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Related Experiment Video

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Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion
15:57

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion

Published on: May 4, 2011

Emotion, directed forgetting, and source memory.

Hajime Otani1, Terry M Libkuman, Phillip N Goernert

  • 1Department of Psychology, Central Michigan University, Mount Pleasant, MI 48859, USA.otani1h@cmich.edu

British Journal of Psychology (London, England : 1953)
|July 19, 2012
PubMed
Summary
This summary is machine-generated.

Negative emotions impair source memory, making it harder to recall details about negative items. This study used directed forgetting (DF) to examine how emotion affects memory recall and item source accuracy.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • Emotion significantly influences memory processes.
  • Directed forgetting (DF) is a paradigm used to study memory control.

Purpose of the Study:

  • To investigate the impact of emotional arousal on item memory and source memory.
  • To determine if negative emotions impair the ability to distinguish between remembered and forgotten items.

Main Methods:

  • Utilized the item method of directed forgetting (DF) paradigm.
  • Participants viewed negatively arousing, positively arousing, and neutral pictures.
  • Recall and source accuracy for remember (R) and forget (F) items were assessed.

Main Results:

  • Recall was highest for negatively arousing pictures.
  • Directed forgetting (DF) effects were observed for neutral and positive pictures, but not for negative pictures.
  • Negative pictures, especially violent ones, led to more source memory misattribution errors.

Conclusions:

  • Negative emotion may impair source memory, potentially due to similar memory strengths for R and F items.
  • The findings suggest negative emotion hinders the ability to differentiate between to-be-remembered and to-be-forgotten information.
  • Further research is needed to clarify whether source memory impairment occurs during encoding or retrieval.