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Related Experiment Videos

False memory in a short-term memory task.

Jennifer H Coane1, Dawn M McBride, Bascom A Raulerson

  • 1Washington University in Saint Louis, MO 63130, USA. jhcoane@artsci.wustl.edu

Experimental Psychology
|March 8, 2007
PubMed
Summary
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The Deese/Roediger-McDermott (DRM) paradigm shows that false memories can occur in short-term memory. Latency data helps differentiate true and false memories in these tasks.

Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • The Deese/Roediger-McDermott (DRM) paradigm is a well-established method for inducing false memories.
  • Previous research primarily focused on recognition tasks, leaving short-term memory implications less explored.

Purpose of the Study:

  • To investigate the occurrence of false memories within short-term memory tasks using the DRM paradigm.
  • To evaluate the utility of response latency data in distinguishing true and false memories.

Main Methods:

  • Utilized a Sternberg task with DRM word lists of varying sizes (three, five, or seven items).
  • Subjects studied list items and responded to a single probe, with reaction times recorded.
  • Analyzed both recognition accuracy and response latencies for studied items, critical lures, and unrelated items.

Related Experiment Videos

Main Results:

  • Critical lures (nonpresented words) were falsely recognized more frequently than weak associates.
  • Correct rejections of critical lures were slower than those of weakly related items.
  • False alarms to critical lures exhibited longer latencies compared to hits for studied items.

Conclusions:

  • False memories, as elicited by the DRM paradigm, are observable in short-term memory tasks.
  • Response latency data provides a valuable metric for differentiating veridical (true) and false memories.
  • Findings support activation-monitoring models of false memory formation.