TIL: Ivan Pavlov of Pavlov’s dogs also experimented on orphaned children which involved drilling a hole in their cheeks and applying electric shocks.

https://en.wikipedia.org/wiki/Ivan_Pavlov#Studies_of_digestion

#til #todayilearned

https://www.reddit.com/r/todayilearned/comments/1e9djl3/til_ivan_pavlov_of_pavlovs_dogs_also_experimented/