On other occasions, we point to the fact that it all begins with a perception of the non-exact outer world that we soon try to complete with the help of memory and our learning ability. The uncertain perception according to the researcher and neurologist Ranulfo Romo, is sustained by physical phenomena that we do not know much yet.
Everything we know about the world comes to us through the five senses. We begin to know how we transform into electrical signals everything that the retina sends to the brain.