Examlex
The U.S.Army experimented with the use of LSD in the mid-twentieth century.
EEG
Electroencephalogram, a test that measures electrical activity in the brain using small, flat metal discs attached to the scalp.
High Frequency
Refers to waves that have a very short wavelength or a high rate of oscillation or vibration.
Low Frequency
Low frequency refers to a band of frequencies that are considered to be at the lower end of the audio spectrum, typically below 300 Hz.
High Amplitude
Pertains to waves or signals with a large maximum distance from the average or rest position, often indicating a high level of energy.
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