I've heard that story. I've yet to see evidence it actually happened though. I don't the experiment with pass a modern ethics panel either.
I stand corrected: https://blogs.cornell.edu/info2040/2012/11/03/monkeys-and-in...
parables that didn't happen can still be useful
I stand corrected: https://blogs.cornell.edu/info2040/2012/11/03/monkeys-and-in...