Medial Temporal Lobe Activity during Source Retrieval Reflects Information Type, not Memory Strength
@article{Diana2010MedialTL, title={Medial Temporal Lobe Activity during Source Retrieval Reflects Information Type, not Memory Strength}, author={Rachel A. Diana and Andrew P. Yonelinas and Charan Ranganath}, journal={Journal of Cognitive Neuroscience}, year={2010}, volume={22}, pages={1808-1818} }
The medial temporal lobes (MTLs) are critical for episodic memory but the functions of MTL subregions are controversial. According to memory strength theory, MTL subregions collectively support declarative memory in a graded manner. In contrast, other theories assert that MTL subregions support functionally distinct processes. For instance, one view is that perirhinal cortex (PRc) processes item information, parahippocampal cortex (PHc) processes context information, and the hippocampus binds…
188 Citations
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Three experiments were designed to compare competing models of MTL function by measuring, using functional magnetic resonance imaging, the neural correlates of successful recollection- and familiarity-based memory judgements for different types of complex visual stimuli, consistent with views that the perirhinal cortex and hippocampus are differentially involved in processing objects and scenes, rather than in supporting distinct kinds of memory process.
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Medial temporal lobe contributions to cued retrieval of items and contexts
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Delay-dependent contributions of medial temporal lobe regions to episodic memory retrieval
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The functional neuroimaging results suggest that the anterior and posterior hippocampus have different contributions to memory over time and that neurobiological models of memory must account for these differences.
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- Psychology, BiologyBehavioural Brain Research
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Dynamic Theta Networks in the Human Medial Temporal Lobe Support Episodic Memory
- Biology, PsychologyCurrent Biology
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Prefrontal and Medial Temporal Lobe Activity at Encoding Predicts Temporal Context Memory
- Psychology, BiologyThe Journal of Neuroscience
- 2010
Evidence implicating the rostrolateral PFC in the representation of time-varying contextual states in a manner similar to that proposed by computational theories of temporal context memory is revealed.
Medial temporal lobe contributions to short-term memory for faces.
- Psychology, BiologyJournal of experimental psychology. General
- 2013
This work demonstrates that MTL amnesic patients show impaired delayed matching-to-sample (DMS) for faces in a task that meets both a traditional delay-based and a recently proposed distractor-based criterion for classification as an STM task, and provides novel evidence that the MTL supports cognition beyond the LTM domain.
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