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8 Cards in this Set

  • Front
  • Back
Sensation
Activation of receptors by stimuli in the environment.
Perception
The process of organizing and making sense of sensory information.
Transduction
Conversion of stimuli received by the receptor into a form (patterns of neural impulses) that can be used by the nervous system.
Adaptation
Loss of sensitivity to a stimulus by the receptors as a result of continued presentation of that stimulus.
Weber's Law
The observation that the amount of stimulus increase of decrease required to notice a change, divided by the original stimulation, is a constant.
just noticeable difference (ind))
Smallest difference between two stimuli that is noticeable 50 percent of the time by participants.
absolute threshold
Minimum amount of energy required for conscious detection of a stimulus 50 percent of the time by participants.
differential threshold
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.