1. FIRST-RANK SYMPTOMS: CURRENT STATUS Presenter: Ravi Philip Rajkumar Chairperson: Dr. G. Venkatasubramanian

17. Origins of Delusion of Control Motor Instruction Comparator Or Self Monitoring System Motor Act Proprioceptive Input Reference Copy Re-afference Copy Ownership Agency

36. APPROACH TO DIAGNOSIS OF PSYCHOSIS – ICD-10 Psychotic illness First-rank symptoms Affective symptoms Duration > 1 month Polymorphic picture ACUTE SCHIZOPHRENIA- LIKE PSYCHOSIS SCHIZOPHRENIA ACUTE POLYMORPHIC PSYCHOSIS WITH SZ YES SCHIZOAFFECTIVE DISORDER NO YES YES NO YES To page 2

37. APPROACH TO DIAGNOSIS OF PSYCHOSIS – ICD-10 Psychotic illness without first-rank symptoms Affective symptoms YES MOOD DISORDER WITH PSYCHOTIC SYMPTOMS NO Other schizophrenic symptoms YES Duration > 1 month NO YES SCHIZOPHRENIA Polymorphic picture NO YES NO ACUTE PSYCHOSIS (OTHER) ACUTE POLYMORPHIC PSYCHOSIS Single persistent delusion YES Duration > 3 months NO Other persistent delusions ± hallucinations Lasts > 1 month NO YES NO PSYCHOSIS NOS NO YES F23.3 DELUSIONAL DISORDER YES F22.8

39. APPROACH TO DIAGNOSING PSYCHOSIS (DSM-IV) Psychotic illness Affective symptoms Interim periods with only psychosis? SCHIZOAFFECTIVE DISORDER MOOD DISORDER WITH PSYCHOTIC SYMPTOMS Criterion A for schizophrenia met? Total duration > 6 months Total duration > 1 month SCHIZOPHRENIA SCHIZOPHRENIFORM DISORDER Single persistent delusion? Total duration > 1 month Total duration > 1 month PSYCHOSIS NOS BRIEF PSYCHOTIC DISORDER YES YES YES YES YES YES NO NO NO NO NO NO NO DEL. DISORDER YES