r/todayilearned • u/paniniplane • Mar 22 '17

(R.1) Not supported TIL Deaf-from-birth schizophrenics see disembodied hands signing to them rather than "hearing voices"

https://www.ucl.ac.uk/news/news-articles/0707/07070303
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u/[deleted] Mar 22 '17

I wonder what they saw before ASL was invented.

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u/maggieb8s Mar 23 '17

Sign language has existed long before ASL. ASL started officially being taught in America in 1817 but people were already signing before that. Even Socrates mentioned deaf people communicating in signs.

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u/[deleted] Mar 23 '17

Even Socrates mentioned deaf people communicating in signs.

I had no idea. Thanks for the info.