NDLI: Central fatigue theory and endurance exercise: Toward an interoceptive model

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Central fatigue theory and endurance exercise: Toward an interoceptive model

Content Provider	Scilit
Author	McMorris, Terry Barwood, Martin Corbett, Jo
Copyright Year	2018
Description	Journal: Neuroscience & Biobehavioral Reviews We propose a model of exercise-induced central fatigue based on interoception and motivation. Predictions of the expected sensory feedback are fed forward by the dorsolateral (DL) prefrontal cortex (PFC) to the anterior insula cortex (AIC). During exercise, the AIC receives feedback from lamina Ⅰ lateral spinothalamic and nucleus tractus solitarii medullothalamic pathways. The feedback is compared to the predictions in order to generate a current awareness state, which is forwarded to the anterior cingulate cortex (ACC), ventromedial (VM)PFC and lateral (L)PFC. The LPFC integrates the information and makes a decision as to whether to continue or stop. The decision is dependent upon interaction with the substantia nigra pars compacta and ventral tegmental area dopamine (DA), and locus coeruleus (LC)-norepinephrine (NE) systems. Phasic activation of DA and NE neurons appears to be necessary for maintenance of goal-related action but the VMPFC and ACC, which project to the LC, induce tonic NE activity when the rewards are thought to be not worth the cost thus fatigue is perceived.
Related Links	https://researchportal.port.ac.uk/portal/files/9928502/Central_fatigue_theory_and_endurance_exercise.pdf
ISSN	01497634
e-ISSN	18737528
DOI	10.1016/j.neubiorev.2018.03.024
Journal	Neuroscience & Biobehavioral Reviews
Volume Number	93
Language	English
Publisher	Elsevier BV
Publisher Date	2018-10-01
Access Restriction	Open
Subject Keyword	Journal: Neuroscience & Biobehavioral Reviews 5-hydroxytryptamine Anterior Cingulate Cortex Dorsolateral Prefrontal Cortex Substantia Nigra Pars Compacta Ventral Tegmental Area Ventrolateral Prefrontal Cortex Ventromedial Prefrontal Cortex
Content Type	Text
Resource Type	Article
Subject	Cognitive Neuroscience Behavioral Neuroscience Neuropsychology and Physiological Psychology

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