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Related Experiment Videos

What was where? Memory for object locations

A Postma1, E H De Haan

  • 1Department of Psychonomics, Utrecht University, Netherlands.

The Quarterly Journal of Experimental Psychology. A, Human Experimental Psychology
|February 1, 1996
PubMed
Summary
This summary is machine-generated.

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Short-term memory involves distinct processes for mapping object positions and assigning objects to locations. Articulatory suppression and object number impact these spatial memory functions differently.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Experimental Psychology

Background:

  • Short-term memory research explores how individuals retain and manipulate information over brief periods.
  • Understanding object location memory is crucial for cognitive models of spatial processing and working memory.

Purpose of the Study:

  • To investigate the distinct cognitive processes involved in short-term memory for object location.
  • To examine how factors like object quantity and articulatory suppression influence spatial memory performance.

Main Methods:

  • Three experiments utilized stimulus displays with varying numbers and types of objects, presented for 30 seconds.
  • Participants performed tasks requiring object relocation, position reconstruction, or object-to-position assignment.

Related Experiment Videos

  • Concurrent articulatory suppression was employed in half of the trials across all experiments.

    • Main Results:

    • Evidence supports a two-process hypothesis for object location memory: one for positional mapping and another for object-to-position assignment.
    • These two processes are differentially affected by the number of objects and the presence of articulatory suppression.
    • Articulatory suppression specifically impacts the object-to-position assignment process.

    Conclusions:

    • Short-term memory for object location is not a unitary function but comprises separable mapping and assignment processes.
    • These findings align with theoretical frameworks like Baddeley's working memory model and Kosslyn's categorical/coordinate spatial relations distinction.
    • The study elucidates the complex interplay between verbal interference and spatial memory mechanisms.