PSYC 100 Chapter Notes - Chapter 4: Stirrup, Subjective Constancy, Low Frequency
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PSYC 100 Full Course Notes
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Perceptual processing the eye senses array of information and translates information into neural impulses and transfers it to the brain. Primary eye function is to gather light and change it into an action potential. Light waves can differ in terms of how many different wavelengths are being viewed at once. Sclera the white, outer surface of the eye. Cornea the clear layer that covers the front portion of the eye and also contributes to the eye"s ability to focus. Pupil regulates amount of light that enters by changing its size. Dilates to allow more light to enter. Constricts to allow less light to enter. Iris round muscle that adjusts the size of the pupil; it also gives the eyes their characteristic colour. Lens clear structure that focuses light on the back of the eye. Accommodation lens change its shape to ensure that light entering eye is refracted so that it can reach the back of eye.