Improve Relaxation and Mood by Walking in a Forest

Improve Relaxation and Mood by Walking in a Forest

 

By John M. de Castro, Ph.D.

 

“Forest bathing isn’t just hiking, but it also isn’t hard to learn. It won’t necessarily change your life. But it has roots in a real, scientifically observed process, and it’s a great way to learn basic meditation.” – Nick Douglas

 

Modern living is stressful, perhaps, in part because it has divorced us from the natural world that our species was immersed in throughout its evolutionary history. Modern environments may be damaging to our health and well-being simply because the species did not evolve to cope with them. This suggests that returning to nature, at least occasionally, may be beneficial. Indeed, researchers are beginning to study nature walks or what the Japanese call “Forest Bathing” and their effects on our mental and physical health.

 

Mindfulness practices have been found routinely to reduce the psychological and physiological responses to stress. People have long reported that walking in nature elevates their mood. It appears intuitively obvious that if it occurred in a beautiful natural place, it would greatly lift the spirits. But, there is little systematic research regarding these effects. It’s possible that walking in nature might improve relaxation and mood and relieve stress..

 

In today’s Research News article “Effects of Walking in Bamboo Forest and City Environments on Brainwave Activity in Young Adults.” (See summary below or view the full text of the study at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5896408/ ), Hassan and colleagues recruited college students and randomly assigned them to one of two groups. The first group walked for 15 minutes in a bamboo forest on day one while on the second day walked for 15 minutes in a city. The second group did the same but in reverse order. Participants blood pressure and mood were measured before and after the walks and their brain activity was measured with an Electroencephalogram (EEG) during the walks.

 

They found that walking in both environments reduced blood pressure but blood pressure was significantly lower both before and after the bamboo forest walk. During the bamboo forest but not the city walks, the EEG had significant increases in rhythmic activity in the alpha (8-12 cycles per second) and theta (4-7.5 cycles per second) rhythm bands. These are the same bands that increase during meditation. There was also a significant increase in the beta (13-30 cycles per second) rhythm band which is associated with attention. In addition, after the bamboo forest walk, the students reported feeling more relaxed, comfortable, and natural, and less anxious, than after the city walk.

 

These are interesting results that demonstrate that “Forest Bathing”, walking in a bamboo forest for 15 minutes, produces both a physiological and psychological relaxation and mood improvement. The Electroencephalogram (EEG) results suggest that walking in a forest has similar effects to that of meditation. Indeed, performing walking meditation in nature has been found to significantly improve responses to stress. These results, then, are empirical support for the long-held belief that walking in nature has particularly beneficial effects.

 

So, improve relaxation and mood by walking in a forest.

 

“The idea that spending time in nature is good for our health is not new. Most of human evolutionary history was spent in environments that lack buildings and walls. Our bodies have adapted to living in the natural world. But today most of us spend much of our life indoors, or at least tethered to devices. Perhaps the new forest bathing trend is a recognition that many of us need a little nudge to get back out there.” – Allison Aubrey

 

CMCS – Center for Mindfulness and Contemplative Studies

 

This and other Contemplative Studies posts are also available on Google+ https://plus.google.com/106784388191201299496/posts and on Twitter @MindfulResearch

 

Study Summary

 

Hassan, A., Tao, J., Li, G., Jiang, M., Aii, L., Zhihui, J., … Qibing, C. (2018). Effects of Walking in Bamboo Forest and City Environments on Brainwave Activity in Young Adults. Evidence-Based Complementary and Alternative Medicine : eCAM, 2018, 9653857. http://doi.org/10.1155/2018/9653857

 

Abstract

Background. In Japan, “Shinrin-yoku” or forest bathing (spending time in forests) is a major practice used for relaxation. However, its effects on promoting human mental health are still under consideration. The objective of this study was to investigate the physiological and psychological relaxation effects of forest walking on adults. Sixty participants (50% males; 50% females) were trained to walk 15-minute predetermined courses in a bamboo forest and a city area (control). The length of the courses was the same to allow comparison of the effects of both environments. Blood pressure and EEG results were measured to assess the physiological responses and the semantic differential method (SDM) and STAI were used to study the psychological responses. Blood pressure was significantly decreased and variation in brain activity was observed in both environments. The results of the two questionnaires indicated that walking in the bamboo forest improves mood and reduces anxiety. Moreover, the mean meditation and attention scores were significantly increased after walking in a bamboo forest. The results of the physiological and psychological measurements indicate the relaxing effects of walking in a bamboo forest on adults.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5896408/

