This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Symptoms & Signs , Subject name: Psychiatry
[{'content': 'Delusion is a disorder of - \nSelect and explain. \nA. Thought, B. Perception, C. Affect, D. Emotions', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Thought Thought disordersFormal thought disorders (Disorders of thought process)Disorders of thought contenti) . Racing thoughts :- Anxiety, Schizophreniaii) Retarded thoughts :- Depressioniii) Circumstantiality :- Mania, Schizophreniaiv) Thought blocking :- Schizophrenia, Severe anxietyv) Perseveration :- Organic brain disease, Schizophrenia (occasionally)vi) Loosening of association : - Schizophreniavii) Flight of ideas :- Maniaviii) Tangentialityix) Clunging & punning :- Mania & schizophreniax) Neologism, word salad, Echolalia :- Schizophreniai) Delusion :- Psychosis (Schizophrenia, mania, depression & othersii) Obsessioniii) Compulsioniv) Preoccupationsv) Phobiasvi) Depersonalization & Derealizationo In schizophrenia and mood disorders (depression, mania) all parts of the thought (thought process as well as content) are involved.o However, schizophrenia is conventionally referred as formal thought disorder.", 'role': 'assistant'}]