Schizophrenia Clinical Trial
Official title:
Transcranial Direct-current Stimulation (tDCS) in Treatment Refractory Auditory Hallucinations: A Pilot Study
This is a 4 week therapeutic pilot study with a 4 week follow-up period involving inpatients with treatment resistant DSM-IV schizophrenia or schizoaffective disorder diagnosis. Each eligible subject will receive either 20 minutes of active tDCS (transcranial direct-current stimulation) or sham stimulation twice a day on 5 consecutive weekdays for 4 weeks with a 4 week follow-up period.
The aim in this study is to conduct a pilot study on the efficacy of tDCS by assessing its efficacy in treatment refractory auditory verbal hallucinations in inpatients with chronic schizophrenia. Based on and expanding the findings by Brunelin et al. the hypothesis is that tDCS treatment with the cathode on the left temporal-parietal junction and the anode on the left dorsolateral prefrontal cortex can reduce the severity of auditory verbal hallucinations in patients with treatment refractory schizophrenia. The impact of tDCS on other schizophrenia symptoms in secondary exploratory outcome analyses together with the examination of the durability of an ameliorating effect will also be investigated. ;
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