The brain's incapacity to identity the basic tone results in it to "slip" periodically, thereby generating the illusion, very like an eye checking out a barber pole pattern. Gustatory, olfactory, and tactile Illusions So, there aren't any photoreceptors in that location of the attention and no image is generated https://illusionofkundunmuonline99987.spintheblog.com/36171799/about-illusion-of-kundun-mu-online