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We used continuous whole brain functional magnetic resonance imaging (fMRI) with a 3-T magnet to map the cerebral activation associated with auditory hallucinations in four subjects with schizophrenia. The subjects experienced episodes of hallucination whilst in the scanner so that periods of hallucination could be compared with periods of rest in the same individuals. Group analysis demonstrated shared areas of activation in right and left superior temporal gyri, left inferior parietal cortex and left middle frontal gyrus. When the data were examined on an individual basis, the temporal cortex and prefrontal cortex areas were activated during episodes of hallucination in all four subjects. These findings support the theory that auditory hallucination reflects abnormal activation of normal auditory pathways.

Type

Journal article

Journal

Psychiatry Res

Publication Date

20/11/2000

Volume

100

Pages

13 - 20

Keywords

Adult, Auditory Pathways, Brain, Dominance, Cerebral, Female, Hallucinations, Humans, Magnetic Resonance Imaging, Male, Models, Neurological, Parietal Lobe, Prefrontal Cortex, Schizophrenia, Temporal Lobe