Electroencephalogram
Medical term · E
A test that measures the electrical activity of the brain and detects problems.
Related terms
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Central (brain) fatigueA lack of concentration or alertness as well as a sense of lethargy and loss of motivation; involves the central nervous system.
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EEGAbbreviation for electroencephalogram, a test that measures the electrical activity of the brain and detects problems.
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Sleep spindlesOn an electroencephalogram (EEG), brief rhythmic bursts of activity that appear during stage 2 sleep.
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Theta wavesA pattern of brain waves on an electroencephalogram (EEG) characteristic of light, stage 1 sleep.