Articles > Quizzes & Surveys > Neurology of Illusions – Quiz Neurology of Illusions – Quiz Quiz Choose the correct answer. Write it in the space provided. Ambiguities Distortions Paradoxes Fictions Auditory Illusions 1. Visual illusions caused by the brain's assuming the presence of hard surfaces when in reality they're not present 2. Visual illusions caused by the sensory misreadings in regards to spatial awareness 3. Visual illusions that makes the brain uncertain if it is real or really an illusion 4. Visual illusions that are perceptual changes, leaving the brain to second guess the actual position of the elusive object. 5. Exemplified by a noise situated close to you has a higher pitch of sound to that of a sound further away Send Your Results (Optional) Your Name To Email Time is Up!