Complex sentence: The test subject wears a special headband with electronic sensors that measure his or her EEG from several locations on the scalp, then is exposed to stimuli in the form of form words, phrases, or pictures presented on a computer screen.
Split into simpler sentences: The test subject wears a special headband with electronic sensors that measure his or her EEG from several locations on the scalp. The person is then exposed to stimuli in the form of form words, phrases, or pictures presented on a computer screen.