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Fast track to the neocortex: A memory engram in the posterior parietal cortex.

Memories reach the cortex rapidly How fast do learning-induced anatomical changes occur in the brain? The traditional view postulates that neocortical memory representations reflect reinstatement processes initiated by the hippocampus and that a genuine physical trace develops only through reactivat... Full description

Journal Title: Science (New York N.Y.), November 30, 2018, Vol.362(6418), pp.1045-1048
Main Author: Brodt, S
Other Authors: Gais, S , Beck, J , Erb, M , Scheffler, K , Schönauer, M
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1095-9203 ; DOI: 10.1126/science.aau2528
Link: http://search.proquest.com/docview/2141040999/?pq-origsite=primo
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recordid: proquest2141040999
title: Fast track to the neocortex: A memory engram in the posterior parietal cortex.
format: Article
creator:
  • Brodt, S
  • Gais, S
  • Beck, J
  • Erb, M
  • Scheffler, K
  • Schönauer, M
subjects:
  • Adult–Physiology
  • Female–Physiology
  • Functional Neuroimaging–Physiology
  • Hippocampus–Physiology
  • Humans–Physiology
  • Magnetic Resonance Imaging–Physiology
  • Male–Physiology
  • Memory Consolidation–Physiology
  • Mental Recall–Physiology
  • Neocortex–Physiology
  • Neuronal Plasticity–Physiology
  • Parietal Lobe–Physiology
  • Young Adult–Physiology
ispartof: Science (New York, N.Y.), November 30, 2018, Vol.362(6418), pp.1045-1048
description: Memories reach the cortex rapidly How fast do learning-induced anatomical changes occur in the brain? The traditional view postulates that neocortical memory representations reflect reinstatement processes initiated by the hippocampus and that a genuine physical trace develops only through reactivation over extended periods. Brodt et al. combined functional magnetic resonance imaging (MRI) with diffusion-weighted MRI during an associative declarative learning task to examine experience-dependent structural brain plasticity in human subjects (see the Perspective by Assaf). This plasticity was rapidly induced after learning, persisted for more than 12 hours, drove behavior, and was localized in areas displaying memory-related functional brain activity. These plastic changes in the posterior parietal cortex, and their fast temporal dynamics, challenge traditional views of systems memory consolidation. Science, this issue p. 1045; see also p. 994 Models of systems memory consolidation postulate...
language: eng
source:
identifier: E-ISSN: 1095-9203 ; DOI: 10.1126/science.aau2528
fulltext: no_fulltext
issn:
  • 10959203
  • 1095-9203
url: Link


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titleFast track to the neocortex: A memory engram in the posterior parietal cortex.
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identifierE-ISSN: 1095-9203 ; DOI: 10.1126/science.aau2528
subjectAdult–Physiology ; Female–Physiology ; Functional Neuroimaging–Physiology ; Hippocampus–Physiology ; Humans–Physiology ; Magnetic Resonance Imaging–Physiology ; Male–Physiology ; Memory Consolidation–Physiology ; Mental Recall–Physiology ; Neocortex–Physiology ; Neuronal Plasticity–Physiology ; Parietal Lobe–Physiology ; Young Adult–Physiology
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descriptionMemories reach the cortex rapidly How fast do learning-induced anatomical changes occur in the brain? The traditional view postulates that neocortical memory representations reflect reinstatement processes initiated by the hippocampus and that a genuine physical trace develops only through reactivation over extended periods. Brodt et al. combined functional magnetic resonance imaging (MRI) with diffusion-weighted MRI during an associative declarative learning task to examine experience-dependent structural brain plasticity in human subjects (see the Perspective by Assaf). This plasticity was rapidly induced after learning, persisted for more than 12 hours, drove behavior, and was localized in areas displaying memory-related functional brain activity. These plastic changes in the posterior parietal cortex, and their fast temporal dynamics, challenge traditional views of systems memory consolidation. Science, this issue p. 1045; see also p. 994 Models of systems memory consolidation postulate...
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