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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Brown, "The highs and lows of beta activity in cortico-basal ganglia loops," European Journal of Neuroscience, vol.
Effects of Transcranial Alternating Current Stimulation on Repetitive Finger Movements in Healthy Humans
Our findings suggest cortical neural signaling utilizes alpha-beta phase coupling during cognitive processing states, where beta activity has been implicated in shifting cognitive states [17, 18, 27, 28].
Spatial Directionality Found in Frontal-Parietal Attentional Networks
The obvious beta activity occurred in 28 patients (53.8%); a low-amplitude beta frequency of 21-30 Hz was the main pattern (89.3%).
A Special Electroencephalography Pattern Might Help in the Diagnosis of Antibody-positive Encephalitis
(16.) Ray WJ, Cole HW EEG alpha activity reflects attentional demands and beta activity reflects emotional and cognitive processes.
Electroencephalography spectral power density in first-episode mania: a comparative study with subsequent remission period
They also found that delta, theta and beta activity increased during and following exercise.
Changes in EEG during graded exercise on a recumbent cycle ergometer
As indicated above, the literature has been inconsistent in regards to interpretation of the functional significance of beta activity. It is likely that the audience results in an increase in global cortical arousal, as beta has often been linked to increased cortical activity.
Changes in EEG laterality index effects of social inhibition on putting in novice golfers
The brain of the insomniac remains more activated, even during sleep: Beta activity, which is associated with wakefulness, is increased over normal levels, and activity in the anterior cingulate and medial orbital frontal cortex, associated with alertness and attention, is higher.
Insomnia Raises Risk of Ills
The finding of beta activity in the left frontal region, F7, also corresponds with a previous finding by Alexander of activity in this same area by another selected participant during a psi task.
NEUROPHYSIOLOGICAL AND PSYCHOLOGICAL ASSESSMENT OF AN INDIVIDUAL EXPERIENCING ANOMALOUS MENTAL PHENOMENA: A SECOND CASE STUDY
Gross alpha and beta activity (Bq/kg w.w.) mean, range, and sample size for caribou bone and muscle for all caribou and by region of nor thern Alaska.
Radionuclide levels in caribou of Northern Alaska in 1995-96

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