Psychology 2115A/B Lecture : Unit 3 Complete

• School: Western University
• Department: Psychology
• Course: Psychology 2115A/B
• Professor: Stephen Lupker

Document Summary

How we perceive positions of things in the environment. Retinal mosaic: 2d mosaic of colors and brightness; brain takes information to use. Da vinci explained and understood how various cues can be put into the canvas to produce the perception of depth. Convergence: eyes are coming together (looking close) and going apart (looking far away) Accommodation: lens thicken and thin out; due to ciliary muscles. Monocular cues: cues you get by looking using one eye. Types of cues da vinci discovered: interposition. When something is blocking something else, the thing at the front (a) blocking the back (b) is seen as closer to you: retinal image size. How big is the thing on your retina; cue for how far away it is. Isn"t just retinal image size that matter. Dog 6 and the ball; cover the same amount on your retina. Factor in the familiar size (ball is perceived as being closer to us: linear perspective.