Term
| Seeing orange when hearing a low tone; seeing the color green when eating butter |
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| methods that meausure the strength of a stimulus and the observer's sensitivity to that stimulus |
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| the minimal intensity needed to just barely detect a stimulus |
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| the minimal change in a stimulus that can just barely be detected |
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Definition
| just noticeable difference (JND) |
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Term
| the just noticeable difference of a stimulus is a constant proportion despite variations in intensity |
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Term
An approach to psychophysics that holds the response to a stimulus depends both on a person's sensitivity to the stimulus in the presence of noise and on a person's decision criterion
(Hit, Miss, False Alarm, Correct Rejection) |
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| light-sensitive tissue lining the back of the eyeball |
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| Photoreceptors that detect color, operate under normal daylight conditions, and allow us to focus on fine detail |
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| Photoreceptors that become active under low-light conditions for night vision |
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| the region of the sensory surface that, when stimulated, causes a change in the firing rate of that neuron |
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| a location in the visual field that produces no sensation on the retina because the corresponding area of the retina contains neither rods nor cones and therefore has no mechanism to sense light |
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| an area of the retina where vision is the clearest and there are no rods at all |
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| the idea that focused attention is not required to detect the individual features that comprise a stimulus but is required to bind those individual features together |
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Definition
| feature integration theory |
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| a portion of the temporal lobe that contains the primary auditory cortex |
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| representation of touch in the brain is |
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| corresponds to our perception of pitch (Hz) |
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| corresponds to our perception of loudness (dBs) |
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| corresponds to our perception of sound quality |
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| a fluid-fulled tube that is the organ of auditory transduction |
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| a structure in the inner ear that undulates when vibrations from the ossicles reach the cochlear fluid |
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| the mechanism by which the cochela registers low frequencies via the firing rate of action potentials entering the auditory nerve |
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| the mechanism by which the cochela encodes different frequencies at differnt locations along the basilar membrane |
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| a theory of pain perception based on the idea that signals arriving from pain receptors in the body can be stopped by interneurons in the spinal cord via feedback from two directions |
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