Psychotic Signs and Symptoms
Descriptive psychopathology which includes phenomenology provides language to describe a patient’s behavior and inner experiences. This chapter reviews the main symptoms of psychosis (delusions, hallucinations, disorganized thinking), with emphasis on how to detect them. Recognizing Schneiderian first-rank symptoms which are evidence of psychosis remains an important clinical skill for psychiatrists even though these symptoms are de-emphasized in current classification systems. Overvalued ideas are introduced as not all extreme views are psychotic. Last, disorganized behaviors and unusual motor phenomena (catatonia) are described as those often occur in psychotic patients.
KeywordsPsychosis Descriptive psychopathology Delusions Overvalued ideas Hallucinations Pseudohallucinations Eponyms Schneiderian first-rank symptoms Self-disturbances Formal thought disorder Disorganization Disorganized behavior Catatonia
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