| NOUN | phenomenon | cortical potential, brainwave, brain wave | (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph |
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| Meaning | (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph. | |
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| Synonyms | brainwave, brain wave | |
| Category | neurophysiology | The branch of neuroscience that studies the physiology of the nervous system |
| Narrower | alpha rhythm, alpha wave | The normal brainwave in the electroencephalogram of a person who is awake but relaxed |
| beta rhythm, beta wave | The normal brainwave in the encephalogram of a person who is awake and alert | |
| delta rhythm, delta wave | The normal brainwave in the encephalogram of a person in deep dreamless sleep | |
| theta rhythm, theta wave | The normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy | |
| Broader | bioelectricity | electric phenomena in animals or plants |
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