AI Article Synopsis
- This study explores brain activity changes in older adults with Type 2 diabetes and major depressive disorder while performing tai chi, using a technology called fNIRS.
- Researchers compared three groups: patients with both conditions, patients with only diabetes, and healthy individuals, assessing how their brains responded during the activity.
- Findings revealed that those with both conditions had lower brain activation and connectivity in key areas related to movement and decision-making, with worse depression symptoms linked to less oxygen in a specific brain region (DLPFC).
Article Abstract
Aim: This cross-sectional study aims to identify the characteristic changes of prefrontal and motor areas during a tai chi chuan task in patients with Type 2 diabetes mellitus (T2DM) and major depressive disorder (MDD) using wearable functional near-infrared spectroscopy (fNIRS).
Methods: Three parallel groups (T2DM with DD group, T2DM group, and healthy group) were recruited from December 10, 2022, to May 31, 2023. Participants in three groups conducted a motor task of tai chi chuan designed by Eprime 3.0, and fNIRS was used to monitor the brain activation, functional connectivity (FC), and lateralization of prefrontal and motor areas. Correlation analyses were performed to examine the relationship between depressive symptoms and the function of prefrontal and motor areas.
Results: Ninety elder adults (aged ≥ 60), including 30 patients with T2DM and MDD, 30 patients with T2DM, and 30 healthy subjects, were enrolled. In contrast with the patients with T2DM and healthy subjects, the patients with T2DM and MDD had decreased activation and abnormal lateralization in prefrontal and motor areas and decreased FC among supplementary motor area, motor area, and dorsolateral prefrontal cortex (DLPFC). Furthermore, the oxyhemoglobin (HbO) concentration value of DLPFC in patients with T2DM and MDD was negatively associated with scores of Hamilton Depression Scale-24 (HAMD-24).
Conclusions: Patients with T2DM and MDD had characteristic functional changes in prefrontal and motor areas. DLPFC may be a potential target of diagnosis and intervention for patients with T2DM and MDD.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11460607 | PMC |
| http://dx.doi.org/10.1002/brb3.70071 | DOI Listing |
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