PSYC 111 Lecture Notes - Lecture 11: Observational Learning, Hair Iron, Classical Conditioning
13 Oct 2016
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Most lack functioning red or green sensitive cones or both. Vision is monochromatic or dichromatic instead of trichromatic: young-helmholtz trichromatic theory. Retina has three types of color receptors. Sensitive to red, green, or blue: when we stimulate combinations of these cones, we see other colors. Ex: when both red and green sensitive cones are stimulated, we see yellow: hering"s opponent process theory. One responsible for red vs green perception. Plus a third for black vs white process. Ex: in both the retina and the thalamus, some neurons are turned on by red but turned off by green. Perception of color: present explanations indicate that color processing occurs in two stages: The retina"s red, green, and blue cones respond in varying degrees to different color stimuli, as the young-helmholtz trichromatic theory suggested. Then, signals are processed by the nervous system"s opponent process cells, as. Ex: one temporal lobe area by your right ear enables you to perceive faces.
