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Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition
Published on: February 1, 2012
Oh, it's you again: memory interference from irrelevant emotional and neutral faces
Anne-Cécile Treese1, Mikael Johansson, Magnus Lindgren
1Department of Psychology, Lund University, Lund, Sweden. Anne-Cecile.Treese@psychology.lu.se
Cognition & Emotion
|August 10, 2011
Summary
Emotional and neutral memory interference was studied using a continuous recognition task. Repeated runs increased false alarms for emotional and neutral faces, suggesting memory interference from irrelevant salient information.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Memory Research
Background:
- Memory interference occurs when processing new information is affected by prior or subsequent information.
- Emotional stimuli can enhance memory but may also lead to interference due to heightened salience.
- Temporal context confusion arises when the timing of memory retrieval is disrupted.
Purpose of the Study:
- To investigate how irrelevant emotional and neutral memories interfere with recognition performance.
- To examine the role of memory salience in inducing interference.
- To determine if increasing task repetitions exacerbate memory interference.
Main Methods:
- Utilized a continuous recognition task with repeated runs in two experiments.
- Assessed healthy participants' false alarm rates for emotional and neutral faces.
- Manipulated the number of task repetitions (two runs vs. four runs).
Main Results:
- Participants exhibited increased false alarms for previously encountered emotional faces across both experiments.
- Initially, neutral faces were recognized accurately, but this changed with more repetitions.
- Temporal context confusion for neutral faces emerged in the second experiment with four runs.
Conclusions:
- Memory interference is influenced by the salience of irrelevant information, which can be mistakenly deemed diagnostic.
- Both emotional and neutral memories can contribute to interference under conditions of repeated exposure.
- The findings highlight the complex interplay between memory salience, task demands, and interference in recognition memory.
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