SINCE 1828
alpha state
nounMedical Definition of alpha state
: a state of wakeful relaxation that is associated with increased alpha wave activity
When electroencephalograms show a brain wave pattern of 9 to 12 cycles per second, the subject is said to be in alpha state, usually described as relaxed, peaceful, or floating.— Gerald Walker, The New York Times, 2 Mar. 1975
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