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Jul 18 2008, 2:41 PM EDT
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Change: 10. describe the structure of the cochlea and explain how movements of the stapes against the oval window result in vibrations of the basilar membrane. 11. explain how mechanical energy is converted into nerve impulses by the organ of Corti and how pitch perception is accomplished. 12. describe
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Nov 21 2007, 1:05 AM EST
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camanda
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Change: Sensory Physiology What are senses? Sight, Smell, Hear, Taste & Touch Sensation: Feeling or awareness of a bodily state or condition. Perception: Creations of the brain; our ability to see, hear, tastes and smell.Basic Info-Sense organs are extensions of the nervous system-Our awareness
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Nov 13 2007, 9:52 PM EST
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camanda
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Change: deepth,depth, etc. -Receptors for the different senses go to different areas of the brain. WE DON'T ALWAYS CORRECTLY PERCIEVEPERCEIVE WHAT WE SENSE!!! Reality is what we precieve,perceive, but what we precieveperceive is not always reality!-In order to "feel" a sense, you need:*A Stimulus*A
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Nov 10 2007, 11:24 AM EST
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Change: There were only format changes (bold, italics, etc.) in this version. See this version for details.
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Nov 6 2007, 11:59 AM EST
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Change: Enteroceptic Interoceptor(Perceiving sense from WITHIN the body, though not usually consciously). Functional Categorizations Nocioceptors for PAIN Sparse or absent in viscera and brain Plays a protective role Continuously relays impulses to the brain Skin grafts have no pain receptors Photoreceptors for SIGHT Chemoreceptors for CHEMICALS Taste, Smell
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Nov 2 2007, 10:34 AM EDT
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Change: pointminimal distance at which you are unable to discern two separate stimuli as such. Decreases where the skin is most sensitive, where the density of receptors is closest. The Individual Senses Olfaction -Receptors not highly developed in humansFunctions closely with gustation (taste) Receptor cells are
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Nov 2 2007, 10:33 AM EDT
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Change: 70 % of amputees suffer from phantom pain.Two-Point Touch Threshold-The point at which you are unable to discern two separate stimuli as such. Decreases where the skin is most sensitive, where the density of receptors is closest. The Individual Senses Olfaction -Receptors not highly developed in humansFunctions
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Nov 2 2007, 10:27 AM EDT
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Change: Skin grafts have no pain receptors Photoreceptors for SIGHT Chemoreceptors for CHEMICALS Taste, Smell Detect changes in environment Olfaction aka Smell, these receptors are not highly developed in humans. Functions closely with gustation (taste) Gustation aka Taste Functions closely with olfaction (smell) Proprieceptors for BODY AWARENESS Gives information
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Nov 2 2007, 10:23 AM EDT
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Change: Reality is what we precieve, but what we precieve is not always reality!-In order to "feel" a sense, you need:*A Stimulus*A Receptor*A Conduction to the brain (carried all the way through)*An interpretation of the impulseSensory ReceptorsCan be Exteroceptic (Perceiving sense
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Nov 2 2007, 10:15 AM EDT
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Change: 11. The organ of hearing in the inner ear where nerve impulses are generated in response to sounds waves is the:a. Semicircular canalsb. Cochleac. Utricled. Sacculee. the lobe12. Messissners corpussles are..a. Bundles nerve endingsb. Sensitive to light touchc. Phasicd.
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Nov 2 2007, 7:27 AM EDT
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Change: activeactivate at 2nd messenger…there can be many (up to 50) g-proteins. They will greatly amplify a signal. Sets off a chain reaction. Pathway for Olfactory Sensation Olfactory nerve fibers, cribform plate of ethmoid bone. Olfactory receptor cells. Supporting columnar epithelial cells Olfactory hairs.Taste (Gustation)-salt and
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Nov 2 2007, 7:26 AM EDT
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Change: 2-1110-11 on page 269 cyclic campAMPThe 2nd messenger opens ion channels it isn’t restricted to the nervous system. You must active at 2nd messenger…there can be many (up to 50) g-proteins. They will greatly amplify a signal. Sets off a chain reaction. Pathway for Olfactory
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Oct 29 2007, 5:29 PM EDT
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Change: therefor,therefore, sensitivity to lighlight is low and vision is poor. A gradual increase in photoreceptor sensitivity, known as dark adaption thethen occurs, reaching maximal sensitivity in about 20 minutes. The increased sensitivity to low
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Oct 29 2007, 5:24 PM EDT
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Change: receptors-receptors-yummyTaste hair, taste bud, Gustatory (taste)cell, supporting cell, sensory nerve fiber are the anatomy involved in taste. Pathway involves 2 nerves Facial and Glossopharyngeal nervesOlfaction-cAMP is the 2ndary messenger that amplifies smell.Hearing Equilibrium and Hearing-vibrations in the ear. Waves
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Oct 29 2007, 5:17 PM EDT
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Change: thethat is letting the Na+ or H+ in. (Using Lime and salt after tequila) Can make taste sensations less intense. Depolarizes and neurotransmitter is released at it’s dendrite.Sweet receptors- (binds to membrane receptor, second messenger)Sour receptors- (H+ through ion channel)Salty receptors- (Na+ through ion channel)Bitter
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Oct 29 2007, 5:15 PM EDT
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Change: Olfactory receptor to olfactory nerve to olfactory bulb to olfactory tract to primary olfactory cortexTaste (Gustation)-salt and sour are directly letting Na+ (salt) or H+ (sour)ions in. The same cell type the
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Oct 29 2007, 5:12 PM EDT
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Change: -is a primal sense where it goes directly to the brain2nd messenger systems-Look at Figure 2-11 on page 269 cyclic campThe 2nd messenger opens ion channels it isn’t restricted to the nervous system. You
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Oct 29 2007, 4:55 PM EDT
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Change: There were only format changes (bold, italics, etc.) in this version. See this version for details.
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Oct 29 2007, 4:54 PM EDT
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Change: There were only format changes (bold, italics, etc.) in this version. See this version for details.
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Oct 29 2007, 4:54 PM EDT
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Change: There were only format changes (bold, italics, etc.) in this version. See this version for details.
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