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Chapter 4 Sensation and Perception
vocab review
31
Psychology
11th Grade
11/06/2013

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Term
Absolute threshold
Definition
the WEAKEST amount of a particular stimulus that can be sensed
Term
Afterimage
Definition
the VISUAL IMPRESSION that remains after the original image has been removed
Term
auditory nerve
Definition
The CRANIAL NERVE that carries sound from the cochlea of the inner ear to the brain
Term
binocular cues
Definition
visual cues for depth that require the use of BOTH EYES
Term
blind spot
Definition
the part of the retina that contains NO PHOTORECEPTORS
Term
closure
Definition
the tendency to perceive a complete or WHOLE FIGURE even when there are gaps in sensory information
Term
cochlea
Definition
the FLUID FILLED structure of the inner ear that transmits impulses to the auditory nerve
Term
common fate
Definition
the tendency to perceive objects that are MOVING TOGETHER AS BELONGING TOGETHER
Term
complementary
Definition
the COLORS across from each other on the color wheel
Term
conductive deafness
Definition
hearing loss caused by damage to the MIDDLE EAR, thus interfering with the transmission of sound waves to the cochlea
Term
continuity
Definition
the perceptual tendency to group stimuli into CONTINUOUS patterns
Term
difference threshold
Definition
the MINIMUM AMOUNT of DIFFERENCE that can be detected between two stimuli
Term
gate theory
Definition
the SUGGESTION that only a certain amount of info can be processed by the nervous system at a given time
Term
kinesthesis
Definition
the sense that provides info about the position and MOVEMENT of individual BODY parts
Term
lens
Definition
the transparent structure of the eye that focuses LIGHT on the retina
Term
monocular cues
Definition
cues for distance that need only ONE EYE to be perceived
Term
olfactory nerve
Definition
the NERVE that transmits info about ODORS from receptor neurons to the brain
Term
perception
Definition
the psychological process of organizing and INTERPRETING sensory stimulation
Term
photoreceptors
Definition
NEURONS that are sensitive to LIGHT
Term
proximity
Definition
the perceptual tendency to group together visual and auditory events that are NEAR each other
Term
pupil
Definition
the OPENING in the center of the EYE that adjusts to the amount of light entering
Term
retina
Definition
the light sensitive inner surface of the eye that CONTAINS RODS, CONES, and neurons that process visual stimuli
Term
retinal disparity
Definition
a binocular cue for perceiving depth based on the DIFFERENCE BETWEEN TWO IMAGES of an object that the retina receives as the object moves closer
Term
sensation
Definition
the stimulation of SENSORY RECEPTORS and the transmission of SENSORY info to the central nervous system
Term
sensorineural deafness
Definition
DEAFNESS that usually results from damage to the INNER EAR or to the auditory nerve
Term
sensory adaption
Definition
the process by which people become more SENSITIVE to weak stimuli and less SENSITIVE to unchanging stimuli
Term
signal detection theory
Definition
a method of DISTINGUISHING sensory stimuli that takes into account not only the strength of the stimuli but also such elements as setting and one's physical state, mood, and attitude
Term
similarity
Definition
the perceptual tendency to group together elements that SEEM ALIKE
Term
stroboscopic motion
Definition
a VISUAL ILLUSION in which the perception of MOTION is generated by the rapid progression of images or objects that are not actually moving at all
Term
vestibular sense
Definition
the SENSE that provides info about the POSITION of the body
Term
visual acuity
Definition
KEENESS OR SHARPNESS of vision
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