Psychology Chapter 3

Front 1

Sensation

Back 1

Activation of receptors by stimuli in the environment.

Front 2

Perception

Back 2

The process of organizing and making sense of sensory information.

Front 3

Transduction

Back 3

Conversion of stimuli received by the receptor into a form (patterns of neural impulses) that can be used by the nervous system.

Front 4

Adaptation

Back 4

Loss of sensitivity to a stimulus by the receptors as a result of continued presentation of that stimulus.

Front 5

Weber's Law

Back 5

The observation that the amount of stimulus increase of decrease required to notice a change, divided by the original stimulation, is a constant.

Front 6

just noticeable difference (ind))

Back 6

Smallest difference between two stimuli that is noticeable 50 percent of the time by participants.

Front 7

absolute threshold

Back 7

Minimum amount of energy required for conscious detection of a stimulus 50 percent of the time by participants.

Front 8

differential threshold

Back 8

Smallest amount of stimulation that must be added to or subtracted from an existing stimulus for a person to be able to detect a change 50 percent of the time.