 

Improve PTSD After Sexual Trauma with Mindfulness Plus Exercise

Improve PTSD After Sexual Trauma with Mindfulness Plus Exercise

 

By John M. de Castro, Ph.D.

 

“Clinical studies have shown that mindfulness-based treatments can be helpful for people suffering from PTSD. The non-judgmental outlook that mindfulness works to cultivate can help folks accept their thoughts, emotions, and experiences, and reduce the avoidance, intrusive thoughts, and numbness symptoms characteristic of PTSD. Mindfulness practices may decrease survivors’ feelings of guilt, shame, and other negative emotions, and increase their positive feelings toward themselves and others.” – Jezmina Von Thiele

 

Experiencing trauma is quite common. It has been estimated that 60% of men and 50% of women will experience a significant traumatic event during their lifetime. Many, but, only a fraction will develop Post-Traumatic Stress Disorder (PTSD). But this still results in a frightening number of people with 7%-8% of the population developing PTSD at some point in their life. PTSD can be produced by interpersonal violence which includes physical or sexual violence. Sexual violence is all too common with 1 out of every 6 women having experienced attempted or completed rape in their lifetime.

 

PTSD involves a number of troubling symptoms including reliving the event with the same fear and horror in nightmares or with a flashback. PTSD sufferers avoid situations that remind them of the event this may include crowds, driving, movies, etc. and may avoid seeking help because it keeps them from having to think or talk about the event. They often experience negative changes in beliefs and feelings including difficulty experiencing positive or loving feelings toward other people, avoiding relationships, memory difficulties, or see the world as dangerous and no one can be trusted. Sufferers may feel hyperarousal, feeling keyed up and jittery, or always alert and on the lookout for danger. They may experience sudden anger or irritability, may have a hard time sleeping or concentrating, may be startled by a loud noise or surprise.

 

Obviously, these are serious and troubling symptoms that need to be addressed. There are a number of therapies that have been developed to treat PTSD. One of which, mindfulness training has been found to be particularly effective. Exercise also appears to be effective in treating the symptoms of PTSD. So, it would seem reasonable to examine the combination of exercise and mindfulness training in treating PTSD.

 

In today’s Research News article “MAP Training My Brain™: Meditation Plus Aerobic Exercise Lessens Trauma of Sexual Violence More Than Either Activity Alone.” (See summary below or view the full text of the study at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5924799/ ), Shors and colleagues recruited adult college women and randomly assigned them to one of four conditions; meditation, aerobic exercise, meditation plus aerobic exercise, or no treatment. Meditation and aerobic exercise sessions lasted 30 minutes each. There were 2 sessions per week for 6 weeks. They were measured before and after training for thoughts and feelings following trauma, self-worth, rumination, and stressful life memories.

 

They found that after the combined meditation plus exercise condition and meditation alone, but not exercise alone or no treatment, there was a significant reduction in thoughts and feelings following trauma. They also found that only after the combined meditation plus exercise condition were there significant reductions in rumination and increases in self-worth. When women who had experience sexual trauma were examined, they found that only after the combined meditation plus exercise condition, were there significant reductions in thoughts and feelings following trauma, and rumination and increases in self-worth.

 

These results suggest that the combination of exercise plus meditation is much more effective in reducing trauma related psychological symptoms than either alone especially in women who had experienced sexual trauma. This suggests that treating both the mind and the body is particularly effective in dealing with the psychological sequela of trauma. It will be interesting in future research to see if this is also true in treating PTSD in men and with physical and combat trauma.

 

So, improve PTSD after sexual trauma with mindfulness plus exercise.

