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Exercise, brain plasticity, and depression.

Jin-Lei Zhao1, Wan-Ting Jiang2, Xing Wang2

  • 1School of Physical Education and Health, Shanghai Lixin University of Accounting and Finance, Shanghai, China.

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Summary

Regular exercise positively impacts depression by enhancing brain plasticity, structure, and function. Studies show various exercise types improve symptoms and delay cognitive decline in patients.

Keywords:
brain functionbrain plasticitybrain structuredepressionexercise

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Exercise Science

Background:

  • Depression is a prevalent mental disorder with significant societal and individual burdens.
  • Alterations in brain plasticity are implicated as a key factor in depression.
  • Existing research suggests exercise benefits depression, but comprehensive studies on brain plasticity are limited.

Purpose of the Study:

  • To systematically review the effects of exercise on brain plasticity in depression.
  • To provide evidence supporting exercise for depression prevention and treatment.
  • To understand the mechanisms underlying exercise's antidepressant effects.

Main Methods:

  • Literature search conducted across Web of Science, PubMed, EBSCO host, and CNKI databases.
  • Keywords included "depression," "depressive disorder," "exercise," "brain plasticity," "brain structure," and "brain function."
  • Analysis of randomized controlled trials and observational studies.

Main Results:

  • Increased exercise is negatively correlated with depression risk.
  • Aerobic, resistance, and mind-body exercises demonstrably improve depressive symptoms.
  • Exercise reshapes brain structure, activates brain regions, maintains brain volume integrity, and enhances neuroprocessing.

Conclusions:

  • Exercise offers a viable strategy for managing and potentially preventing depression.
  • Exercise positively influences brain structure and function, mitigating cognitive decline in depression.
  • Further research is needed to optimize exercise prescriptions for diverse depressive populations and utilize advanced neuroimaging techniques.