An EEG is a test that measures electrical activity ... two of the patients showed an increase in heart rate along with a surge of gamma wave activity. Gamma wave activity is considered to be ...

Results of the EEG analyses, which shows that the left temporal cortex is activated specifically during team flow. Credit COPYRIGHT (C) TOYOHASHI UNIVERSITY OF TECHNOLOGY.

The different types of brain waves as they appear on an EEG. Delta waves (top) are slow and low-frequency, while gamma rays ...