 

“Women who experience sexual violence, and people who experience trauma, tend to ruminate over what happened—asking themselves why it happened or if they could have done something differently. The more you think about it, the more you go over the memories, the more memories you make. MAP Training diminished those thoughts in women who experienced violence.” – Tracey Shors

 

CMCS – Center for Mindfulness and Contemplative Studies

 

This and other Contemplative Studies posts are available also available on Google+ https://plus.google.com/106784388191201299496/posts and on Twitter @MindfulResearch

 

Study Summary

 

Tracey J. Shors, Han Y. M. Chang, Emma M. Millon. MAP Training My Brain™: Meditation Plus Aerobic Exercise Lessens Trauma of Sexual Violence More Than Either Activity Alone. Front Neurosci. 2018; 12: 211. Published online 2018 Apr 23. doi: 10.3389/fnins.2018.00211

 

Abstract

Sexual violence against women often leads to post-traumatic stress disorder (PTSD), a mental illness characterized by intrusive thoughts and memories about the traumatic event (Shors and Millon, 2016). These mental processes are obviously generated by the brain but often felt in the body. MAP Training My Brain™ is a novel clinical intervention that combines mental training of the brain with physical training of the body (Curlik and Shors, 2013; Shors et al., 2014). Each training session begins with 20-min of sitting meditation, followed by 10-min of slow-walking meditation, and ending with 30-min of aerobic exercise at 60–80% of the maximum heart rate (see maptrainmybrain.com). In previous studies, the combination of mental and physical (MAP) training together significantly reduced symptoms of depression and ruminative thoughts, while reducing anxiety (Shors et al., 20142017; Alderman et al., 2016). We also documented positive changes in brain activity during cognitive control and whole-body oxygen consumption in various populations. In the present pilot study, we asked whether the combination of meditation and aerobic exercise during MAP Training would reduce trauma-related thoughts, ruminations, and memories in women and if so, whether the combination would be more effective than either activity alone. To test this hypothesis, interventions were provided to a group of women (n = 105), many of whom had a history of sexual violence (n = 32). Groups were trained with (1) MAP Training, (2) meditation alone, (3) aerobic exercise alone, or (4) not trained. Individuals in training groups completed two sessions a week for at least 6 weeks. MAP Training My Brain™ significantly reduced post-traumatic cognitions and ruminative thoughts in women with a history of sexual violence, whereas meditation alone, and exercise alone did not. MAP Training significantly enhanced a measure of self-worth, whereas meditation and exercise alone did not. Similar positive effects were observed for all participants, although meditation alone was also effective in reducing trauma-related thoughts. Overall, these data indicate the combination of meditation and exercise is synergistic. As a consequence, MAP Training is preferable and especially so for women who have experienced sexual violence in their past. Simply put, the whole is greater than the sum of its parts.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5924799/

 

Improve Enjoyment of Exercise with Mindfulness

Improve Enjoyment of Exercise with Mindfulness

 

By John M. de Castro, Ph.D.

 

“Kick your boring treadmill cardio up a notch with mindfulness! Practicing mindfulness while on the treadmill doubles your cardio’s health benefits without any extra work or time.” – Justin Vict

 

There are clearly established benefits to regular exercise for the health and well-being of the individual. But many people find exercise aversive and as a result do not exercise. In fact, the number of people who exercise regularly has been declining over the last few decades, while at the same time, the understanding of the health benefits of exercise has been increasing. It has been estimated that only about 20% of adults meet minimal criteria of engagement in aerobic activity. Hence, there in order to improve the health of the population, method need to be discovered to help motivate people to exercise.

 

Mindfulness practices have been shown to heighten the enjoyment of many activities and heighten positive emotional experiences and lower aversive emotional experiences. It is reasonable to expect, then, that training in mindfulness would increase the enjoyment of exercise and reduce the aversion to exercise. This would make it more likely that exercise averse people would begin and sustain an exercise program. In today’s Research News article “Mindfulness and Affective Responses to Treadmill Walking in Individuals with Low Intrinsic Motivation to Exercise.” (See summary below or view the full text of the study at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5841682/ ), Cox and colleagues examined the effects of mindfulness instructions on participants’ feelings while exercising.

