Your all-time favorite hallucination?

[Angrboda]

Done a fair amount of pychedelics but I've never hallucinated in the way op is talking about. I've had visuals but never been convinced that what I was seeing was real.

Dude, you need to get better suppliers. I've taken LSD so potent that (well before I peaked) I doubted that real was real.

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As an aside, one time when I was tripping, I looked up through a tree and saw fractal geometry. And (wouldn't ya know it) tree branches DO form fractals.

I don't know exactly what to make of this. My working theory at the time was that LSD shows us stuff that our brain normally filters out. Are there any Tim Leary types on the forum that can answer this?

Generally speaking, psychotropic drugs work by inhibiting or enhancing aspects of cognition (enhancing is just effectively inhibiting other functions). So it may very well allow us to see things we normally wouldn't see given the competition or mitigation of other functions, which likely has the same effect. So, pulling this all from my ass, I'd say there is support for what you say. For example, some drugs may suppress our tendency to individuate and distinguish our being from that of others and our surroundings, leading to a perception that all things are one and we are merely a part of that oneness. Is that oneness actually real independent of our perception of it? That's a different question, to which the corollary would be to ask whether the tree was actually a fractal in any real sense?

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I haven't had any interesting hallucinations. The most interesting were seeing the carpet breathe and seeing five golden lights floating in a constellation of sorts in the middle of my room. And I wasn't on any drugs for either. I've never taken anything like LSD so I guess I'm missing out.