Differences were reported on the brain changes associated with men and women during stimulation.

"We expected some brain changes but didn't expect so much tissue to be destroyed."

Scientists will also intensively study 40 18- to 25-year-olds to see if brain changes appear in people that young.

They reveal the same fundamental brain changes seen in other addicts of drugs.

Some other form of brain change must contribute to ongoing learning.

After 20 to 40 sessions the brain changes are set in place, practitioners say.

There can also be brain changes, such as memory and concentrations problems.

The monk went through some species of brain change, obviously.

People with the most improvement in behavior showed the greatest amount of brain change.

After a few weeks of consistent use, the user's brain changes.