Journal
NEUROREPORT
Volume 15, Issue 10, Pages 1669-1673Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.wnr.0000126504.89983.ec
Keywords
auditory verbal hallucinations; functional magnetic resonance imaging; neuronavigation; transcranial magnetic stimulation
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Auditory verbal hallucinations in schizophrenia may be due to dysfunctional inner speech-related cortical areas. Repetitive transcranial magnetic stimulation (rTMS) has been reported to be an effective treatment of hallucinations. In a cross-over sham controlled study, we guided rTMS stereotactically to inner speech-related cortical areas in hallucinating patients. These areas were identified individually prior to rTMS using fMRI in a subgroup of our patients. Active stimulation was applied over Broca's area and over the superior temporal gyrus as determined by fMRI, or according to structural images in the remaining patients. rTMS did not lead to a significant reduction of hallucination severity. Conclusively, rTMS has to be regarded critically as a possible novel tool for the treatment of hallucinations.
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