Journal
NEUROPSYCHOLOGIA
Volume 42, Issue 1, Pages 2-13Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuropsychologia.2003.07.006
Keywords
prefrontal; inferior; frontal; hippocampus; parahippocampal; rhinal; perirhinal; medial; temporal; long-term; episodic; memory encoding; subsequent; fMRI; neuroimaging; human
Funding
- NIA NIH HHS [AG15793, AG05863] Funding Source: Medline
- NIMH NIH HHS [MH59352, MH63901] Funding Source: Medline
- NATIONAL INSTITUTE OF MENTAL HEALTH [R01MH063901, R01MH059352] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON AGING [F32AG005863, R01AG015793] Funding Source: NIH RePORTER
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Regions in the medial temporal lobes (MTL) have long been implicated in the formation of new memories for events, however, it is unclear whether different MTL subregions support different memory processes. Here, we used event-related functional magnetic resonance imaging (fMRI) to examine the degree to which two recognition memory processes-recollection and familiarity-were supported by different MTL subregions. Results showed that encoding activity in the rhinal cortex selectively predicted familiarity-based recognition, whereas, activity in the hippocampus and posterior parahippocampal cortex selectively predicted recollection. Collectively, these results support the view that different subregions within the MTL memory system implement unique encoding processes that differentially support familiarity and recollection. (C) 2003 Elsevier Ltd. All rights reserved.
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