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21 Cards in this Set
- Front
- Back
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What is the receptor for hearing?
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Hair cells of the basilar membrane.
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Where does info from the ear receptor travel?
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From the hair cells on the basilar membrane to the auditory nerve and to the primary auditory cortex.
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What is the receptor for taste?
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Papillae found in the taste buds on the tongue.
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Where does info from the tongue receptor travel?
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It takes the 7th 9th and 10th cranial nerves to the tractus solitarius (medulla). Then to the pons, lateral hypothalamus, amygdala, thalamus, insula (cortex) -> to determine flavor or the somatosensory cortex -> to determine pressure.
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What is the receptor for smell?
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Cilia in the mucosa.
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Where does info from the olfactory receptor travel?
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Cilia -> olfactory bulb -> cortex.
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What is the receptor for body position?
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5 semi-circular canals (half-filled with jelly), like carpenter's levels.
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Where does info from the vestiublar system travel?
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Travels through part of the eighth cranial nerve to the brainstem and cerebellum.
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What are the receptors for touch?
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Raffini, Meissner's, Pacinian
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Where does info from the touch receptors travel?
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Info coming from the head travels through the cranial nerves. Info coming from the body travels through the spinal cord.
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What is unique about hearing?
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The tonotopic map.
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What is unique about taste?
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It is ipsilateral.
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What is unique about smell?
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Cortical design is identical across people. We all smell the same.
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What is unique about touch?
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Pain is a sensation, hurt is an emotion.
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What is unique about vision?
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Retinotopic map.
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What food has no taste?
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Chocolate.
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What type of food is a favorite, and why?
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Fats, they stimulate the mechanoreceptors in the tongue.
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What two modalities create the sensation of flavor?
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Taste and smell.
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How many channels does pain have to the brain? Where?
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One, at the top of the spinal cord.
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What blocks pain?
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Endorphins.
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How does accupuncture work to relieve chronic pain?
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Since the brain attends to new pain over old pain, the new slight pain from accupuncture temporarily relieves chronic pain.
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