Suppose you were sitting at home, relaxing on a sofa with your dog, when suddenly your visual image of the dog gave way to that of a steaming bowl of noodles. You might find that odd, no? Now suppose that not just the dog changed, but the sofa too. Suppose everything in your visual field changed instantaneously in front of your eyes.
Imagine further that you were in a crowd and exactly the same thing was happening to everyone around you, at exactly the same time. Wouldn’t that be disturbing? Kafkaesque? In 1895 in Paris, exactly this started happening – first to a few dozen people, then to hundreds and then thousands. Like many fin-de-siècle trends, it jumped quickly from Europe to the United States. By 1903, it was happening to millions of people all over the world. What was going on? An epidemic of an obscure neurological disorder? Poisoning? Witchcraft?
Read the whole story: Aeon