HealthAugust 10, 2026
cataplexy
KAT-uh-plek-see
Definition
A sudden, brief loss of voluntary muscle tone often triggered by strong emotions such as laughter, surprise, or anger.
Etymology
Derived from the Greek words 'kata' (down) and 'plexis' (a stroke). It entered medical terminology in the early 20th century to describe the sudden physical collapse associated with this specific neurological condition.
In the news
In the context of narcolepsy treatment, cataplexy is a key symptom that clinicians aim to manage through pharmacological interventions. Controlling these episodes is essential for improving the quality of life and safety of patients.
New in Narcolepsy: Pharmacology Updates
Read the full article ↗Psychiatric Times