brain wave

noun

Definition of brain wave

2a : rhythmic fluctuations of voltage between parts of the brain resulting in the flow of an electric current
b : a current produced by brain waves

Examples of brain wave in a Sentence

Recent Examples on the Web

The interface activates when visitors press their foreheads against the EEG sensor, which detects brain waves and converts these signals into commands that the on-screen HUD simulation follows. Larry Greenemeier, Scientific American, "Marvel Comics Gets Inside the Heads of the Avengers," 21 Aug. 2014 This is part of an omega brain wave reading, determining if my brain has recovered enough of its electrical energy to handle the day’s exercise. Joe Pappalardo, Popular Mechanics, "What Happened When I Trained With Air Force Human Performance Specialists," 12 Feb. 2019 Then, the researchers trained an AI to study the brain wave patterns and deduce what words the patients were listening to. Avery Thompson, Popular Mechanics, "Scientists Translate Brain Waves Into Speech," 30 Jan. 2019 Glancing down to catch a baby’s eye while reading a story, meeting a child’s inquiring gaze—these simple acts bring the child’s brain waves into greater synchronization with the adult’s, according to recent research at Cambridge University. Meghan Cox Gurdon, WSJ, "The Secret Power of the Children’s Picture Book," 18 Jan. 2019 During this stage, your heartbeat, breathing, and eye movements decelerate, your muscles relax, and your brain waves begin to slow down, the National Institute of Neurological Disorders and Stroke says. Korin Miller, SELF, "7 Reasons You Might Wake Up Gasping for Air," 2 Oct. 2018 There are things out there that try to blind people with complicated words, like a particular app that claims to improve your focus by playing specific music that gets your brain waves working in a particular way. Angela Chen, The Verge, "What happens when you spend a year using science to improve your brain," 22 Aug. 2018 Your brain wave activity is most similar to its daytime state during REM sleep than in any other phase. Nina Bahadur, SELF, "When Should You See a Doctor About Nightmares?," 3 Aug. 2018 In the 1980s, Benjamin Libet wired people up to a system that recorded their brain waves. Daniel Glaser, A-LIST, "Out of Your Mind," 1 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brain wave.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of brain wave

1890, in the meaning defined at sense 1

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Last Updated

22 Mar 2019

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The first known use of brain wave was in 1890

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More Definitions for brain wave

brain wave

noun

English Language Learners Definition of brain wave

: a pattern or cycle of electrical activity in the brain

brain wave

noun

Medical Definition of brain wave

1 : rhythmic fluctuations of voltage between parts of the brain resulting in the flow of an electric current
2 : a current produced by brain waves — compare alpha wave, beta wave

More from Merriam-Webster on brain wave

Rhyming Dictionary: Words that rhyme with brain wave

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