n. a sudden but temporary loss of muscle, usually triggered by some intense emotions such as surprise, terror, anger, or laughter. The condition may either be localized, meaning there could be a sudden nodding in the head or losing of grasp, or generalized in which the entire body suddenly collapses. See narcolepsy- narcoleptic syndrome.

CATAPLEXY: "An intense emotional response is usually what precipitates a sudden onset of cataplexy."
Cite this page: N., Pam M.S., "CATAPLEXY," in, April 7, 2013, (accessed July 12, 2020).