There are „lower level“ explanations for these visual hallucinations: https://en.m.wikipedia.org/wiki/Phosphene#Mechanical_stimulation https://en.m.wikipedia.or

There are „lower level“ explanations for these visual hallucinations: https://en.m.wikipedia.org/wiki/Phosphene#Mechanical_stimulation https://en.m.wikipedia.org/wiki/Phosphene#Mechanical_stimula...