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An MR-Neuroimaging Study of Structural and Vascular Brain Networks in Elderly Adults with Obesity and Diabetes who Practice Structural Yoga.

Overview

  1. Division of Yoga, Centre for Integrative Medicine and Research, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
  2. Department of Physiotherapy, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
  3. Department of Radiodiagnosis and Imaging, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
  4. Department of Medical Imaging Technology, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
Journal: F1000Research, volume 15, article 830
Dates: accepted 18 May 2026; published online 28 May 2026
Type: Other · Language: English
License: CC BY
Identifiers: DOI 10.12688/f1000research.181680.1 · PMID 42344431 · PMCID PMC13287981 · OpenAlex W7162693548
Open access: gold, a free copy (OpenAlex)
Status: data only
Categories: structural MRI / diffusion (modality), fMRI (modality), human (organism), other condition (population), clinical / translational (subfield)
Methods: Statistics, Smoothing, state filtering, decompositions, Connectivity, fMRI & imaging, Preprocessing
Keywords: MR neuroimaging, type 2 diabetes mellitus, obesity, yoga, brain morphometry, diffusion tensor imaging, resting-state fMRI, and elderly adults
MeSH: Brain*, Diabetes Mellitus, Type 2*, Magnetic Resonance Imaging*, Neuroimaging*, Obesity*, Yoga*, Aged, Aged, 80 and over, Case-Control Studies, Female, Humans, Male, Middle Aged, Prospective Studies (* major topic)
Topic: Mindfulness and Compassion Interventions (Clinical Psychology, Psychology), according to OpenAlex
Funding: Indian Council of Medical Research (IIRPSG-2025-01-03486)
Citations: not cited yet (Europe PMC); 37 references in the paper

Abstract

Background: Obesity and type 2 diabetes mellitus (T2DM) are associated with accelerated brain atrophy, white matter microstructural disruption, and resting-state functional network dysconnectivity in elderly adults, driven by converging vascular, neuroinflammatory, and insulin-resistance mechanisms. Yoga is a recognized mind-body intervention with documented benefits for glycaemic control, vascular health, and neurocognitive function; however, no study has yet employed multimodal MR neuroimaging to systematically characterize these brain alterations in an elderly obese-diabetic population or to evaluate yoga-induced neuroplasticity within this cohort.

Methods: This three-phase, prospective protocol will be conducted at Kasturba Hospital and the Center for Integrative Medicine and Research, Manipal Academy of Higher Education, Manipal, India. Phase 1 is a case-control study (n = 80; 40 obese-diabetic, 40 obese-non-diabetic; age 60–80 years) employing carotid Doppler ultrasonography, T1-weighted voxel-based morphometry and region-of-interest segmentation (SPM12/CAT12/AAL3), diffusion tensor imaging with ROI-based tractography (ExploreDTI), and resting-state fMRI (CONN toolbox), alongside the Eriksen Flanker and N-Back cognitive tasks. Phase 2 involves the systematic development and expert content-validation of a structured, AYUSH-compliant yoga module tailored for elderly obese-diabetic adults. Phase 3 applies the validated module in a 6-month pre-post intervention, with objective adherence monitoring via triaxial accelerometry and repeat of the full Phase 1 neuroimaging and cognitive battery.

Discussion: This protocol addresses a critical gap in the yoga-neuroimaging literature by providing a multimodal, multi-phase framework to characterize neurovascular disease burden and evaluate structured yoga as a neurobiologically informed lifestyle intervention in a high-risk elderly population. Findings will inform AYUSH clinical guidelines, geriatric NCD prevention programs, and future randomized controlled trials.

Reproduced under the paper's license (CC BY), from the paper cited above.

Code

The paper links to its data, not to its authors' code: see the Data section.

Tracing map

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Data

Datasets cited

Data availability

Underlying data: No data are associated with this article. This is a study protocol; no participant data have been collected at the time of publication.

Reporting guidelines: This protocol has been prepared in accordance with the Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT 2025) guidelines. The completed SPIRIT 2013 checklist has been deposited in the Figshare repository.

Repository name: An MR-Neuroimaging Study of Structural and Vascular Brain Networks in Elderly Adults with Obesity and Diabetes who Practice Structural Yoga. https://doi.org/10.6084/m9.figshare.32151694. 37

License: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication (https://creativecommons.org/publicdomain/zero/1.0/legalcode).

Trial Registration: Clinical Trials Registry — India (CTRI): CTRI/2025/12/098738. Registered: 10/12/2025. URL: https://ctri.nic.in/Clinicaltrials/pmaindet2.php?EncHid=MTQ4MTg5&Enc=36227.78897&userName=

Reproduced under the paper's license (CC BY), from the paper cited above.

Versions

The history of this record: each version stored by the harvester or made by a correction of its authors or of the maintainers of its code, and what changed in its facts. The texts of the paper (its abstract, its availability statements) are not part of it; versions that changed only those are not listed.

Version 2, 28 September 2026

  • Funding: added Indian Council of Medical Research: IIRPSG-2025-01-03486

Version 1, 28 September 2026: the first record

Recorded: type, language, journal, volume, pages, dates, 5 authors, 8 keywords, 14 MeSH terms, 29 references.

Cite

This paper

Paramashiva, P. S., Maiya, G. A., Kadavigere, R., Dkhar, W., & Sukumar, S. (2026). An MR-Neuroimaging Study of Structural and Vascular Brain Networks in Elderly Adults with Obesity and Diabetes who Practice Structural Yoga. F1000Research, 15, 830. https://doi.org/10.12688/f1000research.181680.1

BibTeX

@article{paramashiva2026mr,
author = {Paramashiva, Poovitha Shruthi and Maiya, G Arun and Kadavigere, Rajagopal and Dkhar, Winniecia and Sukumar, Suresh},
title = {{An MR-Neuroimaging Study of Structural and Vascular Brain Networks in Elderly Adults with Obesity and Diabetes who Practice Structural Yoga}},
journal = {F1000Research},
year = {2026},
month = may,
volume = {15},
pages = {830},
publisher = {Faculty of 1000 Ltd},
issn = {2046-1402},
doi = {10.12688/f1000research.181680.1},
url = {https://doi.org/10.12688/f1000research.181680.1},
pmid = {42344431},
pmcid = {PMC13287981}
}

RIS

TY - JOUR
AU - Paramashiva, Poovitha Shruthi
AU - Maiya, G Arun
AU - Kadavigere, Rajagopal
AU - Dkhar, Winniecia
AU - Sukumar, Suresh
TI - An MR-Neuroimaging Study of Structural and Vascular Brain Networks in Elderly Adults with Obesity and Diabetes who Practice Structural Yoga
T2 - F1000Research
J2 - F1000Res
PY - 2026
DA - 2026/05/28
VL - 15
SP - 830
SN - 2046-1402
PB - Faculty of 1000 Ltd
DO - 10.12688/f1000research.181680.1
UR - https://doi.org/10.12688/f1000research.181680.1
LA - en
ER -

CSL-JSON

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