Speaking the same or similar words increased shared postural activity, but only when compared with a present partner.
  • No increase in shared postural activity was observed when compared with data from a different pair.

Conclusions:

  • Interpersonal postural coordination during conversation is mediated by convergent speaking patterns.
  • The findings highlight the link between vocal articulation and bodily synchrony in social interactions.