Time for a Systems Biological Approach to Cognitive Aging?—A Critical Review

The underlying premise of current theories of cognitive decline with age tend to be primarily cognitive or biological explanations, with relatively few theories adequately integrating both aspects. Though literature has also emphasized the importance of several factors that contribute to cognitive a...

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Main Authors: Deena Ebaid, Sheila G. Crewther
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-05-01
Series:Frontiers in Aging Neuroscience
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fnagi.2020.00114/full
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author Deena Ebaid
Sheila G. Crewther
author_facet Deena Ebaid
Sheila G. Crewther
author_sort Deena Ebaid
collection DOAJ
description The underlying premise of current theories of cognitive decline with age tend to be primarily cognitive or biological explanations, with relatively few theories adequately integrating both aspects. Though literature has also emphasized the importance of several factors that contribute to cognitive aging including: (a) decline in sensory abilities; (b) the effect of motor speed on paper-pencil measures of cognitive speed; (c) the impact of level of education and physical activity; and (d) molecular biological changes that occur with age, these factors have seldom been implicated into any single theoretical model of cognitive aging. Indeed, such an integrated bio-cognitive model of aging has the potential to provide a more comprehensive understanding of attention, perception, learning, and memory across the lifespan. Thus, the aim of this review was to critically evaluate common theories of age-related cognitive decline and highlight the need for a more comprehensive systems neuroscience approach to cognitive aging.
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spelling doaj.art-862075591b3443978b278b274835c4682022-12-21T17:49:12ZengFrontiers Media S.A.Frontiers in Aging Neuroscience1663-43652020-05-011210.3389/fnagi.2020.00114519600Time for a Systems Biological Approach to Cognitive Aging?—A Critical ReviewDeena EbaidSheila G. CrewtherThe underlying premise of current theories of cognitive decline with age tend to be primarily cognitive or biological explanations, with relatively few theories adequately integrating both aspects. Though literature has also emphasized the importance of several factors that contribute to cognitive aging including: (a) decline in sensory abilities; (b) the effect of motor speed on paper-pencil measures of cognitive speed; (c) the impact of level of education and physical activity; and (d) molecular biological changes that occur with age, these factors have seldom been implicated into any single theoretical model of cognitive aging. Indeed, such an integrated bio-cognitive model of aging has the potential to provide a more comprehensive understanding of attention, perception, learning, and memory across the lifespan. Thus, the aim of this review was to critically evaluate common theories of age-related cognitive decline and highlight the need for a more comprehensive systems neuroscience approach to cognitive aging.https://www.frontiersin.org/article/10.3389/fnagi.2020.00114/fullcognitive agingcognitive declinetheories of agingbiological agingcardiovascular healthsystems neuroscience
spellingShingle Deena Ebaid
Sheila G. Crewther
Time for a Systems Biological Approach to Cognitive Aging?—A Critical Review
Frontiers in Aging Neuroscience
cognitive aging
cognitive decline
theories of aging
biological aging
cardiovascular health
systems neuroscience
title Time for a Systems Biological Approach to Cognitive Aging?—A Critical Review
title_full Time for a Systems Biological Approach to Cognitive Aging?—A Critical Review
title_fullStr Time for a Systems Biological Approach to Cognitive Aging?—A Critical Review
title_full_unstemmed Time for a Systems Biological Approach to Cognitive Aging?—A Critical Review
title_short Time for a Systems Biological Approach to Cognitive Aging?—A Critical Review
title_sort time for a systems biological approach to cognitive aging a critical review
topic cognitive aging
cognitive decline
theories of aging
biological aging
cardiovascular health
systems neuroscience
url https://www.frontiersin.org/article/10.3389/fnagi.2020.00114/full
work_keys_str_mv AT deenaebaid timeforasystemsbiologicalapproachtocognitiveagingacriticalreview
AT sheilagcrewther timeforasystemsbiologicalapproachtocognitiveagingacriticalreview