Psychology: Perception

How do we see?
1. Rods: Rods work ihn dim light they also detect light.
2. Cones: cones only work in bright light they also detect different colours.
3. Cornea: Protects the eye from Bacteria.
4. Pupil: A hole to allow light in.
5. Retina: LIght sensitive layer at the back of the eye, it has cells called Rods and Cones*
6. Optic nerve: sends information collected by the eye,. to the brain.
7. Vision: WE see the world by detecting light with our eyes.
8. Perception: Our brain helps us to understand the world by using information from the eyes.
9. Optic chiasma: Where information from the right eye and the left eye cross over.
Key definitions:
1. Visual Constancy: The ability to recognise that an object remains the same even when it produces different images on the retina.
  1. There are 3 types size, shape, colour
Depth cues:
1. Size Constancy: Our brain perceives things to be the same size even if the distance from us changes.
2. Relative size: The closer the object is to the eye the bigger the imasge onj the retinba.
3. Monocular: Information about distance that needs one eye to process.
4. Binocular: Information about distance that needs two eyes to process.
5. Texture gradient:

Resource summary

	Created by Mya Taylor about 8 years ago