As it is only possible to know what it is like to be yourself, it could be that you perceive the world in a completely different way than is typical and have no idea that that is the case. Hence the existence of invisible disabilities such as face blindness or double vision, conditions such as synesthesia and aphantasia, etc. I am curious if anyone here experiences any such mental/perceptual phenomenon that could possibly be unique to you/atypical. Or if you experience one of the above it would be very interesting to hear about as well!

Some examples of what I'm going for:

• a YouTuber/blogger I follow claims their internal monologue takes the form of a humming or buzzing following the cadence and intonation, but not the sounds, of speech.
• my personal inner monologue is usually more of a "dialogue", as in a discussion between me and 1+ imaginary participants (usually someone I know IRL or a character from a book). Although I don't perceive "them" as a separate entity I can't really predict what "they" will say. (feel free to comment if you experience this as well! I only suspect this is weird because mental vocalization is typically referred to as monologue but maybe this is totally normal?)
• I'm pretty sure I experience emotions at a much shallower level than most. When I was very young I actually considered the possibility that I was a robot constructed by my parents, based on some Twilight Zone episode. I would say 95% of the time I don't really feel any emotion and when I do, it feels much less intense than it seems to be for most people judging by their behavior.
• When I'm reading particularly dense text or have spent some time memorizing things, there is sometimes a certain sensation in my head, which, while I wouldn't really call it tiredness or exhaustion, does compel me to stop studying or whatever I'm doing. It's almost analogous to muscle soreness?