Sensation and Perception Vocabulary

3. the white outer layer of the eyeball
4. a psychological theory that accounts for a wide range of behaviors, including colour vision
6. the ability to adjust to new information and experiences
7. the smallest amount by which two sensory stimuli can differ in order for an individual to perceive them as different
12. A theory of color vision which states that three primary colors may be chosen in such a way that, combined in various proportions, they can match any color
14. a light-sensitive cell of one of the two types present in the retina of the eye, responding mainly to bright light and responsible for sharpness of vision and color perception
15. the raised disk on the retina at the point of entry of the optic nerve, lacking visual receptors and so creating a blind spot

1. the lowest level of stimulation that a person can detect
2. the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected
5. a light-sensitive cell of one of the two types present in large numbers in the retina of the eye, responsible mainly for monochrome vision in poor light
8. a small depression in the retina of the eye where visual acuity is highest
9. Light or sound wavelengths passing from one medium to another are bent, affecting the way they are perceived
10. the transparent layer forming the front of the eye
11. a purplish-red light-sensitive pigment present in the retinas of humans and many other animal groups
13. changing a schema, or preconceptions about the world and the particular things within, in order to accommodate new information