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How Different Types of Meditation Affect the Brain
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How Different Types of Meditation Affect the Brain. Be it mindfulness, zen, acem, meditation drumming, chakra, Buddhist, or transcendental meditation, there are countless ways to meditate. Researchers are now parsing how the brain works during different kinds of meditation.
“No one knows how the brain works when you meditate. That is why I’d like to study it,” says Jian Xu, M.D., a physician at St. Olavs Hospital and a researcher at the Department of Circulation and Medical Imaging at the Norwegian University of Science and Technology (NTNU).
Along with colleagues at the University of Oslo and the University of Sydney, Xu’s research was recently published in the journal Frontiers in Human Neuroscience.
Different meditation techniques can actually be divided into two main groups. One type is concentrative meditation, where the meditating person focuses attention on his or her breathing or on specific thoughts, and in doing so, suppresses other thoughts.
The other type may be called nondirective meditation, where the person who is meditating effortlessly focuses on his or her breathing or on a meditation sound, but beyond that the mind is allowed to wander as it pleases. Some modern meditation methods are of this nondirective kind.
Fourteen people who had extensive experience with the Norwegian technique of Acem meditation were tested in an magnetic resonance imaging (MRI) machine. In addition to simple resting, they undertook two different mental meditation activities, nondirective meditation and a more concentrative meditation task.
The research team wanted to test people who were used to meditation because it meant fewer misunderstandings about what the subjects should actually be doing while they lay in the MRI machine.
Nondirective meditation led to higher activity than during rest in the part of the brain dedicated to processing self-related thoughts and feelings. When test subjects performed concentrative meditation, the activity in this part of the brain was almost the same as when they were just resting.
“I was surprised that the activity of the brain was greatest when the person’s thoughts wandered freely on their own, rather than when the brain worked to be more strongly focused,” said Xu.
“When the subjects stopped doing a specific task and were not really doing anything special, there was an increase in activity in the area of the brain where we process thoughts and feelings. It is described as a kind of resting network. And it was this area that was most active during nondirective meditation,” he said.
“The study indicates that nondirective meditation allows for more room to process memories and emotions than during concentrated meditation,” said Svend Davanger, M.D., Ph.D., a neuroscientist at the University of Oslo, and co-author of the study.
“This area of the brain has its highest activity when we rest. It represents a kind of basic operating system, a resting network that takes over when external tasks do not require our attention. It is remarkable that a mental task like nondirective meditation results in even higher activity in this network than regular rest,” said Davanger.
Acem meditation is a technique that falls under the category of nondirective meditation. Davanger believes that good research depends on having a team that can combine personal experience with meditation with a critical attitude towards results.
“Meditation is an activity that is practiced by millions of people. It is important that we find out how this really works,” said Davanger.
Source: Norwegian University of Science and Technology
Abstract of brain photo by shutterstock.
APA Reference
Nauert, R. (2014). How Different Types of Meditation Affect the Brain. Psych Central. Retrieved on December 29, 2014, from http://psychcentral.com/news/2014/05/19/how-different-types-of-meditation-affect-the-brain/70052.htmlvia http://psychcentral.com/news/2014/05/19/how-different-types-of-meditation-affect-the-brain/70052.html