Module 12 - Module 12 Vision The Stimulus Input Light...

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Module 12: Vision I The Stimulus Input: Light Energy A. Transduction conversion of one form of energy into another; in sensation, transforming of stimulus energies into neural impulses B. Electromagnetic spectrum short waves of gamma rays to narrow band of visible light to ultraviolet light C. Wavelength distance from the peak of one light or sound wave to the peak of the next electromagnetic wavelengths vary from the short blips of cosmic rays to the long pulses of radio transmission D. Hue the dimension of color that is determined by the wavelength of light; what we know as the color names blue, green, etc. E. Intensity amount of energy in a light or sound wave which we perceive as brightness or loudness, as determined by the wave’s amplitude II The Eye A. Light enters through cornea protects eye & bends light to provide focus B. Passes through pupil adjustable opening in the center of the eye through which light enters C. Iris ring of muscle tissue that forms the colored portion of the eye around the
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