PSY 102 Lecture Notes - Lecture 6: Visual Perception, Basilar Membrane, Edge Detection
2 Dec 2018
School
Department
Course
Professor
Document Summary
Psy102: introduction to psychology (4) sensation and perception. Sensation and perception-how the information gets to your brain. Sensation (sensory transduction) the process of turning physical input (such as wavelengths of light) into the electro- chemical language of your nervous system. Perception the process of assigning meaning to that stimulation. Sensations patterns of black and white (or grey) spots. Picture of cow meaningful interpretation of something. The various lines, angles and shades of grey in this image provide you with many visual sensations. These sensations do not differ (or doesn"t change) when you see the rabbit from when you see the duck. Visible" light forms just one part of the spectrum of electro- magnetic radiation (energy). All waves of energy is carried by photons. Wavelength the distance from one energy peak to another = colour. When a wavelength of about 400 nm, you will see purple.
