alpha rhythm
1alpha rhythm — n ALPHA WAVE * * * a uniform rhythm of waves in the normal electroencephalogram, showing an average frequency of 10 per second; see alpha waves under wave. Called also Berger r. and alpha activity …
2alpha rhythm — a pattern of slow brain waves (alpha waves) in normal persons at rest with closed eyes, thought by some to be associated with an alert but daydreaming mind. [1935 40; earlier alpha waves, trans. of G Alphawellen, term used by their discoverer,… …
3alpha rhythm — al′pha rhythm n. phl a pattern of slow brain waves(al′pha waves )in normal persons at rest with closed eyes, thought by some to be associated with an alert but daydreaming mind • Etymology: 1935–40 …
4alpha rhythm — noun see alpha wave …
5alpha rhythm — noun Physiology the normal electrical activity of the brain when conscious and relaxed, consisting of oscillations (alpha waves) with a frequency of 8 to 13 hertz …
6alpha rhythm — noun the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8 12 hertz • Syn: ↑alpha wave • Hypernyms: ↑brainwave, ↑brain wave, ↑cortical potential …
7alpha waves — alpha waves, = alpha rhythm. (Cf. ↑alpha rhythm) …
8alpha wave — n. any of the electrical waves from the parietal and occipital regions of the brain, having frequencies from 8 to 13 hertz: a sign of relaxation, since they indicate a lack of sensory stimulation in a conscious person: also alpha rhythm * * * …
9alpha wave — n. any of the electrical waves from the parietal and occipital regions of the brain, having frequencies from 8 to 13 hertz: a sign of relaxation, since they indicate a lack of sensory stimulation in a conscious person: also alpha rhythm …
10alpha wave — noun the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8 12 hertz • Syn: ↑alpha rhythm • Hypernyms: ↑brainwave, ↑brain wave, ↑cortical potential * * * noun or …
