Excited audience members in Australia. Stimulation or sensory excitation is the action of various agents or forms of energy (stimuli) on receptors that generate impulses that travel through nerves to the brain (afferents).
Auditory Hallucinations. Theses auditory, or aural, hallucinations are the most common type of schizophrenia hallucination. They are a disruption of the normal hearing process, involving hearing annoyances such as clicks, hums, or screeches, and can be as complex as hearing complete voices.
Share this with a friend. Follow Schizophrenia Support. Individuals with schizophrenia often experience hallucinations. Hallucinations are perceptual experiences which occur without any actual source. In other words, there is no actual stimulus in the environment creating the sound, image, etc.