elec·​tro·​en·​ceph·​a·​lo·​gram i-ˌlek-trō-in-ˈse-f(ə-)lə-ˌgram How to pronounce electroencephalogram (audio)
: the tracing of brain waves made by an electroencephalograph

Examples of electroencephalogram in a Sentence

Recent Examples on the Web Today, the electroencephalogram – also abbreviated as EEG – is widely known as a medical test measuring brain electrical activity that’s used on patients who have, or are suspected to have, neurological disorders. Giridhar Kalamangalam, Discover Magazine, 4 Apr. 2024 The scientists hooked the dogs up to an electroencephalogram (EEG) machine using non-invasive scalp sensors to measure their brain activity. Sarah Kuta, Smithsonian Magazine, 25 Mar. 2024 Decades of electroencephalogram studies have shown that a healthy brain’s electrical output produces patterns of repetitive oscillations, or brain waves. Elizabeth Landau, Quanta Magazine, 18 Mar. 2024 The authors measured participants’ brain waves, using electroencephalogram tests, or EEGs, for three minutes during each activity. Kristen Rogers, CNN, 13 Mar. 2024 The team recruited 54 college students with ages between 18 and 40, and connected them to an electroencephalogram (EEG). Emilie Le Beau Lucchesi, Discover Magazine, 21 Feb. 2024 Using technology connected to an electroencephalogram (ECG) monitor, visitors to major exhibits across the UK this year can see the impact of art on their own human brainwaves. Angelina Villa-Clarke, Forbes, 16 Feb. 2024 The seizures warranted the doctors to perform an electroencephalogram (EEG) on the brain. Donna Sarkar, Discover Magazine, 12 Apr. 2022 Throughout the experience, electroencephalogram (EEG) electrodes capture the neurofeedback of participants, who are then asked to interpret the sound and motion graphics created with the data. Lori Youmshajekian, Scientific American, 4 Dec. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'electroencephalogram.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


International Scientific Vocabulary

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of electroencephalogram was in 1934

Dictionary Entries Near electroencephalogram

Cite this Entry

“Electroencephalogram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electroencephalogram. Accessed 19 Apr. 2024.

Kids Definition


elec·​tro·​en·​ceph·​a·​lo·​gram i-ˌlek-trō-en-ˈsef-ə-lə-ˌgram How to pronounce electroencephalogram (audio)
: the tracing of brain waves that is made by an electroencephalograph

Medical Definition


elec·​tro·​en·​ceph·​a·​lo·​gram -in-ˈsef-ə-lə-ˌgram How to pronounce electroencephalogram (audio)
: the tracing of brain waves made by an electroencephalograph

More from Merriam-Webster on electroencephalogram

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