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Communicative knowledge pervasively influences sensorimotor computations.

Anke Murillo Oosterwijk1,2, Miriam de Boer3, Arjen Stolk4

  • 1Radboud University, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands. a.murillooosterwijk@donders.ru.nl.

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|June 29, 2017
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Summary
This summary is machine-generated.

Human referential pointing adapts dynamically. Pointing trajectories are tailored based on communicative context and partner-specific knowledge, demonstrating complex cognitive control beyond simple motor routines.

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Area of Science:

  • Cognitive Science
  • Neuroscience
  • Human Communication

Background:

  • Referential pointing is a uniquely human behavior linking sensorimotor and conceptual systems.
  • Understanding the planning and control of pointing requires examining its interaction with communicative intent.

Purpose of the Study:

  • To investigate whether referential pointing trajectories are modulated by communicative context and partner-specific information.
  • To compare a simple model of ostensive cues with a complex model where communicative knowledge influences motor control.

Main Methods:

  • Motion analyses of referential pointing in multi-agent interactions.
  • Observational study comparing pointing behaviors across different communicative situations.

Main Results:

  • Communicators produced ostensive cues sensitive to the communicative context.
  • Pointing trajectories showed significant adaptations based on context and partner-specific information.

Conclusions:

  • Human referential pointing is not merely a motor routine tagged with cues.
  • Pointing is actively planned and controlled using partner-specific knowledge, indicating a deep integration of cognition and action.