Five months of daily
meditation may help your brain stay calm during sudden pain.
So says a study on transcendental meditation, published in
Cognitive Neuroscience and Neuropsychology.
Researchers included Zang-Hee Cho, Ph.D., of the University of
California at Irvine, and David Orme-Johnson, Ph.D., of the
Maharishi University of Management in Fairfield, Iowa. According to
Maharishi University's Web site, students and faculty there practice
transcendental meditation.
The researchers studied 24 healthy Californians (average age: 56-58
years) recruited from transcendental meditation centers in Los
Angeles and Orange County.
Long-time meditators made up half the group. They had practiced
transcendental meditation for an average of 31 years.
The other 12 people, who served as the comparison group, had
attended only an introductory lecture about transcendental
meditation.
Hot Water Test
The study started with a quick pain test.
Participants dunked two fingers in warm water for 90 seconds. Then
they put those fingers in hot water for 30 seconds, and then in warm
water for a minute.
Meanwhile, they got their brains scanned with functional magnetic
resonance imaging (fMRI).
Immediately afterwards, they rated the pain they felt during the
test on a scale ranging from "no pain" to "worst possible pain."
Pain ratings were similar for all participants, with them reporting
roughly the same amount of pain from the hot water.
But their brain scans differed. The experienced meditators showed
40% to 50% less brain activity in certain regions in response to the
pain, the study shows.
Change In Five Months
Lastly, those in the comparison group got four days of instruction
in transcendental meditation.
Then, for five months, they meditated 20 minutes, twice a day. Then
they repeated the pain test and brain scans.
This time, the scans showed 40% to 50% less brain activity in
response to the pain, compared with their first scans five months
earlier.
Transcendental meditation may not numb people to sudden pain, but it
may change how the brain responds to that pain, the researchers
conclude.
Miranda Hitti is a medical writer for WebMD.
Before joining WebMD full time, she freelanced for WebMD and
publications including Cooking Light, The
Atlanta Journal/Constitution, and Arthritis Today.
She began her career by working at CNN for five years. Please
see
http://www.webmd.com/content/Biography/8/101415.htm
SOURCES: Orme-Johnson, D. Cognitive Neuroscience and
Neuropsychology, Aug. 21, 2006; Vol.17, pp. 1359-1363 .