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Extinction Training During the Reconsolidation Window Prevents Recovery of Fear
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Learning during simulation training is prone to retroactive interference.

Kristin Fraser1, Irene Ma, Elise Teteris

  • 1Office of Undergraduate Medical Education, University of Calgary, Calgary, Alberta, Canada.

Medical Education
|February 14, 2012
PubMed
Summary
This summary is machine-generated.

Retroactive interference negatively impacts medical simulation training. Introducing new content before testing recall of previously learned material hinders diagnostic performance in students.

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Area of Science:

  • Medical Education
  • Cognitive Psychology
  • Simulation-Based Learning

Background:

  • Retroactive interference occurs when new information impairs recall of prior knowledge.
  • This phenomenon affects various learning domains but is understudied in medical education and simulation.
  • Previous research indicates interference arises from learning new content before recall of original content.

Purpose of the Study:

  • To investigate the presence and impact of retroactive interference in medical simulation training.
  • To evaluate if learning a novel cardiac murmur affects recall of a previously trained murmur.

Main Methods:

  • 167 first-year medical students were randomized into two groups.
  • One group received non-interference training (trained murmur, then tested on trained and novel murmurs).
  • The other group received interference training (trained murmur, novel murmur, then tested on both). Performance was assessed at 1 hour and 6 weeks.

Main Results:

  • A significant interaction was found between training protocol and diagnostic performance.
  • Students in the non-interference group showed improved recall of the trained murmur (OR 4.96 at 1 hour, OR 4.23 at 6 weeks).
  • Students in the interference group showed no improved performance on the trained murmur (OR 0.56 at 1 hour, OR 0.66 at 6 weeks).

Conclusions:

  • Retroactive interference was confirmed in medical simulation training.
  • Encountering new material between training and evaluation impaired diagnostic performance.
  • Educators should consider interference effects when designing simulation curricula to optimize learning outcomes.