electroencephalogram
noun
elec·tro·en·ceph·a·lo·gram
i-ˌlek-trō-in-ˈse-f(ə-)lə-ˌgram 
: the tracing of brain waves made by an electroencephalograph
Examples of electroencephalogram in a Sentence
Recent Examples on the Web
The 75 other participants were each led into a dark, quiet room and hooked up to an electroencephalogram (EEG) monitor that measured the electrical activity in their brains.
—
Sarah Kuta, Smithsonian Magazine, 30 June 2025
After four sets of trials, the participants had a 20-minute nap, while hooked up to an electroencephalogram (EEG)—a device monitoring brain activity—to track their sleep.
—Soo Kim, MSNBC Newsweek, 26 June 2025
Using electroencephalogram recordings, the team showed that in those test periods, participants’ brains produced more of the slow waves that are dominant during sleep.
—Nora Bradford, Scientific American, 10 June 2025
According to the study, the device works by using electroencephalogram (EEG) and electrooculogram (EOG) to measure both brain waves and eye movements.
—Nick Butler, FOXNews.com, 31 May 2025
See All Example Sentences for electroencephalogram
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Sarah Kuta, Smithsonian Magazine, 30 June 2025
After four sets of trials, the participants had a 20-minute nap, while hooked up to an electroencephalogram (EEG)—a device monitoring brain activity—to track their sleep.
—Soo Kim, MSNBC Newsweek, 26 June 2025
Using electroencephalogram recordings, the team showed that in those test periods, participants’ brains produced more of the slow waves that are dominant during sleep.
—Nora Bradford, Scientific American, 10 June 2025
According to the study, the device works by using electroencephalogram (EEG) and electrooculogram (EOG) to measure both brain waves and eye movements.
—Nick Butler, FOXNews.com, 31 May 2025
See All Example Sentences for electroencephalogram
Cite this Entry
“Electroencephalogram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electroencephalogram. Accessed 23 Jul. 2025.
Copy CitationKids Definition
electroencephalogram
noun
elec·tro·en·ceph·a·lo·gram
i-ˌlek-trō-en-ˈsef-ə-lə-ˌgram
: the tracing of brain waves that is made by an electroencephalograph
Medical Definition
electroencephalogram
noun
elec·tro·en·ceph·a·lo·gram
-in-ˈsef-ə-lə-ˌgram
: the tracing of brain waves made by an electroencephalograph
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