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Negative feedback influences auditory recognition: behavioral and event-related potential evidence
Nadine Kuelzow1, Doreen Nessler, Jessica Saenger
1Department of Biopsychology and Neuroergonomy, Institute of Psychology, University of Technology Berlin, Berlin, Germany.
Neuroreport
|June 10, 2010
Summary
Negative feedback impairs auditory recognition memory by disrupting recollection processes. This stress response shifts cognitive focus towards post-memory monitoring rather than familiarity.
Area of Science:
- Cognitive Neuroscience
- Psychology
- Neuroscience
Background:
- Stress, particularly from negative feedback, is known to impair memory recall.
- The specific neural mechanisms underlying this impairment in recognition memory remain largely unexplored.
Purpose of the Study:
- To investigate the neural correlates of stress-induced impairments in auditory recognition memory.
- To examine how negative feedback affects memory processes compared to positive feedback.
Main Methods:
- Participants underwent an auditory recognition test after receiving fake performance scores (negative or positive feedback) on a Tower-of-Hanoi task.
- Event-related potentials (ERPs) were measured to analyze brain activity during the memory test.
Main Results:
- Negative feedback led to slower reaction times for correctly rejecting new sounds.
- The positive-feedback group exhibited an early OLD/NEW effect (400-700 ms), indicating familiarity and recollection.
- The negative-feedback group displayed a late, sustained right-frontal OLD/NEW effect (>1100 ms), suggesting post-memory monitoring.
Conclusions:
- Negative feedback may impair recognition memory by disabling recollection processes.
- The observed late frontal effects in the negative-feedback group suggest a shift towards post-memory monitoring strategies.
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