brain wave
nounDefinition 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
There are neuroscientists who think that gamma rhythms, fast brain waves that fluctuate at a frequency of approximately 40 cycles per second, play this role. — Diana Kwon, Scientific American, "“Metronome” Neurons Act Like Timekeepers in Mouse Brains," 18 July 2019 Doctors perform an ultrasound and electroencephalogram (EEG) to measure his brain wave patterns. — Mark Curnutte, Cincinnati.com, "4 addresses in 4 months: This is what poverty looks like for this Cincinnati family," 10 July 2019 Each episode investigates eerie future-is-now realms of A.I.: autonomous weapons, medical diagnostics, smart robots, brain waves flying a simulated plane. — Sarah Larson, The New Yorker, "Three Podcasts to Listen to in July," 9 July 2019 Next comes REM sleep, characterized by quick brain waves and dreams. — Bridget Alex, Discover Magazine, "How Our Sleeping Habits Helped to Make Us Human," 1 Jan. 2019 Scientists have proposed numerous possible roles for brain waves. — Simon Makin, Scientific American, "“Traveling” Brain Waves May Be Critical for Cognition," 28 June 2018 Their analysis of the sleepers’ brain waves found that those who slept with the white noise machine were hardly disturbed by the hospital sounds, while sleep arousals were frequent among those who slept without white noise. — Markham Heid, Time, "Why Not Everyone Should Sleep with a White Noise Machine," 4 June 2019 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. 2019These 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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