At any one time, brainwaves oscillating at different frequencies and associated with different tasks sweep through the brain. Fast gamma oscillations are thought to be involved in consciousness. Beta oscillations are involved in active thinking seemed to be generated by a network of higher brain regions, including those that process melodies and sequences of tones, and areas involved in imagery and memory. Fast gamma oscillations and slower beta oscillations in these areas increased signals that represent basic information about the sound passed on to several higher brain regions that process more complex features, such as melody and rhythm.

PET Scans showing areas where regional cerebral blood flow increased during a linear function of hallucinosis begin to describe the sixty percent of nerves which travel from the brain to the ear; a majority of transmission our hearing is protected from by reasons unknown but examined in paintings here.

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