Text: “Mathematical beauty activates same brain region as great art or music” https://www.ucl.ac.uk/news/2014/feb/mathematical-beauty-activates-same-brain-region-great-art-or-music
May 2022 TOK essay prescribed title #2 is focused on research on how the same part of the brain seems to be responsible for processing both mathematical and artistic beauty.
There are of course significant differences between what counts as beautiful in mathematics and the arts. One could argue that mathematics deals more with facts while art is based more in truth. However, more successful TOK essays often go beyond stereotypical views of AOKs and sometimes look at them from completely opposite points of view.
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