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| analysis that begins with the sensory receptors and works up to the brains integration and sensory information |
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| information processing guided by higher level mental process as when we construct perceptions drawing on our experience and expectations |
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| the minimum stimulation needed to detect a particular stimulus 50% of the time |
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| a theory predicting how and when we detect the presence of a faint stimulus and background stimulus |
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| the activation, other unconsciously, of certain associations, this predisposing one's perception, memory or response |
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| below one's absolute threshold for conscious awareness |
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| the minimum difference between two stimuli required for detection 50% of the time |
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| the principle that to be perceived as different, two stimuli must differ by a constant minimum percentage. |
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| diminished sensitivity as a consequence of constant stimulation |
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| nerve cells in the brain that respond to specific features of the stimulus, such as shape, angles or movement |
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| the processing of several aspects of a problem simultaneously; the brains natural mode of information processing functions |
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| Young-Helmholtz Trichromatic Theory |
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| theory that retina contains 3 different color receptors |
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| the theory that opposing retinal processes enable color |
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| the sense or act of hearing |
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| in hearing, the theory that links the pitch we hear with place where the cochleas membrane is stimulated (high pitch) |
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| in hearing, the theory that the rate of nerve impulses traveling up the auditory nerve matches the frequency of a tone, thus enabling us to sense its pitch (low pitch) |
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| hearing loss caused by damage to the mechanical system that conducts sound waves to the cochlea |
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| Sensorineural Hearing Loss |
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Definition
| hearing loss caused by damage to the cochlea's receptor cells or to the auditory nerves |
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| the system for sensing the position and movement of individual body parts |
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| the focusing of conscious awareness on a particular stimulus |
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| failing to see visible objects when our attention is directed elsewhere |
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| the tendency for vision to dominate the other senses |
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| an organized whole, Gestalt psychologists emphasized our tendency to integrate pieces of information into meaningful wholes |
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| the organization of the visual field into objects that stand out from their surroundings |
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| the perceptual tendency to organize stimuli into coherent groups |
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| the ability to see objects in three dimensions although the images that strike the retina are two dimensional |
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| a laboratory device for testing depth perception in infants and young animals |
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| depth cues, depend on the use of two eyes |
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| a binocular cue for perceiving depth, when eyes compare two objects |
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| a binocular cue for perceiving depth, when eyes go inward |
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| depth cues, such as interposition and linear perspective, available to either eye alone |
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| an illusion of movement created when two or more adjacent lights blink on and off in quick succession |
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| perceiving objects as unchanging, even as illumination an retinal images change |
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| in vision, the ability to adjust to an artificially displaced or even inverted visual field |
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| a mental predisposition to perceive one thing and not another |
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| a branch of psychology that explores how people and machines interact and how machines and physical environment can be made safe and easy to use |
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