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Related Experiment Video

Updated: Jan 2, 2026

Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses
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Temporal Structure in Haptic Signaling Under a Cooperative Task.

Nicolas Thorne1, Juliane J Honisch2, Toshiyuki Kondo3

  • 1Division of Biomedical Sciences and Biomedical Engineering, School of Biological Sciences, University of Reading, Reading, United Kingdom.

Frontiers in Human Neuroscience
|December 13, 2019
PubMed
Summary

Synchronized haptic communication in cooperative tasks shows distinct temporal patterns compared to individual actions. This suggests that shared physical interactions may be fundamental to the evolution of complex communication like language.

Keywords:
Tsallis entropycooperative taskhaptic (tactile) perceptionjoint actionlong range correlationsproto-languagetemporal correlations

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Area of Science:

  • Human-computer interaction
  • Cognitive science
  • Neuroscience

Background:

  • Haptic communication is vital in society, yet the cognitive mechanisms behind synchronized motion in interpersonal interactions remain poorly understood.
  • Understanding how coordinated physical actions contribute to higher-order cognitive functions, particularly in communication, is a significant research gap.

Purpose of the Study:

  • To investigate the temporal structures of haptic signals during cooperative tasks.
  • To compare haptic interactions in paired participants versus single participants performing a coin-collecting task.
  • To explore the potential link between haptic communication patterns and the evolution of language.

Main Methods:

  • Developed a novel coin-collecting task where participants jointly controlled a rod.
  • Recorded and analyzed haptic interactions, translating forces into discrete haptic states and signals.
  • Classified temporal patterns of haptic signals using a Tsallis q-exponential function for both single and paired participants.

Main Results:

  • Haptic signals from paired participants showed significantly better fit (80%) to the Tsallis q-exponential function compared to single participants (30%).
  • Paired participants utilized a broader range of haptic signals (over half) than single participants (one-quarter).
  • A clear distinction in temporal signal structures was observed between cooperative and individual task performance.

Conclusions:

  • Coordinated haptic interactions in cooperative tasks exhibit unique temporal dynamics not present in solitary actions.
  • The complexity and structure of haptic signals increase during interpersonal collaboration.
  • These findings suggest that the temporal organization of haptic communication may be an evolutionary precursor to language.