 

They recruited college students between the ages of 18 to 35 years who either engaged in no or moderate physical activity and who had low motivation to exercise. They participated in 3 30-minute sessions. In the first they performed a progressive walking exercise on a treadmill designed to bring their heart rate to 65% of their maximum heart rate for 10 minutes. In the 2nd and 3rd sessions they engaged in identical sessions while in the 3rd they also listened to a recorded mindfulness script. The script was designed to bring attention to the physical experience of walking on a treadmill during the 10-minute target heart rate period. Measurements were taken before during and after the exercise of feelings of pleasure and displeasure and perceived exertion.

 

They found that when the participants were exercising while listening to a mindfulness script their emotions were significantly more positive and their attention significantly more focused than when simply exercising. Hence, the mindfulness condition resulted in a better exercise experience for individuals who do not enjoy exercise; they had more positive feelings and were more attentive to the exercise. This suggests that mindfulness may be of assistance in motivating exercise averse people to engage in exercise. Future research should explore the long-term effects of mindfulness training on the likelihood of engaging in exercise and sustaining  participation.

 

So, improve enjoyment of exercise with mindfulness.

 

“Adding a practice of mindfulness to your workouts not only takes the dread out of exercise, but increases your connection to your body and the wisdom it has to offer.” – Sandra Pawula

 

CMCS – Center for Mindfulness and Contemplative Studies

 

This and other Contemplative Studies posts are also available on Google+ https://plus.google.com/106784388191201299496/posts and on Twitter @MindfulResearch

 

Study Summary

 

Cox, A. E., Roberts, M. A., Cates, H. L., & Mcmahon, A. K. (2018). Mindfulness and Affective Responses to Treadmill Walking in Individuals with Low Intrinsic Motivation to Exercise. International Journal of Exercise Science, 11(5), 609–624.

 

Abstract

An aversion to the sensations of physical exertion can deter engagement in physical activity. This is due in part to an associative focus in which individuals are attending to uncomfortable interoceptive cues. The purpose of this study was to test the effect of mindfulness on affective valence, ratings of perceived exertion (RPE), and enjoyment during treadmill walking. Participants (N=23; Mage=19.26, SD = 1.14) were only included in the study if they engaged in no more than moderate levels of physical activity and reported low levels of intrinsic motivation. They completed three testing sessions including a habituation session to determine the grade needed to achieve 65% of heart rate reserve (HRR); a control condition in which they walked at 65% of HRR for 10 minutes and an experimental condition during which they listened to a mindfulness track that directed them to attend to the physical sensations of their body in a nonjudgmental manner during the 10-minute walk. ANOVA results showed that in the mindfulness condition, affective valence was significantly more positive (p = .02, ηp2 = .22), enjoyment and mindfulness of the body were higher (p < .001, ηp2 = .36 and .40, respectively), attentional focus was more associative (p < .001, ηp2 =.67) and RPE was minimally lower (p = .06, ηp2 =.15). Higher mindfulness of the body was moderately associated with higher enjoyment (p < .05, r =.44) in the mindfulness but not the control condition. Results suggest that mindfulness during exercise is associated with more positive affective responses.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5841682/

 

Improve Cancer Survivor Quality of Life with Exercise or Mindfulness

Improve Cancer Survivor Quality of Life with Exercise or Mindfulness

 

By John M. de Castro, Ph.D.

 

“One of the main reasons people with cancer use meditation is to help them to feel better. Meditation can reduce anxiety and stress. It might also help control problems such as: pain, difficulty sleeping, tiredness, feeling sick, high blood pressure.” – Cancer Research UK

 

Receiving a diagnosis of cancer has a huge impact on most people. Feelings of depression, anxiety, and fear are very common and are normal responses to this life-changing and potentially life-ending experience. These feeling can result from changes in body image, changes to family and work roles, feelings of grief at these losses, and physical symptoms such as pain, nausea, or fatigue. People might also fear death, suffering, pain, or all the unknown things that lie ahead. So, coping with the emotions and stress of a cancer diagnosis is a challenge and there are no simple treatments for these psychological sequelae of cancer diagnosis.

