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On the role of retrieval processes in the survival processing effect: Evidence from ROC and ERP analyses.

08:00 EDT 3rd September 2019 | BioPortfolio

Summary of "On the role of retrieval processes in the survival processing effect: Evidence from ROC and ERP analyses."

Memory is enhanced for words encoded in the context of an imagined survival scenario, an effect modulated by word imageability or concreteness. However, the mechanisms underlying this "survival processing effect" are still controversial. To address this issue, we used receiver operating characteristic (ROC) curves and event-related potentials (ERPs) to examine the recognition retrieval processes associated with words previously encoded in either a survival or a control scenario. More specifically, we investigated how recollection- and familiarity-based retrieval are influenced by survival processing of high- and low-imageability words. Participants incidentally encoded words and then completed a surprise recognition test while their EEG was recorded. The encoding of concrete, high-imageability words in a survival context lead to improved recognition memory compared to the control context, and this improvement was associated with an increase in both the ROC and ERP measures of recollection-based memory retrieval. Survival processing was also associated with an increase in the ERP familiarity signal for these words, but the ROC analysis indicated that recognition judgments relied upon recollection rather than familiarity. These findings provide evidence that survival processing increases elaboration during encoding, leading to greater recollection at retrieval and, in turn, enhanced memory.

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This article was published in the following journal.

Name: Neurobiology of learning and memory
ISSN: 1095-9564
Pages: 107083

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