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Precise temporal memories are supported by the lateral entorhinal cortex in humans
TLDR
High temporal precision was associated with increased blood-oxygen-level-dependent fMRI activity in the anterolateral entorhinal (a homolog of the LEC in rodents) and perirhinal cortices, but not in the posteromedial entorHinal and parahippocampal cortices; this suggests a previously unknown role for the L EC in processing of high-precision, minute-scale temporal memories.
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Delay-dependent contributions of medial temporal lobe regions to episodic memory retrieval
TLDR
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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Opinion: Science policy for scientists: A simple task for great effect
TLDR
A group of early-career scientists, four UC Irvine graduate students and one postdoc, who have seen great value in getting involved with political discourse and science policy say researchers eager to inform policy with science should seek out the pathways that are available for engaging with lawmakers at the state, local, or national level.
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Author response: Delay-dependent contributions of medial temporal lobe regions to episodic memory retrieval
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Hippocampal subfields integrate information about past temporal and cognitive contexts
TLDR
High-resolution fMRI imaging and voxel pattern similarity analyses are combined to answer the question of how human hippocampal subfields represent retrieved information about cognitive states and the time at which a past event took place and are consistent with the idea that CA23DG supports temporal context in episodic memory by encoding an integrated representation of discrete and gradually-changing cognitive states.
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Representations of complex contexts: A role for hippocampus
TLDR
This work constructed a task in which items were affiliated with differing types of context – cognitive associations that vary at the local, item level and membership in temporally organized lists that linked items together at a global level and performed voxel pattern similarity analyses to answer the question of how human hippocampal subfields represent retrieved information about cognitive states and the time at which a past event took place.
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Hippocampal and parahippocampal cortex volume predicts recollection in schizophrenia
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