subliminal

1. An advertisement, a message, etc., which is conveyed in a manner that a person is unaware of being influenced by it.
2. An audio or video recording, often consisting of ambient music or white noise with hidden affirmations, intended to produce physical or psychological changes in the listener through repetition. · She spent all night listening to a subliminal to change her eye color.
3. Chiefly preceded by the: the subconscious (dated) or unconscious self.

الجمع subliminals