 

But cancer diagnosis is not necessarily a death sentence. Over half of the people diagnosed with cancer are still alive 10 years later and this number is rapidly increasing. It is estimated that 15 million adults and children with a history of cancer are alive in the United States today. But, surviving cancer carries with it a number of problems. “Physical, emotional, and financial hardships often persist for years after diagnosis and treatment. Cancer survivors are also at greater risk for developing second cancers and other health conditions.” National Cancer Survivors Day.

 

Mindfulness training has been shown to help with cancer recovery and help to alleviate many of the residual physical and psychological symptoms, including stress,  sleep disturbance, and anxiety and depression. In today’s Research News article “Review of systematic reviews of non-pharmacological interventions to improve quality of life in cancer survivors.” (See summary below or view the full text of the study at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5719270/ ), Duncan and colleagues summarize the published scientific reviews of randomized controlled trials on the effects of non-drug interventions on the quality of life of adult cancer survivors. The interventions included fell into a number of categories including physical (e.g. aerobic exercise, yoga), psychological education,  peer support, and mind-body therapies (Mindfulness-Based Stress Reduction (MBSR), cognitive behavioral therapy (CBT), psychotherapy, relaxation training).

 

They discovered 21 published reviews of 362 randomized controlled trials. They found that the literature supported the efficacy of aerobic exercise, yoga, cognitive behavioral therapy (CBT), and Mindfulness-Based Stress Reduction (MBSR) in improving the quality of life in cancer survivors. Hence, published scientific randomized controlled trials of non-drug treatment approaches demonstrate that the quality of life of cancer survivors can be improved with exercise, CBT, and mindfulness practices such as MBSR and yoga.

 

It was not reported how these practices might improve quality of life in cancer survivors. But, it can be speculated that because cancer treatments are physically demanding and of themselves produce physical debilitation, that exercise is a useful countermeasure to help overcome the physical losses occurring in treatment. It can also be speculated that mindfulness training may be helpful by improving the survivor’s ability to regulate the emotions produced by a cancer diagnosis and its treatment. These include anxiety, depression, fear, catastrophizing etc. By improving the ability to feel these emotions but react to them adaptively and thereby not amplifying them, the survivors may help to improve their emotional well-being and as a result their quality of life.

 

So, improve cancer survivor quality of life with exercise or mindfulness.

 

“We already know that psychosocial interventions like mindfulness meditation will help you feel better mentally, but now for the first time we have evidence that they can also influence key aspects of your biology,” – Linda Carlson

 

CMCS – Center for Mindfulness and Contemplative Studies

 

This and other Contemplative Studies posts are also available on Google+ https://plus.google.com/106784388191201299496/posts and on Twitter @MindfulResearch

 

Study Summary

 

Duncan, M., Moschopoulou, E., Herrington, E., Deane, J., Roylance, R., Jones, L., … Bhui, K. (2017). Review of systematic reviews of non-pharmacological interventions to improve quality of life in cancer survivors. BMJ Open, 7(11), e015860. http://doi.org/10.1136/bmjopen-2017-015860

 

Strengths and limitations of this study

  • This is a systematic review of reviews and evidence synthesis of non-pharmacological interventions in cancer survivors.
  • Longer term studies are needed and studies of greater methodological quality that adopt similar reporting standards.
  • Definitions of survivor varied and more studies are needed for different types of cancer, and specifically for patients who have poor quality of life.
  • More studies are needed that investigate educational, online and multidisciplinary team-based interventions.
  • This review has some limitations in the methodology. Studies not in English and grey literature were not included. This was a review of reviews: we did not review individual studies focused on specific cancers or stage, and we did not reassess the quality of the primary studies included in each review.

 

Abstract

Objectives

Over two million people in the UK are living with and beyond cancer. A third report diminished quality of life.

Design

A review of published systematic reviews to identify effective non-pharmacological interventions to improve the quality of life of cancer survivors.

