As part of her study on the personality profiles of lucid dreamers, a sleep researcher measures the brain wave patterns of each individual every ninety minutes throughout the night for four consecutive nights. The measurement of brain waves is an example of an:

Question

Quizplus · Accepted Answer

An electroencephalograph (EEG) is a device used to measure and record the electrical activity of the brain, which is what is being described in the scenario.

As Part of Her Study on the Personality Profiles of Lucid