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Related Experiment Video

Updated: Dec 11, 2025

Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory
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Individual differences impact memory for a crime: A study on executive functions resources.

Fabiana Battista1, Henry Otgaar2, Tiziana Lanciano3

  • 1University of Bari "Aldo Moro", Bari, Italy; Leuven Institute of Criminology, Catholic University of Leuven, Belgium.

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Individuals with higher executive functions (EF) recall crime details more accurately. Better EF, including shifting, inhibition, and updating, leads to fewer memory errors in eyewitness testimonies.

Keywords:
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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Memory Research

Background:

  • Memory accuracy is influenced by cognitive resource availability.
  • Executive functions (EF) play a critical role in complex cognitive processes.

Purpose of the Study:

  • To investigate the relationship between executive functions (EF) and eyewitness memory accuracy.
  • To determine if varying levels of EF (Shifting, Inhibition, Updating) impact the recall of crime details.

Main Methods:

  • Participants watched a violent crime video.
  • Eyewitness testimonies were collected, followed by a memory test after ten days.
  • Executive functions were assessed using three neuropsychological tasks.

Main Results:

  • Individuals with high EF reported more accurate details compared to those with low EF.
  • Higher EF was associated with fewer memory distortions, including omissions and commissions.
  • EF availability significantly impacts the precision of recalled event information.

Conclusions:

  • Individual differences in executive functions are crucial for accurate event recall.
  • EF resources are implicated in the detailed and accurate recollection of witnessed events.
  • This study highlights the importance of cognitive resources in forensic memory evaluations.