In sleep labs, changes in tiny electrical signals generated by the brain are usually amplified and recorded with
A)electroencephalography.
B)magnetic resonance imaging.
C)positron emission tomography.
D)computed tomographic scanning.

Question

Quizplus · Accepted Answer

Electroencephalography (EEG) is the technique specifically used to measure and record the electrical activity of the brain, which is what is done in sleep labs to study brain waves and sleep patterns.

In Sleep Labs, Changes in Tiny Electrical Signals Generated by the Brain