Item memory, context memory and the hippocampus: fMRI evidence

被引:107
|
作者
Rugg, Michael D. [1 ,2 ]
Vilberg, Kaia L. [1 ,2 ]
Mattson, Julia T. [1 ,2 ,3 ]
Yu, Sarah S. [1 ,2 ]
Johnson, Jeffrey D. [4 ]
Suzuki, Maki [5 ]
机构
[1] Ctr Vital Longev, Dallas, TX 75235 USA
[2] Sch Behav & Brain Sci, Dallas, TX 75235 USA
[3] UT SW Med Ctr, Dallas, TX 75390 USA
[4] Univ Missouri, Dept Psychol Sci, Columbia, MO 65211 USA
[5] Kyoto Sangyo Univ, Fac Comp Sci & Engn, Dept Intelligent Syst, Khoyama Ctr Neurosci,Kita Ku, Kyoto 6038555, Japan
关键词
Episodic memory; Familiarity; Memory strength; Recollection; Remember-know; MEDIAL TEMPORAL-LOBE; RECOGNITION MEMORY; ASSOCIATIVE RECOGNITION; PREFRONTAL CORTEX; EPISODIC MEMORY; PARIETAL CORTEX; RECOLLECTION; FAMILIARITY; RETRIEVAL; DISSOCIATION;
D O I
10.1016/j.neuropsychologia.2012.06.004
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
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. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:3070 / 3079
页数:10
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