Bell West / Sensation and Perception
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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| sensation | show 🗑
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| perception | show 🗑
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| Top-down proscessing | show 🗑
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| Bottom-up processing | show 🗑
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| psychophysics | show 🗑
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| show | The minimum stimulation needed to detect a particular stimulus 50 percent of the time
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| show | a theory predicting how and when we detect the presence of a faint stimulus amid background stimulation assumes there is no single absolute Threshold and that detection depends partly on a person's experience, expectations, motivation, and level of fatigu
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| Subliminal | show 🗑
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| Priming | show 🗑
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| show | The minimum difference between two stimuli required for detection 50 percent of the time. We experience the difference threshold as a just noticeable difference (or jnd)
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| Weber's law | show 🗑
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| show | dimished sensitivity as a consequence of constant stimulation.
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| show | conversion of one form of energy into another. In sensation, the transforming of stimulus energies, such as sights, sounds, and smell, into neural impulses our brains can interpret.
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| Wavelength | show 🗑
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| show | The dimension of color that is determined by wavelength of light; what we know as the color names blue, green and so forth.
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| Intensity | show 🗑
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| Pupil | show 🗑
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| Iris | show 🗑
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| Lens | show 🗑
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| Retina | show 🗑
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| Accommadtion | show 🗑
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| Rods | show 🗑
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| Cones | show 🗑
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| optic nerve | show 🗑
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| show | The point at which the optic nerve leaves the eye, creating a "blind" spot because no receptor cells are located there.
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| Fovea | show 🗑
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| Feature Detectors | show 🗑
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| show | The processing of many aspects of a problem simultaneously; the brain's natural mode of information processing for many functions, including vision. Contrasts with the step-by-step (serial) processing of most computers and of conscious problem solving.
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| Young-Helmholtz trichromatic (three-color) theory | show 🗑
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| show | The theory that opposing retinal processes (red-green, yellow-blue, white-black) enable color vision. For example, some cells are stimulated by green and inhibited by red; others are stimulated by red and inhibited by green.
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| show | The senseor act of hearing
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| show | The number of complete wavelengths that pass a point in a given time (for example, per second)
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| Pitch | show 🗑
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| show | The chamber between the eardrum and the cochlea containing three tiny bones (hammer, anvil, and stirrup) that concentrate the vibrations of the eardrum on the cochlea's oval window.
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| show | A coil, bony, fluid-filled tube in the inner ear through which waves trigger nerve impluses.
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| Inner ear | show 🗑
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| show | in hearing, the theory that links the pitch we hear with the place where the cochlea's membrane is stimulated.
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| Frequency theory | show 🗑
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| Conduction hearing loss | show 🗑
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| Sensorineural hearing loss | show 🗑
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| show | A device for converting sounds into electrical signals and stimulating the auditory nerve through electrodes threaded into the cochlea.
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| show | The system for sensing the position and movement of individual body parts.
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| show | The sense of body movement and position, including the sense of balance.
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| show | The theory that the spinal cord contains a neurological "gate" that blocks pain signals or allows them to pass on to the brain. The "gate" is opened by the activity of pain signals traveling up small nerve fibers and is closed by activity in larger fibers
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| Sensory interaction | show 🗑
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| show | An organized whole. Gesalt psychologists emphasized our tendency to integrate pieces of information into meaningful wholes
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| Figure-ground | show 🗑
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| Grouping | show 🗑
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| show | The ability to see objects in three dimensions although the images that strike the retina are two-dimensional; allows us to judge distance.
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| Visual cliff | show 🗑
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| show | depth cues, such as retinal disparity, that depend on the use of two eyes.
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| Retinal disparity | show 🗑
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| show | Depth cues, such as interposition and linear perspective, available to either eye alone.
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| Phi Phenomenon | show 🗑
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| Perceptual constancy | show 🗑
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| show | Perceiving familiar objects as having consistent color, even if changing illumination alters the wavelengths reflected by the object.
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| Perceptual Adaptation | show 🗑
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| Perceptual set | show 🗑
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| Human factors psychology | show 🗑
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| show | The controversial claim that perception can occur apart from sensory input; includes telepathy, clairvoyance, and precognition.
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| Parasychology | show 🗑
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