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You should know the definitions of the following key terms from the chapter. They are listed in the order in which they appear in the chapter. For those you do not know, return to the relevant section of the chapter to learn them.

absolute threshold

signal detection theory

difference threshold

Weber’s law

Stevens’s power law

sensory adaptation

wavelength

amplitude

frequency

transduction

accommodation

nearsightedness

farsightedness

retina

blindsight

rods

cones

fovea

dark adaptation

trichromatic theory

additive mixtures

subtractive mixtures

complementary colors

opponent-process theory

cochlea

hair cells

nerve deafness

conduction deafness

place theory

frequency theory

volley principle

sensation

perception

bottom-up processing

top-down processing

perceptual set

contextual effect

figure-and-ground principle

closure

subjective contour

perceptual constancy

depth perception

retinal disparity

linear perspective

interposition