Given what is hitting the sensory receptors, the brain tries to work out what is the most likely thing that is happening. Perception is the end product of a chain of events that starts with sensory input and includes a cognitive, interpretive component. Have I convinced you that the brain is full of tricks and that the world is not always as it appears? Here’s where it gets really interesting. The brain fills in missing information without your knowing it. And the older you get, the more it does this. This perceptual completion is also based on the logic of perception.
