S&P

Process where stimulation of a sensory receptor gives rise to neural impulses that result in an experience, or awareness of, conditions inside or outside the body

The minimum amount of energy needed to produce a sensation

The smallest difference between two sensations that allows them to be discriminated

perception of sensory stimuli, which involves interaction of physical, biological, and psychological

change in a stimulus that will be just noticeable is a constant ratio of the original stimulus

change over time in the responsiveness of the sensory system to a constant stimulus

diminished emotional responsiveness to a negative or aversive stimulus after repeated exposure to it. It also occurs when an emotional response is repeatedly evoked in situations in which the a

physical signals from the environment are transducted into neural signals

transparent covering of the eye

colored part of the eye

focuses the light rays that pass through it

layer in the back of the eye responsible for turning images into neural code, also contains rods and cones

the nerve that carries neural impulses from the eye to the brain

retinal receptor cells that are concentrated near the center of the retina that function best in daylight

retinal receptors that detect black and white, function for peripheral vision and dim lighting