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Increased Pupil Size during Future Thinking in a Subject with Retrograde Amnesia
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In: Brain Sciences; Volume 12; Issue 1; Pages: 115 (2022)
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| 3 |
The Hippocampus Supports Recognition Memory for Familiar Words but Not Unfamiliar Faces
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In: CURR BIOL , 18 (24) 1932 - 1936. (2008) (2008)
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Abstract:
Bilateral damage to the human hippocampus profoundly impairs the ability to form long-term, consciously accessible memories, producing a classic amnesic syndrome. However, the effect of hippocampal damage on our ability to recognize items via a feeling of familiarity is hotly disputed. Dual-process theory predicts no effect [1-4], whereas declarative memory theory predicts impairment of all types of recognition memory [5]. Here, we demonstrate a striking material specificity in the effect of focal hippocampal damage: Recognition memory is impaired for words but intact for faces. The latter finding is incompatible with declarative memory theory, whereas the former constrains dual-process theory by revealing the limitations of postulated extrahippocampal familiarity-based processes. We suggest that the hippocampus boosts recognition of well-known stimuli (high-frequency words) by activating pre-experimental associations that enrich the context of their presentation. By contrast, recognition memory for some kinds of previously unfamiliar stimuli (unfamiliar faces) may be supported by extrahippocampal familiarity-based processes, at least over short intervals.
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Keyword:
ASSOCIATIVE MEMORY; DAMAGE; LESIONS; MEDIAL TEMPORAL-LOBE; PATHOLOGY; RECALL; RECOLLECTION; RETROGRADE-AMNESIA; SEMANTIC MEMORY; SINGLE
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URL: http://discovery.ucl.ac.uk/119522/
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| 4 |
A proposed architecture for the neural representation of spatial context
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In: NEUROSCI BIOBEHAV R , 28 (2) 201 - 218. (2004) (2004)
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| 5 |
Lost for words or loss of memories? Autobiographical memory in semantic dementia
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In: COGN NEUROPSYCHOL , 20 (8) 703 - 732. (2003) (2003)
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| 6 |
Memory consolidation and the hippocampus: further evidence from studies of autobiographical memory in semantic dementia and frontal variant frontotemporal dementia
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| 7 |
Analysis of the memory impairment in a post-encephalitic patient with focal retrograde amnesia
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| 8 |
SELECTIVE IMPAIRMENT OF RETRIEVING PEOPLES NAMES - A CATEGORY-SPECIFIC DISORDER
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In: CORTEX , 29 (2) 281 - 291. (1993) (1993)
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