If You’re Deaf & Schizophrenic, You Even Experience Hallucinations Like A Deaf Person
Researchers found that deaf people with schizophrenia who “hear voices” often visualize hallucinations of moving lips or disembodied hands and arms. They are often making sign language movements. (This entire concept is psychological, so deaf people only ever understand what they have experienced. Therefore, they hallucinate as a deaf person would.)