How many dots at the intersections are black?
In this scintillating grid illusion, dark dots seem to appear and disappear randomly. Various theories have been proposed to explain it. It may be caused by the mechanism of lateral inhibition (the capacity of an excited neuron to reduce the activity of its neighbors).
reach: rather globalillusionsoptical illusionstechnology
+1 Very interesting! Shubhadeep Ghosh
+7 Very interesting! globalquiz.org