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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Motor Control

Background:

  • Action episodes are linked to coincident stimuli for retrieval.
  • Reaction time (RT) advantages in stimulus-action binding tasks are well-established.
  • Continuous response features (force, duration) show mixed results in binding/retrieval studies.

Purpose of the Study:

  • To resolve discrepancies between RT and continuous measures in binding/retrieval.
  • To investigate confounds affecting RT measures in these tasks.
  • To identify conditions enhancing effects on continuous response features.

Main Methods:

  • Two experiments were conducted to examine reaction time and continuous response features.
  • Experiment 1 assessed potential inflation of RT differences by auditory change detection.
  • Experiment 2 explored conditions eliciting strong effects on continuous measures.

Main Results:

  • Auditory change detection confounds did not inflate RT differences, supporting binding/retrieval interpretations.
  • Continuous response features showed significant effects when task-relevant and variable.
  • Binding and retrieval effects extend beyond binary decisions to continuous motor actions.

Conclusions:

  • Reaction time advantages in binding/retrieval tasks are robust and not due to auditory confounds.
  • Continuous motor response features are also subject to stimulus-action binding and retrieval.
  • Findings support and extend binding/retrieval theories to complex motor behavior.