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Related to electroencephalograph: epilepsy, positron emission tomography


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 ?
Using tin electrodes that were mounted within an elastic cap (manufactured by Brain Products GmbH, Germany), 32 scalp sites were used to record an electroencephalograph.
The four patients had long-term electroencephalograph monitoring, which showed generalized slow or disorganized activity without epileptic discharges.
There are 4 types of waves of electrical activity of the brain detected by electroencephalograph records:
On August 18, PCR was negative for herpes simplex virus in CSF, and an electroencephalograph revealed no periodic lateralizing epileptiform discharges; acyclovir was discontinued.
In order for the researcher to observe brain activity as well, the test participants were linked up to an electroencephalograph (EEG).
The global electrophysiology devices market segmentation is based on product types (electrophysiology monitoring devices, electrocardiograph, electroencephalograph, electrocorticograph, electromyograph, electroretinograph, electrooculograph, holter monitoring devices, x-ray systems, imaging and 3D mapping systems, diagnostic electrophysiology catheters, electrophysiology treatment devices, implantable cardioverter defibrillators, pacemakers, catheters, radiofrequency electrophysiology ablation catheters, cryoablation electrophysiology catheters, laser ablation catheters, microwave ablation catheters).
Changes have been observed in volumes of cerebrospinal fluid, cerebral blood flow, altered intracranial pressure and electroencephalograph (EEG) in astronauts in a weightless environment.
Each of the players underwent a quantitative electroencephalograph (QEEG) and 15 sessions of neurofeedback training over 30 days.
Specifically, the study investigated the effects of consuming chocolate on electroencephalograph (EEG) frequencies, localization within the brain and on blood pressure.
Participants performed baseline-testing including: mood survey, auditory recall, visual recall, reaction test, heart rate, electroencephalograph (EEC), Stroop test, and blood glucose.
He added: "These waves can be recorded with a standard electroencephalograph, so impairment may be diagnosed early.
Their topics include bare nothingness: situated subjects in embodied artists' systems, affective audio synthesis for sound experience enhancement, dealing with the uncertainty of satisfaction surveys in organizations that employ interactive multimedia: an analysis of false answers statistical models through a digital music library case study, developing an interactive biology laboratory simulation platform for educational purposes, and evaluating mathematical cognitive functions with the use of electroencephalograph brain imaging.