Abstract：
:Dual-process models of recognition memory distinguish between the retrieval of qualitative information about a prior event (recollection), and judgments of prior occurrence based on an acontextual sense of familiarity. fMRI studies investigating the neural correlates of memory encoding and retrieval conducted within the dual-process framework have frequently reported findings consistent with the view that the hippocampus selectively supports recollection, and has little or no role in familiarity-based recognition. An alternative interpretation of these findings has been proposed, however, in which it is argued that the hippocampus supports the encoding and retrieval of 'strong' memories, regardless of whether the memories are recollection- or familiarity-based. Here, we describe the findings of eight fMRI studies from our laboratory: one study of source memory encoding, four studies of the retrieval of contextual information, and three studies of continuous recognition. Together, the findings support the proposal that hippocampal activity co-varies with the amount of contextual information about a study episode that is encoded or retrieved, and not with the strength of an undifferentiated memory signal.
journal_name
Neuropsychologiajournal_title
Neuropsychologiaauthors
Rugg MD,Vilberg KL,Mattson JT,Yu SS,Johnson JD,Suzuki Mdoi
10.1016/j.neuropsychologia.2012.06.004subject
Has Abstractpub_date
2012-11-01 00:00:00pages
3070-9issue
13eissn
0028-3932issn
1873-3514pii
S0028-3932(12)00242-4journal_volume
50pub_type
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