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Automaticity and preattentive processing.

A Treisman1, A Vieira, A Hayes

  • 1University of California, Berkeley.

The American Journal of Psychology
|January 1, 1992
PubMed
Summary
This summary is machine-generated.

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Automatized performance in visual search shares traits with preattentive processing. However, practice enhances search speed via specific memory traces, not new detectors or general procedures.

Area of Science:

  • Cognitive Psychology
  • Human Visual Perception
  • Experimental Psychology

Background:

  • Automatized performance in visual search tasks shares characteristics with preattentive processing, such as parallel processing and involuntary attention.
  • These shared characteristics include learning without awareness and the ability to time-share with other tasks.

Purpose of the Study:

  • To investigate the mechanisms underlying performance improvements in visual search tasks with extended practice.
  • To differentiate the effects of practice from those of preattentive processing.

Main Methods:

  • Utilized visual search tasks to examine the impact of extended practice on search rate.
  • Compared performance changes in feature search versus conjunction search conditions.

Related Experiment Videos

Main Results:

  • Extended practice leads to significant changes in search rate, suggesting mechanisms beyond preattentive processing.
  • Performance improvements are specific to the practiced stimuli and task, not due to new preattentive detectors or abstracted procedures.
  • Evidence suggests improved performance relies on accumulating distinct memory traces for each display experience.

Conclusions:

  • Automatized visual search performance improvements are driven by practice-specific mechanisms, likely involving memory trace accumulation.
  • The nature of these memory traces differs between feature search (global response sufficient) and conjunction search (stimulus individuation required).