921
Participants
Start Date
March 24, 2003
Primary Completion Date
March 11, 2020
Study Completion Date
July 28, 2022
Threat of shock
During threat, a participant could receive a shock. During safe, a participant could not receive as shock. Participants selected their highest tolerable level of shock.
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda
National Institute of Mental Health (NIMH)
NIH