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“I Do Not Do It”—Made Volition in Insular Cortex Atrophy

      Mellor (
      • Mellor C.S.
      First rank symptoms in schizophrenia.
      ) defined the Schneiderian phenomenon of made volitions or acts as one where the patient “experiences his actions as being completely under the control of an external influence” and reported a 9.2% prevalence rate in patients with schizophrenia. This phenomenon now forms one of the “sufficient” symptoms for diagnosing schizophrenia under the ICD-10 classification system.
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