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18 Cards in this Set
- Front
- Back
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4 parts of a sensory pathway? |
Receptors Sensory neurons Sensory tracts Sensory area |
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Receptors detects what? |
Changes and generates impulses |
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Sensory neurons function? |
Transmits impulses from receptors to CNS |
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Sensory tracts are what? And its function? |
White matter in CNS Transmits sensory impulses to specific part of the brain. |
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Sensory area is what? |
Most areas that feel and interpret sensations are in cerebral cortex or cerebrum. |
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Characteristics of sensations are? |
Projection Intensity Contrast Adaption After image |
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Projection sensation? |
Comes from the area where the receptors were stimulated (touch). |
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Phantom pain |
Pain from a missing limb. Under projection sensation. |
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Intensity sensation |
Some sensations felt more strongly than others. |
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Contrast sensation |
The effect of a current sensation may be exaggerated when the brain compares it with a previous sensation. |
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Adaption sensation |
A stimulus still present, but we become aware of it. |
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After-image |
The stimulus stops, but we remain aware of the sensation. |
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Cutaneous senses receptors are found in? |
The dermis of the skin |
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Cutaneous sense receptors are what? And found where? |
Free nerve endings. Found in parietal lobes. |
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Receptors for free nerve endings? |
Pain Heat Cold |
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Encapsulated nerve endings receptors are? |
Pressure Touch |
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Cutaneous senses provide information about what? |
External environment |
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Referred pain? |
Pain that originates in an internal organ is felt in a cutaneous area. Ex) MI is felt in left arm, shoulder. |
