Reducing auditory sensations While cognitive-behavioral therapists try to help people with schizophrenia more accurately interpret their hallucinations, biological researchers keep trying to rid sufferers of the sensations that produce the hallucinations. Researcher Ralph Hoffman and his colleagues, for example, have used a transcranial magnetic stimulation procedure to reduce neural excitability in the auditory brain centers of patients with schizophrenia. The procedure, demonstrated here by one of the researchers, has reduced the hallucinations of many patients (Hoffman, 2010; Hoffman et al., 2007, 2000).