PSYA01H3 Lecture Notes - Lecture 12: Niagara Falls, Retina, Sclera
Document Summary
E. g. fireworks over niagra falls: can recognize the aspects of the pictures. But picture is a bunch of pixels lit up. Sensory organs take light energy and transduce it into the brain (information in the brain is highly categorized neurotransmitters: appreciate sensation side a little more. Humans do not sense all there is to sense: bats have echo-location, sharks sense minute electrical currents, rattlesnakes are sensitive to low frequency vibrations, dogs can smell cancer. Humans have very good vision allows us not to get close to our enemies (e. g. animals) Iris - the colored part of your eye it is actually a muscle that controls the size of the pupil. Pupil - the black part in the middle of the eye the opening that allows light into the eyeball lights out! Sclera - the white part of the eye a tough membrane that serves as protection.
