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The flicker fusion threshold, also known as critical flicker frequency or flicker fusion rate, is the frequency at which a flickering light appears steady to the average human observer. It is a concept studied in vision science , more specifically in the psychophysics of visual perception .
Mind control, or brainwashing, has proven a popular subject in fiction, featuring in books and films such as The Manchurian Candidate (1959; film adaptations 1962 and 2004) and The IPCRESS File (1962; film 1965), both stories advancing the premise that controllers could hypnotize a person into murdering on command while retaining no memory of the killing.
Operation Midnight Climax was an operation carried out by the CIA as a sub-project of Project MKUltra, the mind-control research program that began in the 1950s. It was initially established in 1954 by Sidney Gottlieb and placed under the direction of the Federal Bureau of Narcotics in Boston, Massachusetts with the "Federal Narcotics Agent and CIA consultant" [1] George Hunter White under the ...
Twisted Fiction (2023), a horror anthology film whose first story (entitled "Mind F*ck") is about a stage hypnotist who gives a woman a hypnosis induced orgasm during one of his shows, enraging her husband. He uses several different hypnosis techniques on both of them throughout the episode, including post hypnotic triggers and shock induction.
It's just to trick the mind. 24 frames being shown per second is actually very jerky. 48 is more asthetically pleasing. In fact 24fps is not at all jerky (it exceeds the motion fusion frequency) but the flicker is unacceptable. Showing each frame twice reduces the flicker, but adds motion artefacts.
Up to about 80 Hertz or the flicker fusion threshold it is called visible flicker. From about 80 Hertz to 2000 Hertz it is called the stroboscopic effect (this article). Overlapping in frequency, but from 80 Hertz up to about 6500 Hertz a third effect exists called the phantom array effect or the ghosting effect , an optical phenomenon caused ...
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Fiction about mind control, the concept that the human mind can be altered or controlled by certain psychological techniques. Brainwashing is said to reduce its subject's ability to think critically or independently, to allow the introduction of new, unwanted thoughts and ideas into their minds, as well as to change their attitudes, values, and beliefs.