Yoga has the opposite effect on your brain as chronic pain.
Chronic pain triggers changes in brain structure that are linked to depression, anxiety, and impaired cognitive function. New research shows that practicing yoga has the opposite effect on the brain and can relieve chronic pain.
Chronic pain alters brain structure. Brain imaging studies have shown that chronic pain leads to changes in gray matter volume and the integrity of white matter connectivity. Gray matter is home to the neurons in specific brain regions, while white matter creates communication lines between your various brain regions.
In a recent lecture, Catherine Bushnell, presented findings from cutting edge research on the ability of yoga to counteract chronic pain that she's spearheading at the National Institute of Health.
Catherine Bushnell, PhD, is scientific director of the National Center for Complementary and Integrative Health (NCCIH) at the U.S. National Institutes of Health (NIH) where she oversees a program on the brain’s role in perceiving, modifying, and managing pain. In a press release, Bushnell summed up the findings of her research by saying, "Practicing yoga has the opposite effect on the brain as does chronic pain."
Bushnell and her colleagues are conducting research aimed at discovering non-pharmacological treatments for pain. They've found that chronic pain can be prevented or reversed through mind-body practices. Lifestyle choices—such as practicing yoga or meditation—have been shown to reduce pain perception and offset the effects of age-related decreases in gray matter volume while helping to maintain white matter integrity.
Reduced gray matter volume can lead to memory impairment, emotional problems, and decreased cognitive functioning. Hyper-connectivity of white matter tracts between brain areas associated with negative emotions and pain perception can hardwire these corresponding states of mind.
Yoga appears to bulk up gray matter through neurogenesis and strengthen white matter connectivity through neuroplasticity. After assessing the impact of brain anatomy on pain reduction, Bushnell believes that gray matter changes in the insula or internal structures of the cerebral cortex are the most significant players involved in chronic pain.
"Insula gray matter size correlates with pain tolerance, and increases in insula gray matter can result from ongoing yoga practice," said Bushnell. Yoga practitioners have more gray matter than controls in multiple brain regions, including those involved in pain modulation. Bushnell stated,
Brain anatomy changes may contribute to mood disorders and other affective and cognitive comorbidities of chronic pain. The encouraging news for people with chronic pain is mind-body practices seem to exert a protective effect on brain gray matter that counteracts the neuroanatomical effects of chronic pain. Some gray matter increases in yogis correspond to duration of yoga practice, which suggests there is a causative link between yoga and gray matter increases.
Rodent studies have shown that increased levels of stress alters pain behaviors, whereas socially and physically enriched environments reduce reduce pain-related brain changes. These findings in both humans and animals indicate that the adverse effects of chronic pain can be reduced, or prevented, by altering environmental factors and making lifestyle choices that improve the pain modulatory systems in the brain.
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And try these 3 strategies for managing chronic pain.