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

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.