CORTICAL POTENTIAL

Pronunciation (US):

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IPA (US):

 Dictionary entry overview: What does cortical potential mean? 

• CORTICAL POTENTIAL (noun)
  The noun CORTICAL POTENTIAL has 1 sense:

1. (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph

  Familiarity information: CORTICAL POTENTIAL used as a noun is very rare.

 Dictionary entry details 

• CORTICAL POTENTIAL (noun)

Sense 1

Meaning:

(neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph

Classified under:

Nouns denoting natural phenomena

Synonyms:

brain wave; brainwave; cortical potential

Hypernyms ("cortical potential" is a kind of...):

bioelectricity (electric phenomena in animals or plants)

Domain category:

neurophysiology (the branch of neuroscience that studies the physiology of the nervous system)

Hyponyms (each of the following is a kind of "cortical potential"):

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)

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)