A friend of mine is a synesthete. He finds it a blessing and a curse in his day to day life.

Psychedelics naturally amplify this, and the fact that he can feel emotion through touch, taste a sound or hear a color fascinates me to no end.

He never knew he was one until I showed him the Wikipedia page for synesthesia, he just thought he was fucked up in the head.

The things he must feel and experience I can only hope to have a taste of one day before I die.

In my experience it feels more like you're underclocked than overclocked. Sensations become so overwhelming at times it's hard to interpret them in ways that can be useful to you. I think in normal waking life, your brain interprets these sensations for you and narrows the amount your conscious mind actually has to deal with.

I would imagine it depends on the dose. An large dose of lsd would render just about anyone completely incoherent and possibly, absolutely insane. However, there is a reason many are gathering behind the idea of microdosing lsd for productivity. Here's an article on microdosing: https://motherboard.vice.com/en_us/article/gv5p5y/a-brief-hi...