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beta rhythm |
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beta rhythm [′bād·ə ‚rith·əm] (physiology) An electric current of low voltage from the brain, with a pulse frequency of 13-30 per second, encountered in a person who is aroused and anxious. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Tea contains caffeine, but the body reacts to it differently from coffee because of L-theanine, an amino acid in tea that he says promotes ``focused, meditative energy'' in the brain's alpha waves to counteract the fight-or-flight beta wave response to the caffeine. In addition, brainwaves of participants shifted from the more usual waking beta wave state to either alpha-theta or theta wave states; these latter states have been shown to be characteristic of deep meditation. The results of the beta wave of six waves of research identified a trust gap, around which the PLI developed a campaign to help consumers feel more comfortable in today's information economy. |
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