What is sensation?

alexlpeart
Flashcards by alexlpeart, updated more than 1 year ago
alexlpeart
Created by alexlpeart over 7 years ago
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Sensation and Movment Flashcards on What is sensation?, created by alexlpeart on 05/06/2013.
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Give the two classes of sensory information. Extroception - senses that come from outside and don't have to be in contact with us e.g. hearing, vision, smell Introception - Sense that must be in contact with us or inside us before we can sense it e.g. touch, balance, pain, taste and blood pressure
Why when we damage a nerve do we still retain some sensation in that area? We have overlap of nerves
Why when we damage a nerve do we still retain some sensation in that area? We have overlap of nerves
What is the method of determining were something is on our skin called? Topographical mapping
What is a dermatone? An area supplied by one set of spinal nerves
Define ipsilateral and contralateral. Give what sense travel down each. Ipsilateral-where the spinal nerve crosses at the brain level, touch sensations are felt by this. Contralateral -Where the spinal nerve crosses at the spinal level, thermal and pain sensations are sent by this system.
If you damage the right side of your spinal cord, what would be affected? You lose touch on the same side i.e. right side of your body, and lose pain and temperature on the opposite side of your body i.e the left side
What is the method of distinguishing between sounds called? tonotopic mapping
Define resolution and sensitivity. Resolution -The ability to distinguish between two points. Sensitivity -Our ability to detect something is there.
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