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mass hysteriaThe synchronous appearance in a group of individuals of signs and nonspecific physical symptoms of hysteria, for which no organic cause can be determined. It is transmitted among members of a group by “line of sight” and is more common in young females.
Nausea, loss of consciousness, vertigo, headache, shortness of breath, fainting, screaming, shaking, crying, muscle weakness, hyperventilation; a general lack of symptoms in those sharing the same physical environment, but in a different timeframe—i.e., of temporal, and not spatial, significance.
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