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Modifying memory: selectively enhancing and updating personal memories for a museum tour by reactivating them
journal contribution
posted on 2023-06-08, 19:38 authored by Peggy L St Jacques, Daniel L SchacterMemory can be modified when reactivated, but little is known about how the properties and extent of reactivation can selectively affect subsequent memory. We developed a novel museum paradigm to directly investigate reactivation-induced plasticity for personal memories. Participants reactivated memories triggered by photos taken from a camera they wore during a museum tour and made relatedness judgments on novel photos taken from a different tour of the same museum. Subsequent recognition memory for events at the museum was better for memories that were highly reactivated (i.e., the retrieval cues during reactivation matched the encoding experience) than for memories that were reactivated at a lower level (i.e., the retrieval cues during reactivation mismatched the encoding experience), but reactivation also increased false recognition of photographs depicting stops that were not experienced during the museum tour. Reactivation thus enables memories to be selectively enhanced and distorted via updating, thereby supporting the dynamic and flexible nature of memory.
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Publication status
- Published
File Version
- Published version
Journal
Psychological ScienceISSN
0956-7976Publisher
SAGE PublicationsExternal DOI
Issue
4Volume
24Page range
537-543Department affiliated with
- Psychology Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2015-01-21First Compliant Deposit (FCD) Date
2015-01-21Usage metrics
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