Temporal dynamics of masked congruence priming

evidence from reaching trajectories

Jason Friedman, Matthew Finkbeiner

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

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Abstract

The masked congruence priming effect (MCE) has proven valuable in the investigation of nonconscious cognitive processes. While previous studies have used reaction time (RT) as the dependent variable, and found no difference between repeated primes (which also appear as targets) and novel primes (which do not appear as targets), this study, which had subjects point to the targets while the hand location is continually sampled, did find significant differences. Arm movements were decomposed into the summation of a number of submovements. The parameters describing these submovements were found to be different between repeated and novel primes. This novel method of analysis may provide an insight into the time course of the decision making process, and describes a feasible mechanism for how perceptual information can be transformed into motor plans at discrete times.
Original languageEnglish
Title of host publicationASCS09
Subtitle of host publicationproceedings of the 9th Conference of the Australasian Society for Cognitive Science
EditorsWayne Christensen, Elizabeth Schier, John Sutton
Place of PublicationNorth Ryde, NSW
PublisherMacquarie Centre for Cognitive Science
Pages98-105
Number of pages8
ISBN (Print)9780646529189
DOIs
Publication statusPublished - 2010
EventConference of the Australasian Society for Cognitive Science (9th : 2009) - Sydney
Duration: 30 Sep 20092 Oct 2009

Conference

ConferenceConference of the Australasian Society for Cognitive Science (9th : 2009)
CitySydney
Period30/09/092/10/09

Bibliographical note

Copyright 2009 by the Australasian Society for Cognitive Science. Publisher version archived with the permission of the Editor, ASCS09 : Proceedings of the 9th Conference of the Australasian Society for Cognitive Science. This copy is available for individual, non-commercial use. Permission to reprint/republish this version for other uses must be obtained from the publisher.

Keywords

  • masked priming
  • reaching
  • arm movements
  • submovements

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