Electroencephalogram

//əˌlɛktɹoʊ.ənˈsɛfələˌɡɹæm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A recording of electrical brain activity (brain waves) made by an electroencephalograph.

    "Davide Valeriani, senior research officer at University of Essex’s BCI-NE Lab, is using an electroencephalogram (EEG)-based BCI to tap into the unconscious minds of people as they make decisions."

  2. 2
    a graphical record of electrical activity of the brain; produced by an electroencephalograph wordnet

Synonyms

All synonyms
eegencephalogramradiogramroentgenographx ray

Example

More examples

"Davide Valeriani, senior research officer at University of Essex’s BCI-NE Lab, is using an electroencephalogram (EEG)-based BCI to tap into the unconscious minds of people as they make decisions."

Etymology

From electro- + encephalogram.

Related phrases

brain wave

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.