Exercise, the diurnal cycle of cortisol and cognitive impairment in older adults

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Título: Exercise, the diurnal cycle of cortisol and cognitive impairment in older adults
Autor/es: Tortosa Martínez, Juan | Manchado, Carmen | Cortell-Tormo, Juan M. | Chulvi Medrano, Iván
Grupo/s de investigación o GITE: Research in Physical Education, Fitness and Performance (RIPEFAP) | Grupo de Investigación en Alimentación y Nutrición (ALINUT)
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Didáctica General y Didácticas Específicas
Palabras clave: Alzheimer's disease | Exercise | Physical activity | Cognition | Cortisol
Área/s de conocimiento: Educación Física y Deportiva
Fecha de publicación: nov-2018
Editor: Elsevier
Cita bibliográfica: Neurobiology of Stress. 2018, 9: 40-47. doi:10.1016/j.ynstr.2018.08.004
Resumen: Exercise has been shown to reduce the risk of developing Mild Cognitive Impairment and Alzheimer's disease as well as to improve cognition in healthy and cognitively impaired individuals. However, the mechanisms of these benefits are not well understood. The stress hypothesis suggests that the cognitive benefits attributed to exercise may partially be mediated by changes in the cortisol secretion pattern. Chronic stress may increase the risk of AD and exacerbate the cognitive deficits and brain pathology characteristic of the condition while physical activity has been shown to attenuate most of stress consequences and risk factors for AD. Initially, research on the effects of cortisol on cognition and physical activity focused on cortisol levels at one time point but the circadian pattern of cortisol secretion is complex and it is still unclear which aspects are most closely associated with cognitive function. Thus, the aim of this review was to analyze the exercise/stress/cognition hypothesis focusing on the effects of the diurnal cycle of cortisol on cognitive function and physical activity in older adults with and without cognitive impairment.
URI: http://hdl.handle.net/10045/78313
ISSN: 2352-2895
DOI: 10.1016/j.ynstr.2018.08.004
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2018 Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/BY-NC-ND/4.0/).
Revisión científica: si
Versión del editor: https://doi.org/10.1016/j.ynstr.2018.08.004
Aparece en las colecciones:INV - ALINUT - Artículos de Revistas
INV - RIPEFAP - Artículos de Revistas

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