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Adult Cataplexy

Legend: Video demonstrates cataplexy elicited by the strong emotional stimulus of conducting an orchestra. The patient becomes excited, has loss of muscle tone with unbuckling of the knees, and falls to the ground. Consciousness is preserved completely, and he never loses awareness. He recovers quickly, regaining his muscle strength and standing up as if he never experienced the episode.

Duration: 0:24

Associated with: CONTINUUM: Lifelong Learning in Neurology. 19(1):67-85, February 2013

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