Elevated dopamine levels could exacerbate auditory hallucinations among patients with schizophrenia, according to researchers.
"Our brain uses prior experiences to generate sensory expectations that help fill in the gaps when sounds or images are distorted or unclear. In individuals with schizophrenia, this process appears to be altered, leading to extreme perceptual distortions, such as hearing voices that are not there,” study author Guillermo Horga, MD, PhD, department of psychiatry, New York State Psychiatric Institute, Columbia University Medical Center, said in a press release.
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