brainwave
English Thesaurus
1. the clear (and often sudden) understanding of a complex situation (noun.cognition)
| hyponym | : | light, |
| definition | : | mental understanding as an enlightening experience (noun.cognition) |
| hyponym | : | revelation, |
| definition | : | an enlightening or astonishing disclosure (noun.cognition) |
| hyponym | : | flash, |
| definition | : | a sudden brilliant understanding (noun.cognition) |
2. (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph (noun.phenomenon)
| hypernym | : | bioelectricity, |
| definition | : | electric phenomena in animals or plants (noun.phenomenon) |
| hyponym | : | alpha rhythm, alpha wave, |
| definition | : | the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz (noun.phenomenon) |
| hyponym | : | beta rhythm, beta wave, |
| definition | : | the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz (noun.phenomenon) |
| hyponym | : | delta rhythm, delta wave, |
| definition | : | the normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz) (noun.phenomenon) |
| hyponym | : | theta rhythm, theta wave, |
| definition | : | the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude (noun.phenomenon) |
| domain category | : | neurophysiology, |
| definition | : | the branch of neuroscience that studies the physiology of the nervous system (noun.cognition) |
3. the clear (and often sudden) understanding of a complex situation (noun.cognition)
| derivation | : | brainstorm, |
| definition | : | try to solve a problem by thinking intensely about it (verb.cognition) |
| derivation | : | brainstorm, |
| definition | : | try to solve a problem by thinking intensely about it (verb.cognition) |
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