my visual cortex loves the point-symmetric "tunnel visions" from 1:50<br /> aka: visual cortex form constants, resonance between external and internal patterns<br /> this is also why kids in school are forced to write on "lined paper" aka "ruled paper"...

Antov, M.I., Plog, E., Bierwirth, P. et al. Visuocortical tuning to a threat-related feature persists after extinction and consolidation of conditioned fear. Sci Rep 10, 3926 (2020). https://doi.org/10.1038/s41598-020-60597-z