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Sense & Perception

Psychology

TermDefinition
Absolute Threshold weakest amount of stimulus that the average person can see half the time
Ames Room depth cues of the room are altered to distort our perceptions.
Amplitude the height of the sound wave
Astigmatism causes stimuli to look distorted as well as blurry.–It is based on the cornea, or protective covering of the eye.
Auditory Nerve receives neuronal waves from the cilia
Balance ability to remain upright and steady
Binocular fusion our brain combines the pictures into one image even though we have two eyes
Change Blindness when a change in a visual stimulus is introduced and the observer does not notice it
Cochlea a bony tube that contains fluid and cilia.
Color Blindness a color deficiency that involves a malfunction in one of the three cones
Conduction Deafness involves damage to the outer and middle ear. Treatment is the typical hearing aid
Cones are used for daytime and color vision.
Constancy perceive objects to remain the same even if their appearance changes on our retina
Difference Threshold smallest change that can be detected in a stimulus.
ESP receiving information through channels other than the normal senses(ex. clairvoyance, telepathy, psychokinesis, and precognition)
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
Figure-ground perception deals with separating an object from its background
Gate control theory relieve pain by sending other competing signals to the brain
Gestalt focus on organizing bits and pieces of information into meaningful wholes
Illusion incorrect perceptions
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
Interposition further away object is blocked by a closer object
Lens receives light after pupil and focuses it on the retina
Linear perspective parallel lines appear to converge when stretched into the distance
Loudness determined by the height of the sound wave or its amplitude
Motion Parallax speed in which objects move through our line of sight when we move gives our brain info about depth
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
Olfactory nerve relays smell-related information to the brain
Opponent process theory eye compensates for large amounts of one color by producing its opposite, explains why we see afterimages.
Perception how our brain processes this information cognitively
Pitch refers to the frequency or length of the sound wave
Preattentive process subconscious accumulation of information from the environment. Then, the brain filters and processes what is important
Psychophysics study of sensation and perception
Pupil light enters this part of the eye first
Relative height further away objects are higher on our plane of view
Retina the lens focuses light on this part of the eye
Retinal disparity when the brain compares the difference between the images produced by each of the eyes
Rods used for black and white and night vision
Sensation biological process of receiving information from the environment
SENSORINEURAL DEAFNESS damage to the cochlea or auditory neurons, treated with cochlear implant
Signal detection theory a means to measure the ability to differentiate between information-bearing patterns and random patterns that distract from the information
Sound wave vibrations of air
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
Subliminal message presented at a rate below the absolute threshold so that they are perceived unconsciously
Taste bud receptors on our tongues known as papillae that regulate taste
Timbre richness or complexity of the sound wave
Created by: nailea89326
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