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24 Cards in this Set

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  • Back
Auditory Localization
Locating the source of a sound in space
Binocular Depth Cues
Clues about distance based on the differing views of the two eyes
Comparitors
People, objects, events, and other stardards that are used as a baseline fo rcomparisons in making judgements
Complementary Colors
Pairs of colors that produce gray tones when added together
Convergence
A cue to depth that involves sensing the eyes converging toward each other as they focus on closer objects
Distal Stimuli
Stimuli that lie in the distance (that is, the world outside the body)
Feature Ananlysis
The process of detecting specific elements in visual input and assembling them into a more complex form
Feature Detectors
Neurons that respond selectively to very specific features of more complex stimuli
Phi Phenomenon
The illusion of movement created by presenting visual stimuli in rapid succession
Frequency Theory
Perception of pitch corresponds to the rate, or frequency, at which the entire basilar membrane vibrates
Gate-Control Theory
The idea that incoming pain sensations must pass through a "gate" in the spinal chord that can be closed, thus blocking pain signals
Kinesthic System
The sensory system that monitors the positions of the parts of one's body
Monocular Depth Cues
Clues about distance based on the view of either eye alone
Motion Parallax
Cue to depth that invovles images of objects at different distances
Parallel Processing
Simutaneously extracting different kinds of information from the same input
Perceptual Set
A rediness to percieve a stimuli in a particular way
Signal-Detection Theory
A psychophysiological theory that the detection of stimuli involves decision processes as well as sensory processes, which are influenced by a variety of factors besides the physical intensity of a stimulus
Vestibular System
Responds to gravity and keeps people informed of their body's location in space
Visual Agnosia
An inability to recognize objects
Circadation Rhythms
The 24 hour biological cycle found in humans and many other species
Lucid Dreams
Dreams in which poeple can think clearly about the circumstances of waking life and the fact that they are dreaming, yet they remain asleep i the midst of a vivid dream
Physical Dependence
The condition which exists when a person must continue to take a drug to avoid withdrawl illness
Psychological Dependence
An intense mental craving for a drug
Somnambulism
Sleepwalking