Unit 2 - Perception (Modules 20, 21, 23) Flashcards
Sensation
The process by which we receive and represent stimulus energies from our environment
Sensory Receptors
Sensory nerve endings that respond to stimuli
Perception
The process of organizing and interpreting sensory information
Bottom-up Processing
Analysis that begins with the sensory receptors and works up to the brains integration of sensory information
Top-down processing
Constructs perceptions by drawing on experiences and expectations
Selective Attention
The focusing of conscious awareness on a particular stimulus
Inattentional Blindness
Failing to see visible objects when our attention is directed elsewhere
Change Blindness
Failing to notice changes in the environment
Perceptual Set
A mental predisposition to perceive one thing and not another
Extra sensory Perception
The claim that perception can occur apart from sensory input (telepathy, clairvoyance, pre recognition)
Parapsychology
The study of paranormal phenomena
Gestalt
An organized whole (tendency to integrate pieces of information into meaningful wholes)
Figure Ground
The organization of the visual field into objects that stand out from their surroundings
Grouping
The perceptual tendency to organize stimuli into content groups
Depth Perception
The ability to see objects in three dimensions