Association between Physical Activity Levels and Brain Volumes in Adults Visiting Radio-Imaging Center of Tertiary Care Hospital

Deepika Raja, Sneha Ravichandran, Baskaran Chandrasekaran, Rajagopal Kadavigere, M. G. Ramesh Babu, Meshari Almeshari, Amjad R. Alyahyawi, Yasser Alzamil, Ahmad Abanomy and Suresh Sukumar ()
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Deepika Raja: Department of Medical Imaging Technology, MCHP, MAHE, Manipal 576104, India
Sneha Ravichandran: Department of Medical Imaging Technology, MCHP, MAHE, Manipal 576104, India
Baskaran Chandrasekaran: Department of Exercise and Sports Sciences, MCHP, MAHE, Manipal 576104, India
Rajagopal Kadavigere: Department of Radiodiagnosis and Imaging, KMC, MAHE, Manipal 576104, India
M. G. Ramesh Babu: Department of Basic Medical Sciences, MAHE, Manipal 576104, India
Meshari Almeshari: Department of Diagnostic Radiology, College of Applied Medical Science, University of Hail, Ha’il 81442, Saudi Arabia
Amjad R. Alyahyawi: Department of Diagnostic Radiology, College of Applied Medical Science, University of Hail, Ha’il 81442, Saudi Arabia
Yasser Alzamil: Department of Diagnostic Radiology, College of Applied Medical Science, University of Hail, Ha’il 81442, Saudi Arabia
Ahmad Abanomy: Department of Radiological Sciences, Department of Diagnostic Radiology, College of Applied Medical Science, King Saud University, P.O. Box 10219, Riyadh 11451, Saudi Arabia
Suresh Sukumar: Department of Medical Imaging Technology, MCHP, MAHE, Manipal 576104, India

IJERPH, 2022, vol. 19, issue 24, 1-10

Abstract: Background and aim: There is evidence to support the favorable impact of physical activity (PA) on brain volume. However, the empirical evidence exploring the relationship between physical and sedentary behavior remains mixed. We aimed to explore the relationship between PA and sedentary behavior and brain volume. Methods: The study sample (n = 150, mean age = 39.7 years) included patients interviewed with the International Physical Activity Questionnaire (IPAQ) who underwent an MRI brain scan. From the images obtained, we measured total intracranial, gray matter, and white matter volume along with the hippocampus, amygdala, parahippocampal gyrus, and posterior cingulate cortex (PCC). Multivariable linear regression analysis was done. Results and discussion: Left hippocampus and overall PA were positively and significantly associated (β = 0.71, p = 0.021) whereas time spent on vigorous physical activity showed a negative association (β = −0.328, p = 0.049) with left hippocampal volume. Conclusion: We found a positive association between total PA and the left hippocampus, whereas vigorous PA showed a negative association with the left hippocampus.

Keywords: sedentary behaviour; prolonged sitting; Brain Size; MRI; AAL3; brain volume (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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