Used for determination of cerebral energy exchange intensity characteristics (metabolic alterations dynamics) in the process of study, including continuous.

Synchronized record of spontaneous EEG and extra-low activity (constant potential level) is performed. Signals of extra-low activity can be displayed in the form of a random circuit of referential wiring reconstruction and topographic mapping - neuroenergymapping (NEM). Some scientists consider the NEM - method an electrophysiological analogue to the Positron emission tomography according to its medical significance.