Schizophrenia: "Schizophrenia is a psychosis (major psychotic disorder) characterized by delusion, hallucination and lack of insight." Clinical Features of Schizophrenia: First Rank Symptoms Of Acute Schizophrenia: A = Auditory Hallucination - second or third person B = Broadcasting, insertion or withdrawl of thoughts C = Controlled Feelings, impulse or Acts D = Delusional … [Read more...] about Schizophrenia – Definition and Major Sign Symptoms