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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 ?
An EEG records electrical activity produced by the brain via small sensors attached to the scalp.
It acts like a 'pacemaker for the brain," that monitors electrical activity in 128 points in the brain, and delivers electrical stimulation.
Electrical activity within the brain was recorded through multiple electrodes placed on the scalp.
"The electrical activity of the heart is recorded by electrocardiogram, which includes heart rhythm, heart rate, and shows if there are any changes in the heart due to hypertension or previous heart attack or any genetic malfunction.
Professor Familoni, head department of Medicine, in the 81st inaugural lecture of the Olabisi Onabanjo University, Ago Iwoye entitled 'The Body: Out of the Issues of the Heart' said even when it is not ringing, the emitted electromagnetic field can still affect the electrical activity of the heart, particularly in persons with hypertension.
She analyzes the growing consumer market for mechanistic access and challenges the novelty of brain optimization discourses created by EEG wearables, detailing the history of EEG as a technology and case studies that theorize EEGAEs contemporary consumer market, tracing the genealogies of various states of mind, challenging the conflation of electrical activity with brain waves, and analyzing the marketing of mechanical brain monitoring.
Scientists said they saw a cycle of electrical activity in the brains of their epileptic patients and found a pattern as to where seizures typically fall in that cycle, according to a study in the journal (https://www.nature.com/articles/s41467-017-02577-y) Nature Communications .
Research measuring brain electrical activity has found that the brainwaves of parents and their babies fall in sync when they make eye contact.
At the time of arriving at the emergency department, he had cardiac arrest and his electrocardiogram (Figure 1a) revealed pulseless electrical activity. Cardiopulmonary resuscitation was immediately performed.
As it can be known, the relevant experiments of the neuron electrical activity play a vital role in achieving biological functions of the nervous system [38-43].
Researchers carried out experiments among 22 students (10 male and 12 female) where the brain's electrical activity was measured with EEG (electroencephalography).

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