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AP Pyschology unit 3 Flashcards

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7748671744feature detectorsnerve cells in brain, respond to specific features of stimulus shape,angle, or movement0
7748680745accommodationprocess where eye's lens change shape to focus near or far objects on the retina; focus rays by changing curvature1
7748694387color constancyex. color with yellow sticker; black and blue dress2
7748698821cochleainner ear; coiled fluid filled tube; sound waves trigger nerve impulse in cochlea; when fluid moves through bends hair cells to trigger neural impulse3
7748712848middle earamplifies; eardrum; transmits to cochlea three bones: hammer,anvil, stirrup4
7748726823frequencynum. of complete wavelengths that pass point at given time5
7748733644pitchtones experienced highness or lowness; depends on frequency6
7748738514auditionthe sense or act of hearing7
7748741191after imagespicture is no longer in front of you, but still see the image8
7748765620opponent process theoryopposing retinal processes enable color vision9
7748770597color blindnesscolor deficent; lack functioning red or green sensitive cones10
7748779683young- helmholtz trichromatic theorywe have 3 diff types of receptor cells in our eyes; all colors we see are combo of red, blue, and green11
7748788807parallel processingprocessing of many aspects of a problem simultaneuously color, motion, form,depth12
7748814732fovearetinas area of central focus, around which the eyes cones cluster13
7748820955blind spotoptic nerve leaves the eye, no receptor cells14
7748829484optic nervenerve that carries neural impulse from eye to brain; thalamus stands ready to distribute info15
7748837414conesdetect fine details and color sensations, daylight and well lit conditions16
7748848322rodsretinal receptors detect black, white and gray; peripheral and twilight vision when cones don't respond; part of retina17
7748861414retinalight sensitive inner surface of eye; contains receptor rods and cones18
7748868343lensbehind pupil; changes shape to help focus images on retina19
7748875118irissurrounds pupil; controls size; colored portion of eye20
7748880834pupilsmall adjustable opening in center of eye; light enters21
7748887317intensityamnt. of energy in light or sound waves ( determined by waves amplitude or height); ifluences brightness22
7748903506huedimension of color; determined by wavelength23
7748911873wavelengthdistance from peak of one light or sound wave to peak of next; determines its hue24
7748925908perceptual constancyperceiving objects as unchanging even as the retina images change shape, brightness, size, color25
7748979902stroboscopic motionbrain perceives movement in a rapid series of slightly varying images; animation26
7748989087phi phenomenonilluson of movement caused by lights flashing in succession27
7748997121monocular cuesdistance cues that can be processed using only one eye28
7749006355retinal disparitycomparing images from retinas in both eyes, brain determines distance; holding fingers in front of face29
7749028836perceptual adaptationvisual ability to adjust to artifically displaced visual field30
7749043405binocular cuesuse both eyes to determine depth31
7749052753visual clifflab test for testing depth perception in infants32
7749063091depth perceptionability to see objects in 3D even though images striking our retinas are 2D33
7749072825groupingtendency to organize stimuli into groups that we understand connectedness, similarity, continuity, closure34
7749888294figure ground relationshiporganization of visual field into objects (figures); stand out from their surroudings (ground)35
7749905954sensorineural hearing lossdamage to cochleas receptor cells; or auditory nerve; once they die won't be replaced36
7749919715conduction hearing lossdamage to mechanical system that conducts sound; can be fixed37
7749925870gestaltform, whole; emphazie tendency to intergrate pieces of info into meaning; visual organization; how our mind sees and thinks puts figures together38
7749945956perceptual setmental predisposition to perceive one thing, not another39
7749956687sensory adaptationdecline in sensitivity to a constant stimulus; febreeze commercials40
7749962503webers lawto be perceived as different; two stimuli must differ by constant minimum percentage41
7749979067difference thresholdjust noticable difference; minimul difference a person can detect between two stimuli42
7749985658primingpredisposing ones perception, memory or response; playing german music in alcohol store more people bought german wine43
7750001232subliminalbelow absolute threshold; where you detect stimulus in time; hearing test44
7750010530frequency theoryrate of nerve impulses traveling up auditory nerve45
7750024052place theorydiff. sound waves trigger diff places on cochlea; high freq= near base low= near apex46
7750037394cochlear implantdeals with sensorineural hearing loss; help deaf people hear47

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