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Psychology

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Absolute Threshold   weakest amount of stimulus that the average person can see half the time  
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Ames Room   depth cues of the room are altered to distort our perceptions.  
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Amplitude   the height of the sound wave  
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Astigmatism   causes stimuli to look distorted as well as blurry.–It is based on the cornea, or protective covering of the eye.  
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Auditory Nerve   receives neuronal waves from the cilia  
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Balance   ability to remain upright and steady  
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Binocular fusion   our brain combines the pictures into one image even though we have two eyes  
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Change Blindness   when a change in a visual stimulus is introduced and the observer does not notice it  
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Cochlea   a bony tube that contains fluid and cilia.  
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Color Blindness   a color deficiency that involves a malfunction in one of the three cones  
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Conduction Deafness   involves damage to the outer and middle ear. Treatment is the typical hearing aid  
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Cones   are used for daytime and color vision.  
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Constancy   perceive objects to remain the same even if their appearance changes on our retina  
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Difference Threshold   smallest change that can be detected in a stimulus.  
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ESP   receiving information through channels other than the normal senses(ex. clairvoyance, telepathy, psychokinesis, and precognition)  
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Farsightedness   ability to see further away objects better. –It is caused when the eye is shorter than average and the image is cast behind the retina  
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Figure-ground perception   deals with separating an object from its background  
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Gate control theory   relieve pain by sending other competing signals to the brain  
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Gestalt   focus on organizing bits and pieces of information into meaningful wholes  
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Illusion   incorrect perceptions  
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Inattentional blindness   lack of attention that is not associated with vision defects or deficits, as an individual fails to perceive an unexpected stimulus in plain sight  
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Interposition   further away object is blocked by a closer object  
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Lens   receives light after pupil and focuses it on the retina  
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Linear perspective   parallel lines appear to converge when stretched into the distance  
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Loudness   determined by the height of the sound wave or its amplitude  
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Motion Parallax   speed in which objects move through our line of sight when we move gives our brain info about depth  
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Nearsightedness   ability to see closer objects better.–It is caused when the eye is longer than average and the image is cast in front of the retina  
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Olfactory nerve   relays smell-related information to the brain  
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Opponent process theory   eye compensates for large amounts of one color by producing its opposite, explains why we see afterimages.  
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Perception   how our brain processes this information cognitively  
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Pitch   refers to the frequency or length of the sound wave  
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Preattentive process   subconscious accumulation of information from the environment. Then, the brain filters and processes what is important  
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Psychophysics   study of sensation and perception  
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Pupil   light enters this part of the eye first  
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Relative height   further away objects are higher on our plane of view  
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Retina   the lens focuses light on this part of the eye  
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Retinal disparity   when the brain compares the difference between the images produced by each of the eyes  
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Rods   used for black and white and night vision  
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Sensation   biological process of receiving information from the environment  
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SENSORINEURAL DEAFNESS   damage to the cochlea or auditory neurons, treated with cochlear implant  
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Signal detection theory   a means to measure the ability to differentiate between information-bearing patterns and random patterns that distract from the information  
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Sound wave   vibrations of air  
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Stroop effect   a demonstration of interference in the reaction time of a task. When the name of a color is printed in a color which is not denoted by the name, naming the color of the word takes longer  
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Subliminal message   presented at a rate below the absolute threshold so that they are perceived unconsciously  
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Taste bud   receptors on our tongues known as papillae that regulate taste  
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Timbre   richness or complexity of the sound wave  
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