https://psychology-spot.com/subliminal-messages-how-they-affect-our/
Subliminal messages are processed in the brain but they fail to reach conscience.
About how they could affect our behaviors and decisions is still a widely researched issue, and although the opinions of the psychologists are very different about it, the popular beliefs establish a cause-effect linear relationship between the emission of the message and the behavior of the person. However, the incidence of subliminal messages is stranger than their creators can imagine and sometimes can generate opposite effects.
The reason for the lack of knowledge about the subliminal phenomenon can be understood approaching its history. The first rigorous research in this field was carried out in 1919 by Poetzle, to establish a relationship between subliminal stimuli, the post-hypnotic suggestion and the compulsive neurosis. Then, the study of subliminal perception didn’t call the attention again until the end of the 1950s, when in 1957 Vicary, a researcher of the U.S. market, showed a tachistoscope (a machine that projected on the screen invisible messages that can be captured but do not reach consciousness).
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