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6500 BCE
Trephination
This was used for people that had abnormal behavior which was only curable with this tool. The medicine man would drill holes in the person skull to release the demons -
Tuskee Syphilis Study
Sharecroppers documented diseases in blacks and racial differences in the clinical manifestations of syphilis -
B.F. Skinner Operant Conditioning circa
Used electrical shocks on animals -
Stanley Milgram- Obedience circa
Applied electrical shocks to human participants