brain wave


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brain wave

n.
1. A rhythmic fluctuation of electric potential between parts of the brain, as seen on an electroencephalogram.
2. Informal A sudden inspiration.

brain wave

n
(Physiology) any of the fluctuations of electrical potential in the brain as represented on an electroencephalogram. They vary in frequency from 1 to 30 hertz. See also alpha rhythm, beta rhythm, delta rhythm

brain′ wave`


n.
1. Usu., brain waves. electrical potentials or impulses given off by brain tissue. Compare alpha rhythm, beta rhythm, delta rhythm.
[1865–70]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.brain wave - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
neurophysiology - the branch of neuroscience that studies the physiology of the nervous system
alpha rhythm, alpha wave - the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz
beta rhythm, beta wave - the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz
bioelectricity - electric phenomena in animals or plants
delta rhythm, delta wave - the normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz)
theta rhythm, theta wave - the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude

brain wave

noun
Informal. A sudden exciting thought:
References in periodicals archive ?
The company, Cerebral Data Systems, will take advantage of a new technique developed by UO researchers that should allow much more precise analysis of brain wave data.
Other areas in which AAPB members are working that are particularly relevant to musicians include improving elite performance in athletes and artists, managing stress, treating overuse syndrome, preventing injury, managing breathing and hyperventilation as it impairs health and performance, and using brain wave biofeedback to help enhance peak performance and improve concentration.
Children with ADHD may also have differences in their brain wave activity.
As they slept, an electro- encephalographic machine measured their brain wave activity.
In a study described by one British expert as "remarkable", US researchers were able to reconstruct heard words from brain wave patterns.
Unlike Perkins, the van der Kolk Center does not do a comprehensive QEEG (quantitative electroencephalography) brain wave assessment first, although they do an in-depth consultation, said Assistant Clinical Director Amy J.
Hemi-Sync Audio Technology, developed at the Monroe Institute (Faber, Virginia), uses inaudible sound frequencies called binaural beats to induce changes in brain wave activity.
The first letter of each word represents a different brain wave category and its corresponding ranges measured in Hertz (Hz).
The current increased the activity of normal beta waves -- a kind of brain wave that is usually active during sustained muscle activities, such as holding a book.
The wheelchair analyses brain wave data using signal-processing technology and delivers neuro-feedback to the driver.
EVERYDAY blunders such as accidentally knocking over a cup of coffee or hitting one's head can be predicted in advance by distinct brain wave patterns, a study has found.