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Related Experiment Videos

Partial report: iconic store or two buffers?

S L Chow1

  • 1Department of Psychology, University of Regina, Saskatchewan, Canada.

The Journal of General Psychology
|April 1, 1991
PubMed
Summary
This summary is machine-generated.

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Selective letter recall degrades over time, influenced by location cues and guessing strategies. Findings challenge some dual-buffer models, supporting the orthodox iconic store view for visual memory.

Area of Science:

  • Cognitive Psychology
  • Human Memory Research

Background:

  • Selective recall from visual displays decreases with delayed cues.
  • Understanding the mechanisms of visual short-term memory is crucial.

Purpose of the Study:

  • Investigate whether recall decline results from location or feature information loss.
  • Determine if partial report involves selecting then identifying or vice versa.

Main Methods:

  • Manipulated delay of partial report cue.
  • Instructed subjects on guessing strategies.
  • Varied emphasis on recall location.
  • Altered interstimulus interval.

Main Results:

  • Recall decline linked to location and feature information processing.

Related Experiment Videos

  • Guessing and location emphasis impacted intra- and extra-array errors.
  • Interstimulus interval affected both error types.
  • Results challenge dual-buffer models, aligning with iconic store theory.

    • Conclusions:

    • Visual short-term memory decline involves both location and feature degradation.
    • Partial report processes are complex and influenced by task demands.
    • The orthodox iconic store model better explains observed memory phenomena than dual-buffer models.