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Related Experiment Videos

Inhibited prime-trial distractor responses solely produce the visual spatial negative priming effect.

Eric Buckolz1, Cameron Edgar, Ben Kajaste

  • 1School of Kinesiology, Faculty of Health Sciences, The University of Western Ontario, London, Ontario, Canada. ebuckolz@uwo.ca

Attention, Perception & Psychophysics
|September 11, 2012
PubMed
Summary

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Spatial negative priming (SNP) occurs when responding to a previously ignored location is slower. This study found that response inhibition, not location inhibition, causes SNP, especially with uninformative cues.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Factors

Background:

  • The spatial negative priming (SNP) effect describes slower reaction times when responding to a previously ignored location.
  • The underlying cause of SNP, whether inhibition of the location or the associated response, remains debated.
  • Investigating the locus of SNP is crucial for understanding attentional and response selection mechanisms.

Purpose of the Study:

  • To determine whether SNP arises from inhibiting a spatial location or an associated motor response.
  • To examine the influence of response cue informativeness on the SNP effect.
  • To explore the role of many-to-one location-to-response mapping in modulating inhibitory aftereffects.

Main Methods:

  • Utilized a spatial negative priming paradigm with centrally presented visual stimuli.

Related Experiment Videos

  • Employed a many-to-one location-to-response mapping to dissociate location and response inhibition.
  • Manipulated probe trial response cue validity (informative vs. uninformative).

    • Main Results:

    • Inhibitory aftereffects, consistent with SNP, were observed following uninformative response cues, linked to response inhibition.
    • Location inhibition did not appear to cause significant inhibitory aftereffects.
    • When a valid response cue was provided for a previously used distractor response, inhibitory aftereffects were eliminated.

    Conclusions:

    • Response inhibition, rather than location inhibition, is the primary driver of the spatial negative priming effect.
    • The informativeness of response cues significantly modulates inhibitory aftereffects.
    • Blocked retrieval of distractor-processing representations may prevent inhibitory aftereffects under specific conditions.