This is your brain on meditation

Brain processes more thoughts, feelings during meditation, study shows

Meditation is more than just a way to calm our thoughts and lower stress levels: our brain processes more thoughts and feelings during meditation than when you are simply relaxing, a coalition of researchers from Norway and Australia has found.

This-is-your-brain-on-meditation
The left images show the brain during concentrative meditation, while images to the right show the brain during nondirective meditation. Credit: NTNU

Mindfulness. Zen. Acem. Meditation drumming. Chakra. Buddhist and transcendental meditation. There are countless ways of meditating, but the purpose behind them all remains basically the same: more peace, less stress, better concentration, greater self-awareness and better processing of thoughts and feelings.

But which of these techniques should a poor stressed-out wretch choose? What does the research say? Very little — at least until now.

A team of researchers at the Norwegian University of Science and Technology (NTNU), the University of Oslo and the University of Sydney is now working to determine how the brain works during different kinds of meditation. Their most recent results were 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.

“No one knows how the brain works when you meditate. That is why I’d like to study it,” says Jian Xu, who is a physician at St. Olavs Hospital in Trondheim, Norway and a researcher at the Department of Circulation and Medical Imaging at NTNU.

Fourteen people who had extensive experience with the Norwegian technique Acem meditation were tested in an 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.

See also: How meditation can boost brain power in eight weeks

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.”

“The study indicates that nondirective meditation allows for more room to process memories and emotions than during concentrated meditation,” says Svend Davanger, 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,” says Davanger.

Most of the research team behind the study does not practice meditation, although three do: Professors Are Holen and Øyvind Ellingsen from NTNU and Professor Svend Davanger from the University of Oslo.

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. In recent years there has been a sharp increase in international research on meditation. Several universities in the US spend a great deal of money to research in the field. So I think it is important that we are also active,” says Davanger.

Story Source | ScienceDaily

The above story is based on materials provided by The Norwegian University of Science and Technology (NTNU). The original article was written by Nancy Bazilchuk. Note: Materials may be edited for content and length.

Journal Reference | Jian Xu, Alexandra Vik, Inge R. Groote, Jim Lagopoulos, Are Holen, Øyvind Ellingsen, Asta K. Håberg, Svend Davanger. Nondirective meditation activates default mode network and areas associated with memory retrieval and emotional processing. Frontiers in Human Neuroscience, 2014; 8 DOI: 10.3389/fnhum.2014.00086

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