From: 
Struck by Genius: How a Brain Injury Made Me A Mathematical Marvel © 2014 by Jason Padgett, Maureen Ann Seaberg.
And here is his picture of his hand:
“Quantum Hand Through My Eyes” © June 7, 2006 by Jason Padgett, who has something called Synesthesia. It is a brain condition that makes one see numbers as shapes. Jason is currently being studied along with several other savants to try to discover how this condition works. This hand drawn image is how Jason saw his hand when asked to draw it.
from: https://www.earthfiles.com/2019/12/27/part-1-is-our-universe-also-a-3-d-hologram-3/
