key terminology perception

Question	Answer
perception	the way the brain makes sense of the visual image detected by the brain
retina	the light sensitive layer at the back of the eye. it is made up of nerve cells called rods and cones
rods	light sensitive cells in the retina that respond even in dim light
cones	light sensitive cells in the retina that detect colour
optic nerve	bundle of nerves that leads out from the retina at the back of the eye. it carries information from the rods and cones to the brain
blind spot	the area of the retina where the optic nerve leaves. it has no rods or cones so cannot detect light.
optic chiasma	the cross shape where some of the information from the left and right eye crosses over to pass into the opposite side of the brain
visual cortex	the area at the back of the brain that interprets visual information

Resource summary

	Created by georgiabooth620 almost 12 years ago