Data sources

Databases searched until May 2017 included PubMed, Cochrane Central, EMBASE, MEDLINE, Web of Science, the Cumulative Index to Nursing and Allied Health Literature, and PsycINFO.

Study selection

Published systematic reviews of randomised trials of non-pharmacological interventions for people living with and beyond cancer were included; included reviews targeted patients aged over 18. All participants had already received a cancer diagnosis. Interventions located in any healthcare setting, home or online were included. Reviews of alternative therapies or those non-English reports were excluded. Two researchers independently assessed titles, abstracts and the full text of papers, and independently extracted the data.

Outcomes

The primary outcome of interest was any measure of global (overall) quality of life.

Analytical methods

Quality assessment assessing methdological quality of systematic reviews (AMSTAR) and narrative synthesis, evaluating effectiveness of non-pharmacological interventions and their components.

Results

Of 14 430 unique titles, 21 were included in the review of reviews. There was little overlap in the primary papers across these reviews. Thirteen reviews covered mixed tumour groups, seven focused on breast cancer and one focused on prostate cancer. Face-to-face interventions were often combined with online, telephone and paper-based reading materials. Interventions included physical, psychological or behavioural, multidimensional rehabilitation and online approaches. Yoga specifically, physical exercise more generally, cognitive behavioural therapy (CBT) and mindfulness-based stress reduction (MBSR) programmes showed benefit in terms of quality of life.

Conclusions

Exercise-based interventions were effective in the short (less than 3–8 months) and long term. CBT and MBSR also showed benefits, especially in the short term. The evidence for multidisciplinary, online and educational interventions was equivocal.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5719270/

Improve Depression and Cognitive Decline with Yoga

Improve Depression and Cognitive Decline with Yoga

 

By John M. de Castro, Ph.D.

 

“For years, we’ve been told to keep our minds sharp by doing crosswords and playing Sudoku. But yoga and meditation are more effective than memory exercises for combating the mental decline that often precedes Alzheimer’s. People who practised yoga regularly were also less likely to be depressed and anxious, and were better able to cope with stress. Regular practice could be a simple, safe and low-cost solution to improving brain fitness and ward off ageing.” Madlen Davies

 

The aging process involves a systematic progressive decline in every system in the body, the brain included. This includes our mental abilities which decline with age including impairments in memory, attention, and problem solving ability. It is inevitable and cannot be avoided. But there are more serious declines.

 

Dementia is a progressive loss of mental function produced by degenerative diseases of the brain. Dementia patients require caregiving particularly in the later stages of the disease. Alzheimer’s disease is the most common type of dementia and accounts for 50 to 70 percent of dementia cases. Other types of dementia include vascular dementia, mixed dementia, dementia with Lewy bodies and frontotemporal dementia. Mild cognitive impairment (MCI) is an intermediate stage between the expected cognitive decline of normal aging and the more-serious decline of dementia. It can involve problems with memory, language, thinking and judgment that are greater than normal age-related changes.

 

There is some hope for age related cognitive decline, however, as there is evidence that they can be slowed. There are some indications that physical and mental exercise can reduce the rate of cognitive decline and lower the chances of dementia. For example, contemplative practices such as meditation, yoga, and tai chi or qigong have all been shown to be beneficial in slowing or delaying physical and mental decline with aging. Mindfulness practices have been shown to improve cognitive processes while gentle mindful exercises such as Tai Chi and Qigong have been shown to slow age related cognitive decline.

 

These age-related declines in mental ability are associated with mood disturbance, particularly depression. So, depression is a potentially modifiable risk factor for cognitive decline in aging. In today’s Research News article “The Roles of Exercise and Yoga in Ameliorating Depression as a Risk Factor for Cognitive Decline.” See summary below: Mathersul and Rosenbaum review the published research literature on the effectiveness of yoga and exercise to relieve depression and restrain cognitive decline.

 

They find that the published literature demonstrates that exercise, including aerobic exercise and strength training improve cognitive ability even in younger individuals and also relieves depression. In addition, the published literature demonstrates that yoga practice is also effective in reducing depression and also restraining cognitive decline. The hormonal system particularly the hypothalamic-pituitary adrenal axis that produces cortisol and sympathetic nervous system, involved in the stress response, may be the common intermediaries as both are associated with cognitive decline and depressions and both are reduced by both yoga and exercise. But, this speculation has yet to be definitively tested.

