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New dimensions for brain mapping.

The representation of memory in the brain is one of the unresolved questions in neuroscience. A key feature of learning and memory is the process of neuroplasticity—the ability of the brain to remodel structurally and functionally as a result of cognitive experience. Although the neurobiological bas... Full description

Journal Title: Science (New York N.Y.), November 30, 2018, Vol.362(6418), pp.994-995
Main Author: Assaf, Yaniv
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1095-9203 ; DOI: 10.1126/science.aav7357
Link: http://search.proquest.com/docview/2141033070/?pq-origsite=primo
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recordid: proquest2141033070
title: New dimensions for brain mapping.
format: Article
creator:
  • Assaf, Yaniv
subjects:
  • Brain
  • Brain Mapping
  • Magnetic Resonance Imaging
  • Memory
  • Neocortex
  • Parietal Lobe
ispartof: Science (New York, N.Y.), November 30, 2018, Vol.362(6418), pp.994-995
description: The representation of memory in the brain is one of the unresolved questions in neuroscience. A key feature of learning and memory is the process of neuroplasticity—the ability of the brain to remodel structurally and functionally as a result of cognitive experience. Although the neurobiological basis of this process (that is, synaptic plasticity) is well established, the system level dynamics of neuroplasticity are still unclear. Recently, diffusion-weighted magnetic resonance imaging (DW-MRI), which can be carried out noninvasively in humans, provided a new approach to explore neuroplasticity. One of the parameters extracted from DW-MRI is mean diffusivity (MD) of water molecules, which is a biomarker of tissue microstructure (1). By probing changes in MD across the brain, areas of microstructural plasticity can be detected within hours of learning. On page 1045 of this issue, Brodt et al. (2) used DW-MRI after an object-location memory task and found that brain plasticity occurs in the...
language: eng
source:
identifier: E-ISSN: 1095-9203 ; DOI: 10.1126/science.aav7357
fulltext: no_fulltext
issn:
  • 10959203
  • 1095-9203
url: Link


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identifierE-ISSN: 1095-9203 ; DOI: 10.1126/science.aav7357
subjectBrain ; Brain Mapping ; Magnetic Resonance Imaging ; Memory ; Neocortex ; Parietal Lobe
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descriptionThe representation of memory in the brain is one of the unresolved questions in neuroscience. A key feature of learning and memory is the process of neuroplasticity—the ability of the brain to remodel structurally and functionally as a result of cognitive experience. Although the neurobiological basis of this process (that is, synaptic plasticity) is well established, the system level dynamics of neuroplasticity are still unclear. Recently, diffusion-weighted magnetic resonance imaging (DW-MRI), which can be carried out noninvasively in humans, provided a new approach to explore neuroplasticity. One of the parameters extracted from DW-MRI is mean diffusivity (MD) of water molecules, which is a biomarker of tissue microstructure (1). By probing changes in MD across the brain, areas of microstructural plasticity can be detected within hours of learning. On page 1045 of this issue, Brodt et al. (2) used DW-MRI after an object-location memory task and found that brain plasticity occurs in the...
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