PSYB51H3 Chapter Notes - Chapter 5: Retinal Ganglion Cell, Magnocellular Cell, Subtractive Color
Document Summary
Week 5 june 5 th , 2015. With color we perceive something that doesn"t exist: and we are extraordinarily good at it and efficient, even though the task is actually infinitively ambiguous. Basic principles of color perception: although color itself is not a physical property of things in the world, it is related to a physical property. Color is the result of the interaction of physical stimulus with a particular nervous system: humans see a narrow range of electromagnetic spectrum between the wavelengths of about. 400 and 700 nanometers (nm): most of the light we see is reflected light, the more light that is absorbed the darker the surface will appear. Cone photoreceptors: three varieties: s-cones: a cone that is preferentially sensitive to short wavelengths. Colloquially (but not entirely accurately) known as a blue cone . Relatively rare and less sensitive than m- and l-cones: m-cones: a cone that is preferentially sensitive to medium wavelengths.
