Articles > Human Perception – Neurology – Quiz Human Perception – Neurology – Quiz Quiz Choose the correct answer. 1. The retina picks up photons of light via the rods and cones present in it.TrueFalse 2. The senses act as a processing unit that interpret the perceived stimulus.TrueFalse 3. The images picked up by the eyes are projected upside down on each of the eyes' retina.TrueFalse 4. The brain perceives the images picked up by the eyes as upside down.TrueFalse 5. A healthy, functional brain can never be tricked and therefore will not encounter any form of illusion.TrueFalse Send Your Results (Optional) Your Name To Email Time is Up!