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Clinical Trial Summary

eBACH is a randomized intervention to determine the effects of aerobic exercise on brain structure and function, as well as to determine how exercise-induced training effects relate to cardiovascular function via related brain changes.


Clinical Trial Description

Aim 1: To determine the neurobiology of exercise and cardiovascular factors: (1A) Body- to -Brain hypothesis: Exercise -induced changes in peripheral markers of cardiovascular health (e.g., cardiorespiratory fitness, peripheral vascular function) will precede and partly explain (statistically mediate) some of the exercise -induced changes in functional and structural features of areas defining visceral control circuits. (1B) Brain- to -Body hypothesis: Exercise -induced changes in functional and structural features of areas defining visceral control circuits precede and partly explain (statistically mediate) consequent changes in autonomic and neuroendocrine mediators of cardiovascular function that are under neural regulation, including baro-reflex sensitivity and heart rate variability. Aim 2: To determine the neurobiology of exercise self--reported correlates of cardiovascular function: (2A) Exercise will induce changes in visceral control areas engaged by functional magnetic resonance imaging (fMRI) tasks, and these changes will partly explain exercise- induced reductions in cardiovascular responsivity to challenges in daily life. (2B) Exercise will induce changes in visceral control areas engaged by an functional magnetic resonance imaging (fMRI) emotion processing and regulation paradigm, and these changes will partly explain exercise- induced improvements in affect measured in daily life by EMA and by conventional self- report instruments. The public health significance of this research is that it is designed to more precisely define and refine neurobiological targets to improve cardiovascular function and health. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03841669
Study type Interventional
Source University of Pittsburgh
Contact
Status Active, not recruiting
Phase N/A
Start date May 15, 2019
Completion date June 2024

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