Temporal specialization of the neural memory system: common and distinct neural correlates of recent and remote memory retrieval
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View abstract on PubMed
Summary
This summary is machine-generated.This study reveals the anterior temporal lobe (ATL) is a key hub for associative memory (AM) retrieval, supporting both recent and remote memories. Distinct brain regions are engaged for recent versus remote memory recall.
Area Of Science
- Neuroscience
- Cognitive Psychology
- Neuroimaging
Background
- Associative memory (AM) is fundamental to declarative memory, encompassing semantic and episodic processes.
- Understanding the neurofunctional basis of recent and remote AM retrieval remains an active area of research.
Purpose Of The Study
- To investigate the neurofunctional correlates of recent and remote associative memory retrieval.
- To examine the role of the anterior temporal lobe (ATL), anterior insular (aIC) cortex, and posterior midline region (PMR) in AM retrieval.
Main Methods
- Utilized fMRI to study associative face-name pair retrieval in healthy young adults.
- Employed famous and non-famous individuals' face-name pairs to probe memory recall.
Main Results
- Significant bilateral ATL activation (STG) was observed for both recent and remote AM retrieval.
- Recent memory retrieval showed exclusive bilateral aIC activation.
- Remote memory retrieval involved PMR and ventromedial prefrontal cortex (vmPFC) activation.
Conclusions
- The ATL serves as a common neural hub for both recent and remote associative memory retrieval.
- Distinct neurofunctional networks are recruited for recent and remote memory retrieval, enabling successful recall of associated information.
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