Imaging recollection and familiarity in the medial temporal lobe: a three-component model

@article{Diana2007ImagingRA,
  title={Imaging recollection and familiarity in the medial temporal lobe: a three-component model},
  author={Rachel A. Diana and Andrew P. Yonelinas and Charan Ranganath},
  journal={Trends in Cognitive Sciences},
  year={2007},
  volume={11},
  pages={379-386}
}
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The findings show that episodic retrieval relies on both content-sensitive and core recollective processes, and these can be differentiated from familiarity-based recognition memory.
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Evidence from neuropsychological, neuroimaging, and neurophysiological studies of humans, monkeys, and rats indicates that different subregions of the MTL make distinct contributions to recollection and familiarity; the data suggest that the hippocampus is critical for recollection but not familiarity.
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This is the first study to reveal a triple dissociation within the MTL associated with distinct retrieval processes, and this finding has direct implications for current memory models.
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This work used event-related functional MRI to examine the relation between activation in distinct medial temporal lobe subregions during memory formation and the ability to later recognize an item as previously encountered and later recollect specific contextual details about the prior encounter.
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The neural substrates of recognition memory retrieval were examined in a functional magnetic resonance imaging study to separate activity related to recollection from that related to continuous variations in familiarity, indicating that recollection cannot be attributed to familiarity strength.
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Content-specific associations between encoding- and recollection-related neural activity strongly support the reinstatement hypothesis of episodic retrieval.
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