The purpose of this study is to determine if repetitive transcranial magnetic stimulation (rTMS) applied to angular gyrus (AG) will improve negative symptoms and/or other psychosis symptoms in schizophrenia spectrum disorders (SSD) patients compared with prefrontal cortex (PFC) or sham.
Ability to give written informed consent
Diagnosed with schizophrenia-spectrum disorder and Evaluation to Sign Consent (ESC) above 10.
Is currently under the care of a licensed primary care provider or mental healthcare provider (e.g., psychiatrist, psychologist, nurse practitioner, licensed clinical social worker).
Have negative symptoms as determined by BNSS score of 20 or more.
Persons with a first-degree relative with inherited epilepsy, seizure disorder, or seizures or persons who answer "yes" to any of the parts (A. - G.) of Question 3 of an epilepsy screening questionnaire.
Taking > 400 mg clozapine/day and not on anti-seizure medication(s) with sufficient dose.
Failed TMS screening questionnaire.
Significant alcohol or other drug use (substance dependence within the recent months) or positive urine toxicology screen for substance not prescribed other than nicotine or marijuana dependence.