Mood-congruent false memories persist over time

Area of Science:

• Cognitive Psychology
• Memory Studies
• Affective Science

Background:

• False memories can be influenced by emotional states.
• Previous studies show mood-congruent memory enhancement in immediate recall.
• The persistence of this effect over longer periods is less understood.

Purpose of the Study:

• To investigate the role of mood-congruency on false recognition.
• To examine the persistence of mood-congruent false memories over a one-week delay.
• To explore the influence of negative versus neutral moods on memory for emotional stimuli.

Main Methods:

• Utilized the Deese/Roediger-McDermott (DRM) paradigm with emotional and neutral word lists.
• Induced negative or neutral mood states in participants.
• Administered both immediate and delayed (one-week) recognition tests.

Main Results:

• A negative mood state significantly increased "remember" judgments for negative-emotion critical lures compared to neutral ones.
• This mood-congruent false memory effect was observed in both immediate and delayed testing.
• No significant difference was found between immediate and delayed testing for the mood-congruent effect.

Conclusions:

• Mood-congruency enhances false recognition of emotional items, and this effect is persistent over a one-week retention interval.
• Findings support theories of spreading activation and emotion-enhanced memory.
• Results have implications for understanding memory biases in forensic contexts.