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Definition of Theta wave
1. Noun. The normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude.
Definition of Theta wave
1. Noun. A type of electrical activity in the brain; brain waves with a frequency of 4-8 hertz. ¹
¹ Source: wiktionary.com
Medical Definition of Theta wave
1. Brain waves in the electroencephalogram which have a frequency of 4 to 7 per second. They occur mainly in children but also in adults during periods of emotional stress. (12 Dec 1998)
Lexicographical Neighbors of Theta Wave
Literary usage of Theta wave
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Neuroscience of Mental Health: A Report on Neuroscience Research edited by Stephen H. Koslow (1997)
"In addition, compared with normals, the transgenic mice completely lack theta
wave activity (left curve graph). 0.25- revealed some surprises. ..."
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