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An instrument that measures electrical potentials on the scalp and generates a record of the electrical activity of the brain. Also called encephalograph.

e·lec′tro·en·ceph′a·lo·graph′ic adj.
e·lec′tro·en·ceph′a·log′ra·phy (-lŏg′rə-fē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


A diagnostic method of examining the electrical impulses of the brain using electrodes attached to the head and to a recording device to make an electroencephalogram.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited


n. electroencefalografía, gráfico descriptivo de la actividad eléctrica desarrollada en el cerebro.
English-Spanish Medical Dictionary © Farlex 2012

electroencephalography (EEG)

n electroencefalografía (EEG)
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
"Neurable's brain-computer interface uses electroencephalography to record brain activity, analyze data and provide users with full three-dimensional control in real time.
The researchers used functional Magnetic Resonance Imaging (fMRI), a technique to measure the flow of blood in the brain as an indication of activity, to map participants' brain activity as they traded within the experimental market.
Previously, Gallant and fellow researchers recorded brain activity in the visual cortex while a subject viewed black-and-white photographs.
Although the reason for this increased premenstrual brain activity isn't clear, Silbersweig suggests that it may be keeping the volunteers' emotions in check.
In a prior experiment, participants had their brain activity measured as they played a simple gambling game.
After keeping 20 people on one of the two diets for a day and a half, Pelchat's team gave each of the subjects a functional magnetic resonance imaging (fMRI) scan, which measures brain activity. During the scan, the researchers flashed the names of the volunteers' favorite foods on a screen, alternating them with the brand name of the vanilla shakes.
Compared to their monolingual peers, lifelong bilinguals also show different patterns of brain activity when making the switch, the study found.
The more details in the imagery, the more similarity in brain activity there is between imagery and perception, studies have found.--C.
Washington, December 5 ( ANI ): Researchers say training human volunteers to control their own brain activity in precise areas of the brain can enhance fundamental aspects of their visual sensitivity.
Intriguingly, Ethan displayed more such right brain activity than did the older volunteers who read at his level or children of his age who read at their age-appropriate levels.
To be able to track each listener's brain activity on a millisecond basis, Molly Henry and Jonas Obleser from the Max Planck Research Group "Auditory Cognition" recorded the electroencephalographic signal from listeners' scalps.