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Alpha Rhythm

Definition of the noun alpha rhythm

What does alpha rhythm mean as a name of something?

noun

  1. the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz

Printed dictionaries and other books with definitions for Alpha Rhythm

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Google previewThe Encyclopedia of Sleep and Sleep Disorders (2010)

by Charles Pollak, Michael J. Thorpy, Jan Yager

(See also ALPHA RHYTHM.) alpha-delta activity Term describing the presence of the alpha EEG rhythm, which occurs simultaneously with the slower delta EEG pattern of sleep. Alpha-delta activity is typically seen in disorders that disrupt ...

Google previewCampbell's Psychiatric Dictionary (2009)

by Robert Jean Campbell

The alpha rhythm is the standby mode of the brain; ...

Google previewMacmillan Dictionary of Psychology (1991)

by Stuart Sutherland

alpha rhythm ...

Google previewHuman Services Dictionary (2003)

by Howard Rosenthal

alpha rhythm/alpha waves A biofeedback term used to describe brain wave frequencies of 8 to 12 cycles per second (cps) or 8 to 12 Hertz ...

Google previewThe Corsini Encyclopedia of Psychology (2010)

by Irving B. Weiner, W. Edward Craighead

The classical alpha rhythm is prominent at electrodes overlying the occipital ( visual) cortex and to a lesser extent over the posterior temporal and parietal areas. Alpha rhythm occurs in a condition of relaxed wakefulness with eyes closed.

Google previewEncyclopedia of Human Behavior (2012)

The normal waking alpha rhythm usually has larger amplitudes over posterior regions, but is typically recorded over widespread scalp regions. Posterior alpha amplitude in most normal adults lies in the range of 15-50 mV; alpha amplitudes ...

Google previewThe Concise Corsini Encyclopedia of Psychology and Behavioral Science (2004)

by W. Edward Craighead, Charles B. Nemeroff

The classical alpha rhythm is prominent at electrodes overlying the occipital ( visual) cortex and to a lesser extent over the posterior temporal and parietal areas. Alpha rhythm occurs in a condition of relaxed wakefulness with eyes closed, and it ...

Google previewA Dictionary of Psychology (2009)

by Andrew M. Colman

Also called an alpha rhythm. See also ALPHA BLOCKING. alprazolam n. A member of the 'benzodiazepine group of drugs, used as a sedative and anxiolytic.

Google previewA Dictionary of Biomedicine (2010)

by John Lackie

alpha rhythm A regular ...

Google previewA Concise Encyclopaedia of Psychiatry (2012)

by D. Leigh, C.M. Pare, J. Marks

Alpha rhythm SEE EEG. Altruistic suicide SEE Durkheim, E. Alzheimer's disease ( Synonym: Alzheimer's pre-senile dementia) This is the commonest of the pre- senile dementias (q.v.). A family history is found in about 15% of cases, inheritance ...

Google previewDictionary of Biomedical Science (2002)

by Peter J. Gosling

alpha rhythm (physiology) Pattern of ...

Google previewDictionary of Optometry and Visual Science (2014)

by Michel Millodot

alpha rhythm. See potential, resting membrane. alphabet patterns See pattern, A; pattern, V; pattern, X; pattern, Y. alternate cover test See test, cover. alternating checkerboard stimulus A type of light ...

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