 

These findings are interesting but are correlational and do not demonstrate causal links between yoga and exercise effects on depression and, in turn, age related cognitive decline. It remains to future research to clarify this issue. Regardless, it is clear that both exercise and yoga are effective to reducing depression and cognitive decline in aging, making them excellent practices for healthy aging.

 

So, improve depression and cognitive decline with yoga.

 

“This ancient Indian practice of exercise, breathing, and meditation has been around for about 5,000 years, and now researchers are finding out why millions of Americans practice yoga to ease depression, anxiety, and stress. In fact, the American Yoga Association says just a few minutes of yoga three times every day can balance your body and mind and get your depression on the run.” – Chris Lliades

 

CMCS – Center for Mindfulness and Contemplative Studies

 

This and other Contemplative Studies posts are also available on Google+ https://plus.google.com/106784388191201299496/posts and on Twitter @MindfulResearch

 

Study Summary

Danielle C. Mathersul and Simon Rosenbaum, “The Roles of Exercise and Yoga in Ameliorating Depression as a Risk Factor for Cognitive Decline,” Evidence-Based Complementary and Alternative Medicine, vol. 2016, Article ID 4612953, 9 pages, 2016. doi:10.1155/2016/4612953

 

Abstract

Currently, there are no effective pharmaceutical treatments to reduce cognitive decline or prevent dementia. At the same time, the global population is aging, and rates of dementia and mild cognitive impairment (MCI) are on the rise. As such, there is an increasing interest in complementary and alternative interventions to treat or reduce the risk of cognitive decline. Depression is one potentially modifiable risk factor for cognitive decline and dementia. Notably, exercise and yoga are two interventions known to both reduce symptoms of depression and improve cognitive function. The current review discusses the efficacy of exercise and yoga to ameliorate depression and thereby reduce the risk of cognitive decline and potentially prevent dementia. Potential mechanisms of change, treatment implications, and future directions are discussed.

Relieve Depression with Meditation and Exercise

Meditation Exercise Brain depression2 Alderman

By John M. de Castro, Ph.D.

 

“Studies have already suggested that physical activity can play a powerful role in reducing depression; newer, separate research is showing that meditation does, too. Now some exercise scientists and neuroscientists believe there may be a uniquely powerful benefit in combining the two.” – Melissa Dahl

 

Major Depressive Disorder (MDD) is a severe mood disorder that includes mood dysregulation and cognitive impairment. It is estimated that 16 million adults in the U.S. (6.9% of the population suffered from major depression in the past year and affects females (8.4%) to a great extent than males (5.2%). It is second-leading cause of disability in the world following heart disease. The usual treatment of choice for MDD is drug treatment. In fact, it is estimated that 10% of the U.S. population is taking some form of antidepressant medication. But a substantial proportion of patients (~40%) do not respond to drug treatment. In addition, the drugs can have nasty side effects. So, there is need to explore other treatment options.

 

It has been shown that aerobic exercise can help to relieve depression. But, depressed individuals lack energy and motivation and it is difficult to get them to exercise regularly. As a result, aerobic exercise has not been used very often as a treatment. Recently, it has become clear that mindfulness practices are effective for the relief of major depressive disorder and as a preventative measure to discourage relapses. Mindfulness can be used as a stand-alone treatment or in combination with drugs. It is even effective when drugs fail to relieve the depression.

 

As yet there has been no attempt to combine aerobic exercise and mindfulness training for major depressive disorder. It is possible that mindfulness practice may improve depression sufficiently to energize the individual to engage in aerobic exercise. So, the combination may be uniquely beneficial. In today’s Research News article “MAP training: combining meditation and aerobic exercise reduces depression and rumination while enhancing synchronized brain activity”

https://www.facebook.com/ContemplativeStudiesCenter/photos/a.628903887133541.1073741828.627681673922429/1217959668227957/?type=3&theater

http://www.nature.com/tp/journal/v6/n2/full/tp2015225a.html

Alderman and colleagues employ a combination of 20 minutes of minutes of sitting meditation followed immediately by 10 minutes of walking meditation with 30 minutes of aerobic exercise either on a treadmill or stationary bicycle. They tested the impact of this combination on a group of adults with major depressive disorder and a group of healthy non-depressed individuals.

