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Title Cell Encapsulation by Droplets
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Talking while looking: on the encapsulation of output system representations.

Lynn Huestegge1, Aleksandra Pieczykolan1, Iring Koch2

  • 1Institute of Psychology, University of Würzburg, Würzburg, Germany; Institute of Psychology, RWTH Aachen University, Aachen, Germany.

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|July 9, 2014
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Summary

Cognitive representations of output domains are not strongly encapsulated, showing significant interference and crosstalk between simultaneous oculomotor and vocal responses. This suggests interdependencies are shaped by processing content, not strict modularity.

Keywords:
CrosstalkDual-task interferenceEncapsulationModularitySaccadic eye movementsVocal responses

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Area of Science:

  • Cognitive psychology
  • Neuroscience
  • Human-computer interaction

Background:

  • Theories of cognitive modularity often assume distinct functional modules in the mind.
  • Previous research primarily explored modularity in input domains (e.g., vision) and central cognitive processes.
  • This study investigates the encapsulation of cognitive representations within output domains.

Purpose of the Study:

  • To determine the extent to which output domain representations are encapsulated.
  • To examine interference between simultaneous oculomotor and vocal action demands.
  • To assess the influence of stimulus modality and dimensional overlap on response encapsulation.

Main Methods:

  • Comparison of single-response versus dual-response performance.
  • Experiments manipulating stimulus modality and dimensional overlap between response requirements.
  • Analysis of performance costs and crosstalk between oculomotor and vocal responses.

Main Results:

  • Significant performance costs were observed for dual-response demands across various conditions.
  • Dimensional overlap and shared spatial codes facilitated beneficial crosstalk (response-code priming) between output domains.
  • Results indicate a lack of strong encapsulation in output system representations.

Conclusions:

  • Cognitive representations of output domains are not strongly encapsulated.
  • Interdependencies between output domains are influenced by processing content.
  • Findings challenge strict modularity assumptions for action planning and execution.