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Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
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Viewpoint in the Visual-Spatial Modality: The Coordination of Spatial Perspective.

Jennie E Pyers1, Pamela Perniss2, Karen Emmorey3

  • 1Wellesley College, Psychology Department, Wellesley, MA 02481, USA.

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|March 17, 2016
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This summary is machine-generated.

Sign languages conventionally establish viewpoint for spatial relations. Language acquisition enables non-egocentric interpretation, suggesting cognitive efficiency in visual communication.

Keywords:
Spatial languagegesturesign languageviewpoint

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Area of Science:

  • Linguistics
  • Cognitive Science
  • Psychology

Background:

  • Sign languages use iconic gestures for spatial relations.
  • Conventionalizing viewpoint (signer's vs. perceiver's) is crucial for clarity.

Purpose of the Study:

  • Investigate viewpoint convergence in American Sign Language (ASL).
  • Determine if language conventionalization impacts spatial relation interpretation.
  • Analyze cognitive costs associated with viewpoint adoption.

Main Methods:

  • Experiment 1: ASL signers and non-signers described and interpreted spatial relations.
  • Experiment 2: Assessed cognitive load for producers and perceivers adopting non-egocentric viewpoints.

Main Results:

  • ASL signers interpreted spatial relations non-egocentrically, unlike non-signers.
  • Producing non-egocentric spatial descriptions incurred a higher cognitive cost than perceiving them.

Conclusions:

  • Viewpoint convergence in visual language emerges with sign language conventionalization.
  • Sign languages adopt cognitively efficient strategies for spatial expression.
  • Visual perspective-taking and motor embodiment may influence viewpoint convergence.