One Answer

  1. These are hallucinations. On the one hand, this may be a manifestation of some kind of disease. On the other hand, do not rush to get scared right away and run to the doctor.

    Our brain often completes something that is not really there, and vice versa, hides many details. This completion is due to the habit of optimizing everything. Some triggers are triggered and then the brain acts according to the usual scheme: there is a video and there has always been sound from the speakers => so it will be now.

    And hiding some details happens to avoid overloading. For example, most of the time you don't notice how you blink and almost never hear the pounding of your heart.

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