Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
5 participants
INTERVENTIONAL
2021-09-14
2024-04-10
Brief Summary
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Detailed Description
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Conditions
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Study Design
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NA
SINGLE_GROUP
TREATMENT
NONE
Study Groups
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dlPFC/TPJ Stimulation + Rest
20 minutes of 2 mA direct current stimulation during rest.
Transcranial Direct Current Stimulation
In tDCS, saline-soaked electrodes are temporarily affixed to the scalp and connected to a battery-powered current generator. A weak (2 mA) constant current is then briefly applied (20 minutes) to stimulate the targeted brain area (e.g. the DLPFC, TPJ, Occipital Cortex) depending on the phase of the study.
Interventions
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Transcranial Direct Current Stimulation
In tDCS, saline-soaked electrodes are temporarily affixed to the scalp and connected to a battery-powered current generator. A weak (2 mA) constant current is then briefly applied (20 minutes) to stimulate the targeted brain area (e.g. the DLPFC, TPJ, Occipital Cortex) depending on the phase of the study.
Eligibility Criteria
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Inclusion Criteria
* All subjects must have the ability to give valid informed consent.
* No children under the age of 18 will be recruited.
* Diagnosis of schizophrenia, schizophreniform, or schizoaffective disorder
* Stable outpatient or partial hospital status
* Normal IQ (\>70; IQ will be measured by administering the Wechsler Abbreviated Scale of Intelligence (WASI) test)
Exclusion Criteria
* Implanted electrical (brain and spinal) stimulators
* Implanted defibrillator
* Metallic implants
* Skin damage or skin conditions such as eczema at the sites where electrodes will be placed
* Hair styles hindering the placement of electrodes
* Cranial pathologies
* Head trauma
* Epilepsy
* Mental retardation
* Any known history of neurological disorders (including epilepsy, amyotrophic lateral sclerosis (ALS), multiple sclerosis (MS), stroke, cerebral palsy, any DSM-5 axis I psychiatric disorder (for healthy control subjects), autism)
* Uncorrected vision problems that would hinder cognitive testing (this also pertains to subjects with color blindness in tasks where discriminating colored objects/items is necessary for successful performance)
* Pregnancy
* Substance dependence in the past six months
* Substance abuse in the past month
18 Years
65 Years
ALL
Yes
Sponsors
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University of California, Davis
OTHER
Responsible Party
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Locations
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Imaging Research Center
Sacramento, California, United States
Countries
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Other Identifiers
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1607658
Identifier Type: -
Identifier Source: org_study_id
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