brain wave


Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia.

brain wave

or brain·wave (brān′wāv′)
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 ?
Brain wave monitors also are being used by BHP Billiton Ltd.
83 also happens to be a very powerful frequency used with brain entrainment, as it is associated with low levels of alpha and the upper range of the theta brain wave state.
Loonis says the brain wave signatures might be especially useful in shaping how we teach or train a person as they learn a specific task.
The brain wave information is automatically translated into objective indicators that can be easily read by medical professionals.
And the team observed gradual changes in brain wave patterns, such as increasing sleep cycle length over the course of a night, which would be unexpected if the lizards were constantly waking up.
The brain wave sensor captures the brainwave signals Here the brain wave patterns are analyzed.
In order to obtain optimal results, neurofeedback for peak performance training begins with appropriate assessment and evaluation of an individual's brain wave (electroencephalographic) activity.
It is used at home under medical supervision to identify and quantify in real time abnormal brain activity in ADHD patients, personalise treatment with a care protocol adapted to each child, re-train the patients' brain wave pattern for lasting normalisation and monitor daily the child's observance and progress during the programme.
The lab created software that can identify brain wave patterns corresponding to general concepts such as "book," "food," or "female.
In a study described by one British expert as "remarkable", US researchers were able to reconstruct heard words from brain wave patterns.
According to other studies discussed by Penders, brain wave monitoring and analysis will have a great influence in entertainment and communication industries as well.
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.