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  3. Emotional Valence Boosts Partial And Specific Source Memory.
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  3. Emotional Valence Boosts Partial And Specific Source Memory.

Related Experiment Video

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion
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Emotional valence boosts partial and specific source memory.

Nikoletta Symeonidou1, Maria Lee2, Beatrice G Kuhlmann2

  • 1Department of Psychology, School of Social Sciences, University of Mannheim, 68161, Mannheim, Germany. nsymeoni@mail.uni-mannheim.de.

Psychonomic Bulletin & Review
|April 2, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

Emotional memory enhances both general source categories and specific details. This study found positive sources improved specific memory more than negative sources, suggesting a positivity effect in memory recall.

Keywords:
Emotion-enhanced memoryMultinomial modelingPartial source memorySpecific source memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • Source memory is crucial for contextual understanding.
  • Emotional valence of sources influences memory recall, but the specifics are debated.

Purpose of the Study:

  • To investigate whether emotional enhancement of source memory affects general categories or specific details.
  • To differentiate between partial and specific source memory using multinomial modeling.

Main Methods:

  • Participants (N=67) encoded neutral words with positive, negative, or neutral images (matched for arousal).
  • A multinomial modeling approach was used to analyze memory performance.
  • Testing involved identifying the specific source image or marking the word as new.

Main Results:

  • Both partial (valence category) and specific (image) source memory were enhanced for emotional sources compared to neutral ones.
  • Specific source memory was significantly higher for positive than negative sources (positivity effect).

Conclusions:

  • Emotionality of sources enhances recollection of both general valence categories and specific details.
  • A positivity effect exists in specific source memory, possibly due to stimulus properties.
  • Findings clarify the mechanisms of emotion-enhanced source memory and suggest future research directions.