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Related Experiment Videos

Tactile selective attention and temporal masking

J C Craig1, P M Evans

  • 1Department of Psychology, Indiana University, Bloomington, IN 47405, USA.

Perception & Psychophysics
|May 1, 1995
PubMed
Summary
This summary is machine-generated.

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Nontarget stimuli interfere with target identification, especially when presented after the target. This suggests response competition, not priming, drives interference and may explain temporal masking in selective attention.

Area of Science:

  • Cognitive psychology
  • Neuroscience
  • Human sensory perception

Background:

  • Selective attention involves processing target stimuli while ignoring nontarget stimuli.
  • Interference in selective attention is often linked to competing responses elicited by nontargets.
  • The role of response priming versus response competition in this interference requires further investigation.

Purpose of the Study:

  • To investigate the temporal dynamics of nontarget-elicited competing responses in selective attention.
  • To determine if nontargets prime competing responses and to what extent.
  • To explore the relationship between selective attention interference and temporal masking.

Main Methods:

  • Participants identified target stimuli presented to one fingerpad while nontarget stimuli were presented to a second fingerpad.

Related Experiment Videos

  • The temporal interval between target and nontarget stimuli was systematically varied.
  • A second experiment examined temporal masking using stimuli presented to the same fingerpad.

    • Main Results:

    • Interference was greater when the nontarget stimulus followed the target stimulus compared to when it preceded it.
    • The temporal function of interference did not support a priming explanation but was consistent with response competition.
    • Temporal masking functions were similar to those observed in the selective attention task.

    Conclusions:

    • Response competition, rather than priming, appears to be a significant factor in the interference observed in selective attention tasks.
    • The findings suggest that response competition plays a crucial role in temporal masking.
    • Similar underlying processes may govern both temporal masking and selective attention mechanisms.