what is the connection between studying a brain that experiences phantom senses and understanding a "normal" brain ?

A hypercomplex visual cortical cell detects motion. detects angles and line ends. detects straight lines and edges. none of the above answers is correct

What is referred pain, and why do we experience it in this way?

Bryan has normal vision and is wearing a special headset that shows a picture of a sailboat to his left eye and a picture of a dog to his right eye. What is Bryan's perception of these images most likely to be?     He will only perceive whichever image is presented to his dominant eye.     He will alternate between perceiving the sailboat and perceiving the dog.     He will perceive the dog and the sailboat overlaid on top of each other.     He will perceive parts of the dog and parts of the sailboat combined together in a fashion similar to a puzzle.