electroencephalograph

[ ih-lek-troh-en-sef-uh-luh-graf, -grahf ]

noun

, Medicine/Medical.

1. an instrument for measuring and recording the electric activity of the brain.

electroencephalograph

/ -ˌɡræf; ɪˌlɛktrəʊɛnˈsɛfələˌɡrɑːf; ɪˌlɛktrəʊɛnˌsɛfəˈlɒɡrəfɪ /

noun

1. 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 EEG See also brain wave

Derived Forms

• eˌlectroenˌcephaloˈgraphically, adverb
• electroencephalography, noun
• eˌlectroenˌcephaloˈgraphic, adjective

Other Words From

• e·lec·tro·en·ceph·a·lo·graph·ic [ih-lek-troh-en-sef-, uh, -l, uh, -, graf, -ik], e·lectro·en·cepha·lo·graphi·cal adjective
• e·lectro·en·cepha·lo·graphi·cal·ly adverb
• e·lec·tro·en·ceph·a·log·ra·phy [ih-lek-troh-en-sef-, uh, -, log, -r, uh, -fee], noun

Word History and Origins

Origin of electroencephalograph¹

First recorded in 1935–40; electro- + encephalograph

Example Sentences

Furthermore, electroencephalographs revealed the neural waveforms that showed stronger processing of inhibition, which restrains a motor response, in higher skilled players.

From Science Daily

Researchers from France, Germany and South Korea learned this by studying 14 chinstrap penguins sleep patterns with an electroencephalograph, which measures brain activity.

From Salon

In addition, physical evidence of the benefit was demonstrated with electroencephalograph measurements of brain activity that indicate cognitive control.

From New York Times

The head and the heart are wired: electroencephalograph to scalp; electrocardiograph to body.

From The New Yorker

An electroencephalograph monitoring the subjects’ brain waves revealed a spike of activity almost a second before the subjects decided to push the button.

From Scientific American