Sleep researchers analyze electroencephalograms to look at patterns of activity in a sleeping person.Which of the following is not measured in an electroencephalogram?
A) The stage in which dreaming occurs
B) The muscle movements that occur during rapid eye movement sleep
C) The four stages of sleep
D) Slow-wave sleep
E) Electrical potential differences due to activity of large numbers of neurons.

Question

Quizplus · Accepted Answer

Electroencephalograms (EEGs) measure the electrical activity of the brain, not muscle movements. Muscle movements during rapid eye movement (REM) sleep are typically measured using electromyograms (EMGs), not EEGs.

Sleep Researchers Analyze Electroencephalograms to Look at Patterns of Activity