PSYA01H3 Chapter Notes - Chapter 4: Far-Sightedness, Color Constancy, Parietal Lobe
Document Summary
Light refers to radiation that occupies a relatively narrow band of the electromagnetic spectrum. Light travels in waves that vary in terms of 2 different properties: wavelength: distance between peaks of a wave--differences in wavelength correspond to different colors on the electromagnetic spectrum. Short wavelengths: bluish color: amplitude: peaks of a wave give different experiences. High amplitude: bright colors: hue: colors of the spectrum o o. Sclera: white, outer surface of the eye. Cornea: clear layer of the eye that covers the front portion of the eye. Pupil: regulates amount of light that enters by changing its size; dilates to allow more light to enter and constricts to allow less light into the eye. Iris: a round muscle that adjusts the size of the pupil; it also gives the eyes their characteristic color. Lens: clear structure that focuses light onto the back of the eye.
