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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.


(ɪˌlɛktrəʊɛnˈsɛfələˌɡrɑːf; -ˌɡræf)
(Medicine) an instrument for recording the electrical activity of the brain, usually by means of electrodes placed on the scalp: used to diagnose tumours of the brain, to study brain waves, etc. Abbreviation: EEG See also brain wave
eˌlectroenˌcephaloˈgraphic adj
eˌlectroenˌcephaloˈgraphically adv
electroencephalography n


(ɪˌlɛk troʊ ɛnˈsɛf ə ləˌgræf, -ˌgrɑf)

an instrument for measuring and recording the electric activity of the brain. Abbr.: EEG
e•lec`tro•en•ceph`a•lo•graph′ic (-ˈgræf ɪk) adj.
e•lec`tro•en•ceph`a•log′ra•phy (-ˈlɒg rə fi) n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.electroencephalograph - medical instrument that records electric currents generated by the brain
medical instrument - instrument used in the practice of medicine


[ɪˈlektrəʊɪnˈsefələgrɑːf] Nelectroencefalógrafo m


[ɪˈlɛktrəʊɛnˈsɛfələˌgræf] nelettroencefalografo
References in periodicals archive ?
Contract award: electroencephalographs purchase and maintenance, repair and maintenance services of purchase.
The grant-in-aid, worth about 70 million yen, will be used to help the hospital in the provincial capital buy such equipment as stretchers and electroencephalographs, it said.
During that year with him, I helped take care of all of the patients on the large neurology service, did the outpatient care, did all of the consultations, read all of the electroencephalographs, and did all of the electromyography along with him.
Contract notice: Electroencephalographs purchase and maintenance, repair and maintenance services of purchase.
Electroencephalographs (EEG) measure brainwaves Ideally, an EEG will help you learn how to recognize and modify your brainwave activity by identifying certain brainwave patterns.
To look for signs of nonlinear dynamics, we manipulated data from electroencephalographs of 11 different fauna: anemone, starfish, earthworm, moth larva, crayfish, minnow, perch, catfish, frog, dog, and human.