 MAA: methamphetamine abusers without psychotic symptoms; MAP: methamphetamine abusers with psychotic symptoms.  [^0]: Abbreviations: MAA: methamphetamine abusers without psychotic symptoms; MAP: methamphetamine abusers with psychotic symptoms.  [^0]: Abbreviations: MAA: methamphetamine abusers without psychotic symptoms; MAP: methamphetamine abusers with psychotic symptoms.