To the Editor Dr Swanson and colleagues reported a case series of US government personnel in Cuba with neurological symptoms associated with audible and sensory phenomena.1 The authors argued against the possibility of mass psychogenic illness as the etiology. Mass psychogenic illness is a nervous system disturbance characterized by excitation, alteration, or loss of function, with the physical symptoms exhibited unconsciously and lacking an organic etiology.
Bartholomew RE. Neurological Symptoms in US Government Personnel in Cuba. JAMA. 2018;320(6):602. doi:10.1001/jama.2018.8702
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