PSY 200 Study Guide - Midterm Guide: Decay Theory, Multiple Choice, Flashbulb Memory
Document Summary
Iris - colored structure on the surface of the eye surrounding the pupil. Pupil - adjustable opening that widens and narrows to control the amount of light entering the eye. Vitreous humor - clear jellylike substance that fills the eyeball. Retina - layer of visual receptors covering the back surface of the eyeball. Fovea - central area of retina - adapted for detailed vision ture on surface of the eyeball (always focuses light the same way) Lens - flexible structure that varies its thickness, lets the eye to accommodate for diff. distances. Optic nerve, optic chiasm, optic tracts, thalamus, occipital lobe. Receptors - specialized cells that convert environmental energies into signals for the nervous system. Adapted for color vision, daytime vision & detailed vision. About 5% of visual receptors are cones theories of color vision - three theories explain different aspects of color vision. Color depends on relative responses of 3 types of cones.
