MusicSarreV3, Main, Exploration, bibRecord, 000D36

Box 1. Simulations linking neuromodulation with behavioral data

Identifieur interne : 000D36 ( Main/Exploration ); précédent : 000D35; suivant : 000D37

Box 1. Simulations linking neuromodulation with behavioral data

Auteurs : Shu-Chen Li [Allemagne] ; Ulman Lindenberger [Allemagne] ; Sverker Sikström [Suède]

Source :

Trends in Cognitive Sciences [ 1364-6613 ] ; 2001.

RBID : ISTEX:ECAADE673B68979390F838B7AAA8C5B4C6026260

English descriptors

KwdEn :
- Aging, Cortical representation, Dopaminergic modulation, Gain parameter, Neural networks, Working memory.
Teeft :
- Academic press, Activation function, Asymptotic performance, Attentional, Attentional mechanisms, Behavioral, Behavioral level, Behavioral manifestations, Bilateral activation, Cerebral cortex, Cognition, Cognitive, Cognitive deficits, Cognitive neuroscience, Cognitive performance, Cognitive processes, Cognitive sciences, Cognitive sciences november, Computational, Computational theories, Cortical, Cortical representations, Deficient, Deficient dopaminergic modulation, Deficient neuromodulation, Different levels, Different stimuli, Digit span, Dopamine, Dopamine receptors, Dopaminergic, Dopaminergic modulation, Dopaminergic system, Fluid intelligence, Frontal cortex, Functional relations, Functional relationships, Glucose metabolism, Human brain, Human subjects, Hypothesis generation, Information processing, Internal activation patterns, Internal representations, Intraindividual performance variability, Logistic activation function, Long list, Long lists, Memory capacity, Memory deficits, Memory performance, Modulation, More trials, Negative adult, Neural, Neural information processing, Neural information processing fidelity, Neural mechanisms, Neural noise, Neurobiological, Neurobiological level, Neurobiological levels, Neuromodulation, Neurosci, November, Older adults, Olds olds, Opinion trends, Paradigm shift, Performance level, Performance variability, Planck institute, Plenum press, Prefrontal, Prefrontal cortex, Process information, Processing resources, Processing speed, Processing steps, Processing units, Psychol, Reaction time, Receptor, Receptor mechanisms, Representational distinctiveness, Short lists, Simulation, Summary data, Theoretical link, Trends cognit, Unpublished data, Variability, Various facets, Various levels, Word pairs, Young networks.

Abstract

Basic cognitive functions, such as the abilities to activate, represent, maintain, focus and process information, decline with age. A paradigm shift towards cross-level conceptions is needed in order to obtain an integrative understanding of cognitive aging phenomena that cuts across neural, information-processing, and behavioral levels. We review empirical data at these different levels, and computational theories proposed to enable their integration. A theoretical link is highlighted, relating deficient neuromodulation with noisy information processing, which might result in less distinctive cortical representations. These less distinctive representations might be implicated in working memory and attentional functions that underlie the behavioral manifestations of cognitive aging deficits.

Url:

https://api.istex.fr/document/ECAADE673B68979390F838B7AAA8C5B4C6026260/fulltext/pdf

DOI: 10.1016/S1364-6613(00)01769-1

Affiliations:

Links toward previous steps (curation, corpus...)

to stream Istex, to step Corpus: 001866
to stream Istex, to step Curation: 001752
to stream Istex, to step Checkpoint: 000B27
to stream Main, to step Merge: 000D37
to stream Main, to step Curation: 000D36

Le document en format XML

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<term>Behavioral</term>
<term>Behavioral level</term>
<term>Behavioral manifestations</term>
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<term>Plenum press</term>
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Box 1. Simulations linking neuromodulation with behavioral data

Box 1. Simulations linking neuromodulation with behavioral data

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri