Examlex
If s denotes the length of the arc of a circle of radius r subtended by a central angle θ, find the missing quantity.
- centimeters, radians, ?
Beta Waves
Beta waves are a pattern of brain electrical activity signifying an awake, alert, and focused state often associated with active concentration and thinking.
REM Sleep
A stage of sleep characterized by rapid eye movements, vivid dreams, and increased brain activity.
Electroencephalograph
A machine used to record the electrical activity of the brain, typically used for diagnostic purposes.
Irregular Brain Wave Patterns
Variations in the rhythmic electrical activity of the brain that deviate from normal patterns and can indicate neurological issues or altered states of consciousness.
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