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Related Experiment Video

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New Variations for Strategy Set-shifting in the Rat
09:45

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Published on: January 23, 2017

Defining task-set reconfiguration: the case of reference point switching.

Darryl W Schneider1, Gordon D Logan

  • 1Department of Psychology, Vanderbilt University, Nashville, Tennessee 37203, USA. darryl.schneider@vanderbilt.edu

Psychonomic Bulletin & Review
|June 5, 2007
PubMed
Summary

Task switching involves reconfiguring task sets, changing a reference point to perform new tasks. This reconfiguration process leads to observable switch costs in cognitive tasks.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Factors

Background:

  • Task switching is often conceptualized as task-set reconfiguration.
  • The precise nature of what is reconfigured and the involved processes remain unclear.

Purpose of the Study:

  • To define task sets and identify differences between them.
  • To gather evidence diagnostic of task-set reconfiguration during task switching.
  • To clarify the processes involved in cognitive reconfiguration.

Main Methods:

  • Two experiments were conducted using relative judgment tasks.
  • Participants compared a target to a reference point that either repeated or switched across trials.
  • Analysis focused on target-reference point distance effects in relation to reference point changes.

Main Results:

  • Switching the reference point, a task-set parameter, demonstrated diagnostic evidence of reconfiguration.
  • This reconfiguration process was directly linked to the occurrence of switch costs.
  • Target-reference point distance effects varied predictably with reference point changes, supporting reconfiguration.

Conclusions:

  • Task-set reconfiguration is a key component of task switching.
  • The study provides a framework for defining and identifying reconfiguration in various task-switching paradigms.
  • Understanding reconfiguration offers clearer insights into cognitive control and task performance.