Journal
NEUROLOGY INDIA
Volume 60, Issue 6, Pages 613-617Publisher
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.4103/0028-3886.105196
Keywords
Hippocampus; magnetic resonance imaging; memory; neuroanatomy; parahippocampal gyrus
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Funding
- Medica Sur Clinic and Foundation
- Institute of Science and Technology of Mexico City (ICyTDF) [EJE11-86]
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One of the most basic functions in every individual and species is memory. Memory is the process by which information is saved as knowledge and retained for further use as needed. Learning is a neurobiological phenomenon by which we acquire certain information from the outside world and is a precursor to memory. Memory consists of the capacity to encode, store, consolidate, and retrieve information. Recently, memory has been defined as a network of connections whose function is primarily to facilitate the long-lasting persistence of learned environmental cues. In this review, we present a brief description of the current classifications of memory networks with a focus on episodic memory and its anatomical substrate. We also present a brief review of the anatomical basis of memory systems and the most commonly used neuroimaging methods to assess memory, illustrated with magnetic resonance imaging images depicting the hippocampus, temporal lobe, and hippocampal formation, which are the main brain structures participating in memory networks.
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