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.
Examples of Hallucinations----. --Hallucinations are as real as any other experience to the person with schizophrenia. As many as 70% hear voices, while a lesser number have visual hallucinations. --Auditory hallucinations can be either inside the person's head or externally.