Intense physical activity, executive, function, and related frontal lobe grey matter volume in cognitively normal older adults.

Natalie Frost

doi:10.26182/yr6c-jk30

Intense physical activity, executive, function, and related frontal lobe grey matter volume in cognitively normal older adults.

Natalie Frost

School of Psychological Science

Research output: Thesis › Doctoral Thesis

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Abstract

Advancing age is associated with atrophy of the frontal lobes of the brain and declines in associated executive
functions. Research supports exercise as a protective factor against such decline. However, little previous work has assessed the role of exercise intensity in this relationship. Thus, this thesis investigated the interrelationships between exercise intensity, cardiorespiratory fitness, executive function, and frontal lobe volume in older adults. Our data did not support a differential role of intensity at a group level. However, our results suggest that individual differences in experimentally induced cardiorespiratory fitness may be associated with executive function and frontal lobe volume.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Weinborn, Michael, Supervisor Brown, Belinda, Supervisor Gignac, Gilles, Supervisor
Thesis sponsors	Australian Government Research Training Program
Award date	23 Feb 2021
DOIs	https://doi.org/10.26182/yr6c-jk30
Publication status	Unpublished - 2021

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10.26182/yr6c-jk30

THESIS - DOCTOR OF PHILOSOPHY - FROST Natalie Jane - 2021
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Cite this

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title = "Intense physical activity, executive, function, and related frontal lobe grey matter volume in cognitively normal older adults.",

abstract = "Advancing age is associated with atrophy of the frontal lobes of the brain and declines in associated executivefunctions. Research supports exercise as a protective factor against such decline. However, little previous work has assessed the role of exercise intensity in this relationship. Thus, this thesis investigated the interrelationships between exercise intensity, cardiorespiratory fitness, executive function, and frontal lobe volume in older adults. Our data did not support a differential role of intensity at a group level. However, our results suggest that individual differences in experimentally induced cardiorespiratory fitness may be associated with executive function and frontal lobe volume. ",

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AB - Advancing age is associated with atrophy of the frontal lobes of the brain and declines in associated executivefunctions. Research supports exercise as a protective factor against such decline. However, little previous work has assessed the role of exercise intensity in this relationship. Thus, this thesis investigated the interrelationships between exercise intensity, cardiorespiratory fitness, executive function, and frontal lobe volume in older adults. Our data did not support a differential role of intensity at a group level. However, our results suggest that individual differences in experimentally induced cardiorespiratory fitness may be associated with executive function and frontal lobe volume.

KW - exercise

KW - grey matter volume

KW - physical activity

KW - neuropsychology

KW - executive function

KW - cardiorespiratory fitness

KW - cognition

KW - randomized controlled trial

U2 - 10.26182/yr6c-jk30

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M3 - Doctoral Thesis

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Intense physical activity, executive, function, and related frontal lobe grey matter volume in cognitively normal older adults.

Abstract

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