Uncoiling the spiral: Maths and hallucinations | plus.maths.org


21 bookmarks. First posted by creaktive june 2015.


Common visual patterns seen by those affected by drugs or those who are dying can be explained by understanding the geometry of visual processing in the brain.
vision  brain  opticalillusion  via:reddit 
yesterday by mcherm
Think drug-induced hallucinations, and the whirly, spirally, tunnel-vision-like patterns of psychedelic imagery immediately spring to mind. But it's not just hallucinogenic drugs like LSD, cannabis or mescaline that conjure up these geometric structures.
brains  drugs  math  from instapaper
5 weeks ago by carlrustung
Skip to main content Uncoiling the spiral: Maths and hallucinations By Marianne Freiberger Submitted by plusadmin on December 1, 2009 Tags Tweets by @plusmathsorg
Archive  instapaper  tenpla 
8 weeks ago by WFreeland
Think drug-induced hallucinations, and the whirly, spirally, tunnel-vision-like patterns of psychedelic imagery immediately spring to mind. But it’s not just…
from instapaper
october 2015 by colaco