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Definition
| the study of how physical stimuli are translated into psychological experience |
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Definition
| The translation of physical properties of a stimulus into a pattern of neural activity that specifically identifies those physical properties |
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| Doctrine of specific nerve energies |
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Definition
| Stimulation of a specific nerve provides codes for that one sense, no matter how the stimulation takes place |
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Definition
| Attributes of a stimulus is coded using changes in the timing of neural firing |
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Definition
| Attributes of a stimulus is coded in terms of the location of firing neurons relative to their neighbors |
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Definition
perception of brightness
perception of loudness |
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Definition
perception of color
perception of pitch |
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mixture of wavelengths
perception of saturation, or richness of colors.
perception of timbre |
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Definition
| where light enters the eye |
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Definition
| focuses the light rays on the retina |
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| colored ring of muscle, constricts or dilates via amount of light |
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| regulates amount of light |
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Definition
| absorbs light, processes images, and sends information to the brain |
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Definition
| where the optic nerve leaves the eye/ blind spot |
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Definition
| black and white/ low light vision |
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| color and daylight vision |
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Definition
| becoming more or less sensitive to light as needed |
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| the ossicles (hammer, anvil, stirrup) |
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Definition
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Definition
detects airborne chemicals
(smell)
The only sense that does not send its messages through the thalamus |
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Definition
detects chemicals in solution that come into contact with receptors inside the mouth
(taste) |
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| Olfactory and gustatory pathways converge into the... |
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Definition
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Skin senses of touch, temperature, and pain
Kinesthesia (tells the brain where parts of the body are)
are examples of? |
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| tells the brain about the position and movement of the head |
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| sensitive to pressure, deep in the skin |
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Definition
| the Pacinian corpuscle nerves |
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| carry sharp and pricking pain sensations |
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Definition
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| carry chronic, dull aches and burning sensations |
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Definition
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Definition
| a “gate” in the spinal chord that either permits or blocks the passage of pain impulses to the brain |
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Term
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Definition
The absence of the sensation of pain in the presence of a normally painful stimulus
Natural Analgesics:
Serotonin
Endorphins |
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