Chapter 3 Psych

Front 1

Sensation

Back 1

the activation of receptors in the various sense organs.

Front 2

Sensory receptors

Back 2

specialized forms of neurons.

Front 3

What are the sense organs?

Back 3

eyes, ear, nose,skin, taste buds

Front 4

Just noticeable difference (jnd or the difference threshold)

Back 4

the smallest difference between two stimuli that is detectable 50 percent of the time.

Front 5

Absolute threshold

Back 5

the smallest amount of energy needed for a person to consciously detect a stimulus 50 percent of the time it is present

Front 6

Subliminal stimuli

Back 6

stimuli that are below the level of conscious awareness.

Front 7

Subliminal perception

Back 7

process by why subliminal stimuli act upon the unconscious mind, influencing behavior.

Front 8

Habituation

Back 8

tendency of the brain to stop attending to constant, unchanging information.

Front 9

Sensory adaptation

Back 9

tendency of sensory receptor cells to become less responsive to a stimulus that is unchanging.

Front 10

Brightness

Back 10

determined by the amplitude of the wave—how high or how low the wave actually is. The higher the wave, the brighter the light will be. Low waves are dimmer.

Front 11

Color

Back 11

or hue, is determined by the length of the wave.

Front 12

Saturation

Back 12

refers to the purity of the color people see; mixing in black or gray would also lessen the saturation.

Front 13

c

Back 13

c