The shapes showing up during psychedelic experiences probably have to do with the geometry of our visual perception apparatus: Uncoiling the spiral: Maths and

The shapes showing up during psychedelic experiences probably have to do with the geometry of our visual perception apparatus: Uncoiling the spiral: Maths and hallucinations https://plus.maths.org/content/uncoiling-spiral-maths-and-hallucinations https://plus.maths.org/content/uncoiling-spiral-maths-and-ha...