alpha wave

alpha wave
noun Date: 1936 an electrical rhythm of the brain with a frequency of approximately 8 to 13 cycles per second that is often associated with a state of wakeful relaxation — called also alpha, alpha rhythm

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • alpha wave — n. any of the electrical waves from the parietal and occipital regions of the brain, having frequencies from 8 to 13 hertz: a sign of relaxation, since they indicate a lack of sensory stimulation in a conscious person: also alpha rhythm * * * …   Universalium

  • alpha wave — n an electrical rhythm of the brain with a frequency of 8 to 13 cycles per second that is often associated with a state of wakeful relaxation called also alpha …   Medical dictionary

  • alpha wave — n. any of the electrical waves from the parietal and occipital regions of the brain, having frequencies from 8 to 13 hertz: a sign of relaxation, since they indicate a lack of sensory stimulation in a conscious person: also alpha rhythm …   English World dictionary

  • alpha wave — noun the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8 12 hertz • Syn: ↑alpha rhythm • Hypernyms: ↑brainwave, ↑brain wave, ↑cortical potential * * * noun or …   Useful english dictionary

  • Alpha wave — Alpha waves are electromagnetic oscillations in the frequency range of 8–12 Hz arising from synchronous and coherent ( in phase / constructive ) electrical activity of thalamic pacemaker cells in the human brain. They are also called Berger s… …   Wikipedia

  • alpha wave — {n.} A brain wave, 8 12 cycles per second, associated with a state of relaxation and meditation and, hence, free of anxieties. * /Try to produce some alpha waves; you will instantly feel a lot better./ …   Dictionary of American idioms

  • alpha wave — {n.} A brain wave, 8 12 cycles per second, associated with a state of relaxation and meditation and, hence, free of anxieties. * /Try to produce some alpha waves; you will instantly feel a lot better./ …   Dictionary of American idioms

  • alpha\ wave — noun A brain wave, 8 12 cycles per second, associated with a state of relaxation and meditation and, hence, free of anxieties. Try to produce some alpha waves; you will instantly feel a lot better …   Словарь американских идиом

  • alpha wave — /ˈælfə weɪv/ (say alfuh wayv) noun a periodic variation in the electrical potential of the normal cerebral cortex with a frequency about 8 to 12 hertz in the resting state. Compare beta wave. Also, alpha rhythm …   Australian English dictionary

  • alpha wave — noun An electrical signal produced by the brain while the subject is relaxed …   Wiktionary

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