Cataplexy is characterized by?: (A) Hypnopompic hallucinations, (B) Nocturnal penile tumescence, (C) Decreased muscle tone, (D) Somnambulism
Answer is C. Ans. is 'c' i.e., Decreased muscle tone * Cataplexy is the most common accessory symptom of Narcolepsy and is characterized by sudden decrease in muscle tone, either, local or generalized.