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Mass anxiety hysteria "consists of episodes of acute anxiety, occurring mainly in schoolchildren. Prior tension is absent and the rapid spread is by visual contact." [9] Mass motor hysteria "consists of abnormalities in motor behaviour. It occurs in any age group and prior tension is present.
Sri Lanka (2012) – From November 15–20, 2012, incidents of mass hysteria occurred at 15 schools in Sri Lanka. More than 1,900 school children of 15 schools in Sri Lanka and five teachers were treated for a range of symptoms that included skin rashes, vomiting, vertigo, and cough due to allergic reactions believed to be mass hysteria.
Mass hysteria accusations [ edit ] Epidemic cases of myalgic encephalomyelitis (ME) were called mass hysteria by psychiatrists McEvedy and Beard in 1970, [ 16 ] provoking criticism in letters to the editor of the British Medical Journal by attending physicians, researchers, and nurses who fell ill.
It then becomes a "mass psychogenic event," sometimes less delicately called "mass hysteria." ... "In my reporting one of the things that was so shocking was how bad the environmental issues ...
In the 20th and 21st centuries, further theories on the causes of the dancing plague arose. Hecker's theory on the role of mass hysteria, religious festivals and the accumulation of multiple time- and place-specific circumstances remains one of the key explanations of why the dancing plague occurred.
They believed the hospital workers suffered from an incident of mass hysteria. [4] In total, 27 of the 37 staff members in the emergency room that night reported feeling some type of symptom. [3] Gorchynski denied that she had been affected by mass hysteria and pointed to her own medical history as evidence.
Today, mass hysteria is called psychogenic illness, and these authors tackled various cases of what they are now referring to as the nocebo effect.
The official inquiry ruled that mass hysteria was the likely cause, with the symptoms experienced by the children demonstrating some of the characteristics of such an outbreak. [3] People present at the event were adamant that the symptoms were real and not the result of imagination or hysteria. [ 2 ]