Mindfulness training has physical, psychological, emotional, and spiritual components. Mindfulness-Based Stress Reduction (MBSR) is even more complex as it contains yoga and body scan in addition to meditation. Because of the complexity and the variety of effects of these practices it is difficult to know which components are effective in promoting well-being and which are not.
In today’s Research News article “Decreased Symptoms of Depression After Mindfulness-Based Stress Reduction: Potential Moderating Effects of Religiosity, Spirituality, Trait Mindfulness, Sex, and Age.”
It is well established that MBSR is quite effective in treating and preventing depression. But it is not clear who benefits the most and what characteristics of the individual might be related to MBSR effectiveness. Greeson and colleagues investigate this question, particularly whether spirituality and religiosity or other demographic characteristics might be important for MBSR effects on depression. They demonstrate that MBSR acts independent of these other characteristics; it works regardless of level of spirituality or religiousness.
These results should not be surprising as chronic depression, as opposed to reactive depression, appears to be primarily physiologically based. It appears to be a problem with neurotransmitter balance in the central nervous system and is highly related to genetic inheritance. So, it is not surprising that behavioral and psychological characteristics such as spirituality and religiousness would not be associated with effective treatment.
MBSR, like all contemplative practices, has marked physiological effects. It is known to change the nervous system, increasing the size of some areas, decreasing others, and altering connectivity. It also changes hormonal balances and activity in the peripheral nervous system producing greater calm and lower arousal. It is likely that these physiological effects of MBSR are responsible for its effectiveness in treating depression.
This is not to discount the importance of spirituality and religiousness. They can be very helpful with a number of conditions. Had Greeson and colleagues investigated MBSR effects on more experientially based psychological problems, such as eating disorders or panic disorder, they might have seen a large impact of spirituality and religiousness.
It is clear though that depression can be treated effectively with Mindfulness-Based Stress Reduction.
CMCS
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