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Psychology Themes and Variations 9e Chapter 4 Flashcards

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1031996635stimulationthe stimulation of sense organs0
1031996636perceptionthe selection, organization, and interpretation of sensory input1
1031996637lenstransparent eye structure that focuses the light rays falling on the retina2
1031996638nearsightednesscan see close objects but can't see far ones3
1031996639farsightednesscan see far objects but can't see close ones4
1031996640pupilhole on the center of the iris that helps regulate the amount of light coming in the eye5
1031996641retinaon the back of the eye absorbs light processes images send visual stimulus to the brain6
1031996642conesvisual receptors that play a role in daylight and color vision7
1031996643rodsvisual receptors play a key role in night vision and peripheral vision8
1031996644foveacontains only cones; vision at its best used to help focus9
1031996645dark adaptationthe process of the eye become more sensitive to light in the dark (think of the curve)10
1031996646light adaptationeyes become less sensitive to light in the bright11
1031996647receptive fieldthe retinal area that stimulated affects the firing of cells12
1031996648optic chiasmwhere the optic nerves cross in the brain13
1031996649feature detectorsneurons that respond selectively to very specific features14
1031996650subtractive color mixingremoving wave lengths of light, like mixing paint15
1031996651additive color mixingsuperimposing lights putting more light in the mixture than exists in anyone light itself16
1031996652color blindnesscomes in different forms, di or monochromats17
1031996653trichromatic theorythree different types of color receptors with different sensitivities to different wave lengths18
1031996654complementary colorswhen additively mixed creates gray/white19
1031996655afterimageimage that continues to exists even after the stimulus is removed20
1031996656opponent process theoryfour receptors, rejects trichromatic21
1031996657reversible figurean image that can be seen as two different things, rabbit or duck22
1031996658perceptual setready to see things a certain way23
1031996659inattentional blindnessmissing seeing something just because one is so focused on something else24
1031996660feature analysisdetecting elements in visual input and assembling them into something complex25
1031996661bottom-up processingprogression of individual elements to a whole26
1031996662top down processinga progression from the whole to the elements27
1031996663phi phenomenonthe illusion of movement via lots of pictures in rapid succession ie. tv28
1031996664proximitythings that are near each other just because they are near (rows of dots)29
1031996665closurepeople will complete figures to see something known (circle and cat)30
1031996666similarityelements that are similar to be grouped together (the number 2)31
1031996667Simplicityorganize elements in the most simple way possible (rectangle and square)32
1031996668continuitysee things in a smooth continuation33
1031996669perceptual hypothesiscan see something two ways because there is not enough information to process just one, but people will see one if they are told one way or the other34
1031996670depth perceptioninterpretation of visual clues to understand how near and far objects are35
1031996671binocular deptha view created using two eyes36
1031996672retinal disparityright and left see slightly differently to give information about distance pencil test37
1031996673monocular depth cuesclues about distance based on the image in either eye alone like something moving towards you38
1031996674pictorial depth cuesdistance that can be understood in a flat picture39
1031996675linear perspectiveparallel lines that run into a vanishing point40
1031996676texture gradienttexture become less as further distances41
1031996677interpositionoverlapping objects42
1031996678relative sizeobjects that are the same size the one that is larger is closer43
1031996679height in planenear objects are low distant ones are high44
1031996680light and shadowcreate dimensions using patterns of light and shadow45
1031996681perceptual constancybeing able to experience stable perception in a changing image ie someone walking towards you like the two lines46
1031996682convergencefeedback from muscles in your eye ie cross eyed its very close47
1031996683cochleasnail like tunnel in the hear used for hearing48
1031996684basilar membraneruns through the cochlea has the hair cells that are the auditory receptors49
1031996685place theorydifferent places in the basilar hear different low and high tones50
1031996686frequency theorythe whole membrane vibrates at that frequency51
1031996687sensory adaptationdecline in sensitivity to prolonged stimulation (olfactory fatigue)52
1031996688olfactory systemsmell53

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