NDLI: Resting-state anticorrelations between medial and lateral prefrontal cortex: association with working memory, aging, and individual differences.

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Resting-state anticorrelations between medial and lateral prefrontal cortex: association with working memory, aging, and individual differences.

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Resting-state anticorrelations between medial and lateral prefrontal cortex: association with working memory, aging, and individual differences.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Keller, Joseph B. Hedden, Trey Thompson, Todd W. Anteraper, Sheeba A. Gabrieli, John D. E. Whitfield-Gabrieli, Susan
Description	Author Affiliation: Keller JB ( Department of Brain and Cognitive Sciences and McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, USA. Electronic address: jkeller1@mit.edu.); Hedden T ( Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, USA); Thompson TW ( Department of Brain and Cognitive Sciences and McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, USA.); Anteraper SA ( Department of Brain and Cognitive Sciences and McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, USA.); Gabrieli JD ( Department of Brain and Cognitive Sciences and McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, USA); Whitfield-Gabrieli S ( Department of Brain and Cognitive Sciences and McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, USA.)
Abstract	We examined how variation in working memory (WM) capacity due to aging or individual differences among young adults is associated with intrinsic or resting-state anticorrelations, particularly between (1) the medial prefrontal cortex (MPFC), a component of the default-mode network (DMN) that typically decreases in activation during external, attention-demanding tasks, and (2) the dorsolateral prefrontal cortex (DLPFC), a component of the fronto-parietal control network that supports executive functions and WM and typically increases in activation during attention-demanding tasks. We compared the magnitudes of MPFC-DLPFC anticorrelations between healthy younger and older participants (Experiment 1) and related the magnitudes of these anticorrelations to individual differences on two behavioral measures of WM capacity in two independent groups of young adults (Experiments 1 and 2). Relative to younger adults, older adults exhibited reductions in WM capacity and in MPFC-DLPFC anticorrelations. Within younger adults, greater MPFC-DLPFC anticorrelation at rest correlated with greater WM capacity. These findings show that variation in MPFC-DLPFC anticorrelations, whether related to aging or to individual differences, may reflect an intrinsic functional brain architecture supportive of WM capacity.
File Format	HTM / HTML
ISSN	00109452
e-ISSN	19738102
DOI	10.1016/j.cortex.2014.12.001
Journal	Cortex
Volume Number	64
Language	English
Publisher	Elsevier
Publisher Date	2015-03-01
Publisher Place	Italy
Access Restriction	Open
Subject Keyword	Discipline Neuroscience Discipline Cognitive Science Discipline Neuropsychology Discipline Neurology Discipline Psychology Aging Physiology Functional Laterality Memory, Short-term Nerve Net Prefrontal Cortex Adolescent Brain Mapping Functional Neuroimaging Individuality Magnetic Resonance Imaging Neuropsychological Tests Research Support, N.i.h., Extramural Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Neurology Experimental and Cognitive Psychology Cognitive Neuroscience Developmental and Educational Psychology Neurology (clinical) Neuropsychology and Physiological Psychology

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