The main goal of the study is to better understand how the brains of people with psychosis or the above-mentioned diseases respond to brain stimulation.
Specifically, we hope to explore brain changes using non-invasive brain stimulation.
Changes that happen in the brain relate to the brain’s ability to adapt and learn through experience.
This study will use transcranial electrical stimulation (tES), a way of stimulating the brain that is not invasive, generally painless and is widely used in research studies.
In a part of the study electroencephalography (EEG) will also be used, which is a painless way of recording brain waves.
We are recruiting those aged 18-50 with a diagnosis of schizophrenia, schizoaffective disorder, or bipolar disorder with psychosis with a history of visual hallucinations.
Individuals with Parkinson’s, Lewy Body Dementia, Charles Bonnet Syndrome, or brain lesions resulting in visual hallucinations age 18-80 may also be eligible to partake in our research.
This study requires five daily study visits for one week and a clinical follow-up at one month to Massachusetts Mental Health Center in Boston, MA.
If you participate, there will be a baseline visit, lasting 2-3 hours, three clinical/cognitive assessments, and tES visits, each lasting 1.
5 hours.
During the stimulation, you will sit in a comfortable chair for a few hours with breaks.
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