 

They found that the treatment reduced depression in both groups but to a much greater extent with the depressed patients, reducing it by 40%. The treatment also reduced ruminative thinking in both groups. They also found that the combined aerobic exercise and mindfulness training changed the brains response to a cognitive task. After training there was a larger N2 (negative response) observed in the brains evoked electrical activity (ERP) and a larger P3 (positive response) in the ERP in response to the cognitive task.

 

The P3 response in the evoked potential (ERP) occurs around a quarter of a second following the stimulus presentation. It is a positive change that is maximally measured over the central frontal lobe. The P3 response has been associated with the engagement of attention. So, the P3 response is often used as a measure of brain attentional processing with the larger the positive change the greater the attentional focus. The N2 response in the evoked potential (ERP) generally precedes the P3 response. It is a negative change that is maximally measured over the frontal lobe. The N2 response has been associated with the engagement of attention to a new or novel stimulus. So, the N2 response is often used as a measure of brain attentional processing with the large the negative changes an indication of greater discrimination of new stimuli.

 

The findings indicate that the combination training improves brain electrical activity indicators of attention and stimulus discrimination during a cognitive task. It was also found that the size of the N2 response was negatively related to the amount of decrease in ruminative thought. Ruminative thought which requires attention to memories of the past and attention to the present cannot occur at the same time. So, by improving attention the training appeared to improve attention to the present and thereby decrease rumination which is a major contributor to the depressed state.

 

These are interesting and exciting results that suggest that the combination of mindfulness and aerobic exercise training may be a potent and effective treatment for major depressive disorder. This is particularly important as aerobic exercise and mindfulness training both have many other physical and psychological benefits and have minimal side effects. They may, in part, be effective by improving attention and thereby decreasing rumination in depressed patients. Given the design of the present study it is not possible to determine if the combination is more effective the either component alone or the sum of their independent effectiveness. Future research should address this issue.

 

So, relieve depression with meditation and exercise.

 

“We know these therapies can be practiced over a lifetime and that they will be effective in improving mental and cognitive health. The good news is that this intervention can be practiced by anyone at any time and at no cost.” – Brandon Alderman

 

CMCS – Center for Mindfulness and Contemplative Studies

 

 

Study Summary

 

B L Alderman, R L Olson, C J Brush and T J Shors. MAP training: combining meditation and aerobic exercise reduces depression and rumination while enhancing synchronized brain activity. Translational Psychiatry (2016) 6, e726; doi:10.1038/tp.2015.225. Published online 2 February 2016

 

Abstract

Mental and physical (MAP) training is a novel clinical intervention that combines mental training through meditation and physical training through aerobic exercise. The intervention was translated from neuroscientific studies indicating that MAP training increases neurogenesis in the adult brain. Each session consisted of 30 min of focused-attention (FA) meditation and 30 min of moderate-intensity aerobic exercise. Fifty-two participants completed the 8-week intervention, which consisted of two sessions per week. Following the intervention, individuals with major depressive disorder (MDD; n=22) reported significantly less depressive symptoms and ruminative thoughts. Typical healthy individuals (n=30) also reported less depressive symptoms at follow-up. Behavioral and event-related potential indices of cognitive control were collected at baseline and follow-up during a modified flanker task. Following MAP training, N2 and P3 component amplitudes increased relative to baseline, especially among individuals with MDD. These data indicate enhanced neural responses during the detection and resolution of conflicting stimuli. Although previous research has supported the individual beneficial effects of aerobic exercise and meditation for depression, these findings indicate that a combination of the two may be particularly effective in increasing cognitive control processes and decreasing ruminative thought patterns.

http://www.nature.com/tp/journal/v6/n2/full/tp2015225a.html