PSYCH 240 Lecture Notes - Depth Perception, Checker Shadow Illusion, Retina
Document Summary
Cog lecture notes 1/14/13: more than one possibility for a figure, toggle back and forth. Illusionary contour: see a figure that isn"t there. Impossible figure: the clues are contradictory, perception, the means by which information acquired from the environment via the sense organs is transformed into experiences of objects, events, sounds, tastes, etc, nativist. Much of our knowledge is based on innately given characteristics. From this perspective, sensation and perception should be hard- wired. : empiricist. We are born as blank slates (tabula rasa). Thus, we must learn to sense and perceive: nature (genes) vs. nurture (environment, stages of perception. Proximal stimulus: some energy bounces off the tree and reaches our eyes. Percept: lots of processing of that proximal stimulus in our brains to get to the final percept: what we experience when we look at the tree. Lack of correspondence: when a percept doesn"t correspond to the distal stimulus, perceptual illusions.
