Stephanie Solazzo, Traci Speed, M.D., Ph.D., Thomas Sedlak, M.D., Ph.D.


  • A disorder characterized by psychotic symptoms, including hallucinations, delusions, or formal thought disorder, and accompanied by disorganized behaviors, negative symptoms, and/or a decline in premorbid functioning
    • Negative symptoms: affective flattening, alogia (poverty of speech), anhedonia (inability to experience pleasure), avolition (lack of motivation), apathy (lack of interest), and/or social isolation[1]

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Last updated: August 2, 2017