This vintage video set is an exploration in the power of the mind . . . but . . . it also makes one wonder WTF with capital W and T and especially F!
In the name of demonstrational psychological science, the research hypnotist is performing a true and odd mindfuck on the unconscious minds of these unwitting volunteer trance partners.
Part One
Part Two
Yes, the responses are worth observing, but implanting a false negative experience would be considered highly unethical today.