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25 Cards in this Set
- Front
- Back
Bekesy
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Empirical studies led to traveling wave theory of pitch perception which, at least partially, supported Helmholtz's place resonance theory
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Berkeley, G
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Developed depth cues that help us to perceive depth
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Broadbent
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Proposed filter theory of attention
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Filter theory of attention
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Broadbent, probably not a correct theory, thought that attention is all or nothing; if we attend to something we don't attend to anything else.
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Place resonance theory
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Helmholtz's theory that the part of the frequency of the sound determines what part of the basilar membrane vibrates
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frequency theory
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The basilar membrane vibrates as a whole and it's the rate of vibration that reflects the frequency of the sound.
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Fechner's Law
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Fechner's Law- expresses the relationship between the intensity of the stimulus and the intensity of the sensation. sensation increases more slowly as intensity increases
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Steven's Power law
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sensation to intensity law. suggested Fechner was incorrect
Weber= 1 to 1 Fechner = .5 to 1 Stevens= prob something exponential |
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Gibson E. and Walk, R.
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Visual cliff to study depth perception
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Gibson, J
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Studied depth cues especially texture gradients that help us to perceive depth
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Helmholtz, H.
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Young-helmholtz trichomatic theory of color vision; also place theory of pitch perception
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Hering, E.
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Developed opponent process theory of color vision- red-green, blue-yellow, black-white
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Hubel and Wiesel
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Studied feature detection in visual cortex and discovered simple (orientation and boundaries), complex(movement), and hypercomplex(object shape) cells. Revoltionary that 1 type of cell detects one feature of an object
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Interposition, relative size, Linear perspective
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Depth perception cues found by Berkeley- Overlapping obeject seems closer, smaller objects are farther from seer, convergence of parallel lines to percieve depth
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Kohler, W.
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Developed theory of isomorphism- there is an exact replication of the objects in the visual field in the brain
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Weber, E.
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Just noticeable difference- point at which you can see, hear 2 stimuli are different
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Melzack and Wall
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Proposed gate theory of pain- special gating system to turn pain on and off
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Phi Phenomenon
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Wertheimer- cause him to come up with gestalt psychology- when two lights flicker in proximity, the brain perceives it as one moving light
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Sir Francis Galton
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looked at 10,000 people's different sensory abilities
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Signal detection theory
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there are certain response biases that also effect how someone performs in sensory tests. Like how sure they need to be before responding
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John Swets
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ROC for signal detection theory
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Visual brain centers
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Superior colliculus, occipital lobe, lateral geniculate nucleus of the thalamus
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Wever E. and Bray C
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Proposed volley theory of pitch perception in response to criticism of the frequency theory of pitch perception
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Yerkes and Dodson
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Performance best at intermediate levels of arousal
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brain parts associated with the auditory system
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superior olive, inferior colliculus, medial gen nucleus of the thalamus, temporal cortex
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