electroencephalogram

[ ih-lek-troh-en-sef-uh-luh-gram ]

noun

, Medicine/Medical.

1. a graphic record produced by an electroencephalograph. : EEG

electroencephalogram

/ ɪˌlɛktrəʊɛnˈsɛfələˌɡræm /

noun

1. med the tracing obtained from an electroencephalograph EEG

electroencephalogram

/ ĭ-lĕk′trō-ĕn-sĕf′ə-lə-grăm′ /

1. A graphic record of brain waves representing electrical activity in the brain, used especially in the diagnosis of seizures and other neurological disorders.
2. ◆ The instrument used to record an electroencephalogram is called an electroencephalograph. It generates a record of the electrical activity of the brain by measuring electric signals using a set of electrodes attached to the scalp that act as transducers. Differences of electric potential between different parts of the brain are measured by a portable set of galvanometers and printed as a wide paper strip with multiple simultaneous waveform tracings that have standard configurations in the normal brain.

electroencephalogram

1. A written recording of the electrical activity of the brain . Electroencephalograms are useful in studying and detecting brain disorders.

Word History and Origins

Origin of electroencephalogram¹

First recorded in 1930–35; electro- + encephalogram

Example Sentences

His electroencephalogram revealed nine alpha cycles to the second, but too much theta.

From Project Gutenberg