Sensitivity of the hippocampus to objective but not subjective episodic memory judgments

Preston P. Thakral, Sarah S. Yu, Michael D. Rugg

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We assessed whether neural activity in the hippocampus dissociates according to whether memory test items elicit a subjective sense of recollection or accurate retrieval of contextual information. We reanalyzed a previously acquired dataset from a study in which participants made both objective (source memory for spatial context) and subjective (Remember-Know) judgments for each test item. Results indicated that the hippocampus was exclusively sensitive to the amount of contextual information retrieved, such that accurate source memory judgments were associated with greater activity than inaccurate judgments, regardless of Remember/Know status. The findings add to the evidence that the hippocampus is insensitive to the subjective experience of recollection, but supports retrieval of contextual information.
Original languageEnglish
Pages (from-to)165-170
Number of pages6
JournalCognitive Neuroscience
Issue number3-4
Early online date11 Feb 2022
Publication statusPublished - Nov 2022

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