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    Mindfulness for Anxiety: Does Meditation Work?

    October 25, 2016

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    Anxiety disorders are the most common mental health issue in the U.S. today.  Over 40 million people struggle with anxiety and our country spends $42 Billion a year on treatments.  Can we help our anxiety without medication and get effective results?  Enter Dr. Kabat Zinn and Mindfulness Based Stress Reduction as a possible help.

    Meditation has been practice for 2500 years as a spiritual pursuit so it must bring some benefit.  But the relevant question today is: will mindfulness help my modern suffering--my stres, my anxiety, my chronic pain?  The answer is yes.  Researchers have confirmed the benefits of meditation and this month a review of these studies was published in Brain and Cognition.  They looked specifically at research on whether meditation changed brain structures and they found that significant changes occured.  They also found that when comparing long-term meditators and those training for only eight weeks the participants of both groups had similar fMRI profiles. Only eight short weeks of mindfulness created changes in the brain seen in practitioners with years of meditation!

    The technique used in the study was Mindfulness Based Stress Reduction (MBSR), and was created in 1979 at the University of Mass Medical Center by Dr. Kabat Zinn.  He was convinced that he could help people work with their chronic pain and stress but teaching them mindfulness meditation striped of any religious references in a medical, rather than spiritual setting.    Within the 8-week course, participants are taught mindfulness of body, in the form of body scans, and mindfulness of breath, walking meditation, as well as instructions to develop awareness of pain as sensation that can be tolerated rather than needing to be avoided.  

    The research on MBSR for pain management has shown that after the training people experience less pain and psychological discomfort.   Other studies show that the benefits are there, however, the results vary depending on the specific chronic pain condition.  

    And now, 37 years later, MBSR is taught widely and research has moved beyond self-reporting to understanding the actual brain changes through use of imaging technologies.

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    What areas of the brain changed?  The prefrontal cortex, the cingulate cortex, the insula and the hippocampus, areas that are important for emotional regulation, increased in connectivity and activity.  

    The amygdala, seat of the fear/anxiety response, showed decreased activity and more connectivity with the prefrontal cortex, which is what is desired for emotional regulation and impulse control.  This finding demonstrates that mindfulness has a positive impact on anxiety as measured by changes in it's neural activity of the amygdala.  

    Neuroscientist Dr. Richard Davidson at the University of Wisconsin had done extensive research on meditators and documented the brain changes from meditation through using fMRI imaging.  His findings have shown that the right pre-frontal cortex, which is connected with experiencing sadness, has decreased activity after meditation training and the left pre-frontal cortex, which is connected with feeling happiness has increased activity.

    The self-reports from meditators of positive changes in emotions, a general feeling of calmness and mental clarity from Mindfulness Based Stress Reduction training can now been seen as physical changes in brain structures connected with mood regulation and positive emotions.  In the brain region most connected with anxiety, the amygdala, the scans show decreased activity, and more connections with the "rational brain," the pre-frontal cortex, which means feeling less anxious and having more choice in how we respond to circumstances.  Freedom at last!

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