PSYB51H3 Chapter Notes - Chapter 2: Rhodopsin, Retinitis Pigmentosa, Wave Power
Document Summary
Ch 2- the first steps in vision: from light to neural signals. Light form of electromagnetic radiation; energy is produced by vibrations of electrically charged material. Reflect: to redirect something that strikes a surface (esp light, sound, or heat) ususally back toward its point of origin: the fact that most of the light bounces odd the surface accounts for that surface"s light appearance. Most, of the light striking a dark surface however, is absorbed light that is neither reflected nor absorbed by the surface : transmitted through the surface to convey something (ex. Light) from one place/thing to another refract: 1. Pupil: the dark, curcular pening at the centre of the iris in the eye, where. Much of the light energy will have been lost in space. atmosphere: detects light & tells the brain about aspects of light that"re related to objects in the world .
