NEET-PG 2014 — Psychiatry

Q: Classic tetrad of narcolepsy includes all, except:

Catalepsy. ***Catalepsy*** - Catalepsy refers to a **waxy flexibility** and maintenance of postures seen in **catatonia** (a psychiatric condition). - It is **NOT** part of the classic tetrad of narcolepsy. - The classic tetrad includes **cataplexy** (not catalepsy), which is sudden muscle weakness triggered by strong emotions, along with excessive daytime sleepiness, sleep paralysis, and hypnagogic/hypnopompic hallucinations. *Hypnagogic hallucination* - Vivid, often frightening, dream-like experiences that occur while **falling asleep** (hypnagogic) or upon awakening (hypnopompic). - This is a recognized component of the **classic tetrad of narcolepsy**. *Sleep paralysis* - Temporary inability to move or speak upon **waking up or falling asleep**. - One of the four key symptoms forming the **classic tetrad of narcolepsy**. *Sleep attacks* - Sudden, irresistible urges to sleep that can occur at any time, often without warning. - **Excessive daytime sleepiness** leading to these attacks is a core feature and part of the **classic tetrad of narcolepsy**. [Practice more Psychiatry PYQs on OnCourse]

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Classic tetrad of narcolepsy includes all, except:

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