psych chpt 4 hearing and seeing

the colored part of the eye that controls the size of the pupil by constricting or dilating in response to light intensity.

a structure that focuses the incoming light on the retina

a clear covering that protects the eye and begins to focus the incoming light.

the layer of tissue at the back of the eye that contains photoreceptor cells.

a small opening in the center of the eye

the inability to detect either green and/or red colors.

roposes that we analyze sensory information not in terms of three colors but rather in three sets of “opponent colors”: red-green, yellow-blue, and white-black.

messages from our bodies and the external environment that supply us with information about space and distance.

the inability to detect either green and/or red colors.

a meaningfully organized whole.

wavelength of the sound wave

height of the sound wave

the unit of relative loudness

the perceived frequency of a sound.

the external and visible part of the ear

tightly stretched, highly sensitive membrane

the membrane covering the opening of the cochlea, to vibrate, disturbing the fluid inside the cochlea.

a snail-shaped liquid-filled tube in the inner ear.

the hammer (or malleus), anvil (or incus), and stirrup (or stapes)