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Emotion-enhanced source memory: effects of age and experimental setting.

Nikoletta Symeonidou1

  • 1Department of Psychology, School of Social Sciences, University of Mannheim, Mannheim, Germany.

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Older adults show enhanced source memory for emotional information in lab settings, but this effect disappears in online studies. Younger adults did not show this memory benefit in either setting.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Memory

Background:

  • Source memory, the ability to recall contextual details of a memory, is crucial for everyday functioning.
  • Age-related differences in memory are well-documented, with older adults often showing declines in certain memory domains.
  • Socio-emotional information is known to capture attention and may be preferentially processed, potentially influencing memory.

Purpose of the Study:

  • To investigate age-related differences in source memory for socio-emotional versus neutral information.
  • To compare findings from a controlled laboratory setting with those from an online experimental environment.
  • To determine if the emotional content of a source influences memory recall in younger and older adults.

Main Methods:

  • Two experiments were conducted: one in a lab and one online, involving younger and older adult participants.
  • Participants encoded neutral faces presented with positive, negative, or neutral scene backgrounds.
  • Memory was assessed using a multinomial model to differentiate between item and source memory accuracy.

Main Results:

  • Across both experiments, participants perceived faces as less pleased on negative scenes and more pleased on positive scenes.
  • Older adults tested in the lab showed a positivity bias in their perceptions, which was not observed in the online sample.
  • Younger adults did not exhibit enhanced source memory for emotional sources in either setting.
  • Older adults tested in the lab demonstrated improved source memory for emotional (especially positive) sources, a benefit absent in the online experiment.

Conclusions:

  • The enhanced source memory for emotional stimuli observed in older adults is context-dependent and may not generalize to online research settings.
  • Factors such as compliance and distractibility in online environments might explain the discrepancies in findings between lab and online studies.
  • Future research should carefully consider the methodological differences between lab-based and online memory experiments.