Journal
TRENDS IN COGNITIVE SCIENCES
Volume 18, Issue 6, Pages 279-292Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tics.2014.03.002
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Funding
- UK Medical Research Council [MC-A060-5PR00]
- Deutsche Forschungsgemeinschaft [HA 5622/1-1]
- Medical Research Council [MC_U105597121] Funding Source: researchfish
- MRC [MC_U105597121] Funding Source: UKRI
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Not all memories are equally welcome in awareness. People limit the time they spend thinking about unpleasant experiences, a process that begins during encoding, but that continues when cues later remind someone of the memory. Here, we review the emerging behavioural and neuroimaging evidence that suppressing awareness of an unwelcome memory, at encoding or retrieval, is achieved by inhibitory, control processes mediated by the lateral prefrontal cortex. These mechanisms interact with neural structures that represent experiences in memory, disrupting traces that support retention. Thus, mechanisms engaged to regulate momentary awareness introduce lasting biases in which experiences remain accessible. We argue that theories of forgetting that neglect the motivated control of awareness omit a powerful force shaping the retention of our past.
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