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Week 4 Tuesday

by: Yessenia Figueroa

Week 4 Tuesday psych 1100

Yessenia Figueroa

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About this Document

These notes cover everything on vision covered this week
Introduction to Psychology
Andre Plate
Class Notes
Intro to Psychology
25 ?




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This 2 page Class Notes was uploaded by Yessenia Figueroa on Tuesday September 27, 2016. The Class Notes belongs to psych 1100 at Ohio State University taught by Andre Plate in Fall 2016. Since its upload, it has received 3 views. For similar materials see Introduction to Psychology in Psychology at Ohio State University.


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Date Created: 09/27/16
Vision Absolute threshold- smallest detectable stimulus Difference threshold- detectable change Vision- Parts of the eye Cornea- bends light to begin forming image on our retina Pupil- allow light into the eye Iris- muscle that controls the pupil Aperture- can be large to let in lots of light or small to let in very little light Lens- adjusts shape to focus on objectives Retina- network of neurons specialized to process light Rods- more sensitive to light and excel at seeing in dim lighting, do not have color perception, 90 million in the eyes Cones- less sensitive to light but can see color and create clear images, 5 million in the eye Fovea- part of the retina in the back, center of the eye, has most acute vision, focused object is projected on the fovea Optic nerve- the back of the eye is a bundle of axons carrying visual info Optic chiasm- crosses info closest to the nose over to the opposite hemisphere of the brain (aids in depth perception) Optic tracts- carries visual to thalamus, hypothalamus, and the midbrain Occipital lobe- processes info Dorsal pathway- shows where something is Ventral- shows what we are seeing Short wave- blue cone Medium wave- green cone Long wave- red cone Opponent process theory- blue/yellow receptors and red/green receptors (after image effect) Object recognition Hierarchical model Eyes+Mouth +Nose +Ear= person Gestalt psychology- whole is greater than the sum of its parts, proximity, continuation, similarity, figure, and ground Figure ground- we divide images into a foreground Simplicity- simplest solution to perceptual problem


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