PSYCH 240 Lecture Notes - Lecture 6: Depth Perception, Retina, Subjective Constancy
Document Summary
Selective attention: focusing only on one thing at a time; focused awareness only on limited aspect of all that is capable of experiencing; you aren"t aware of nose in line of vision. Cocktail party effect: (example of selective attention) ability to focus only on one voice in a huge crowd. Unnoticed stimuli has effect: women who had listened to tunes previously played to them while unnoticed preferred it later on. Visual capture: phenomenon when a conflict occurs between vision and another sense, vision dominates; vision captures other senses (overrides) in theaters, sound comes from behind (projector), yet perceive as from screen. Humans organize clusters of sensation into gestalt: organized whole ; human tendency to order pieces of info into a meaning picture. First perceptual task: to perceive figure (object) as distinct from ground (background) Figure-ground: organization of visual field into the figure(s) that stand out from the ground. Next, organize figure into meaningful form (color, movement, like-dark contrast)
