WL 4-21-11 sensory mechno and chemical

WL 4-21-11 sensory mechno and chemical - Chapter 13:...

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Chapter 13: Sensory processes Chapter 13: Sensory processes 4-21-11 Lecture: 4-21-11 Lecture: 1. Mechanical sensation --vestibular and auditory systems Knowledge of the surrounding environment comes from sensory processes.
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How do hair cells transduce mechano-stimulation? depolarize Re-polarize hyperpolarize
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Anatomy of the mammalian ear
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Mammalian inner ear The inner ear houses both the vestibular and auditory organs
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Hair cells in a semicircular canal of the vestibular system
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Sound detection in the cochlea Sound waves vibrates the basilar membrane stimulate hair cells
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Sound detection in the cochlea
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Sounds waves displace the basilar membrane, bending of the hair bundles of hair cells. Movement of the basilar membrane bends hair cells against the overlying tectorial membrane Receptor potential of hair cells Sound transduction AP generation in afferent nerve Sound perception in CNS Synaptic transmission Auditory nerve
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Chapter 13: Sensory processes Chapter 13: Sensory processes 4-21-11 Lecture: 4-21-11 Lecture: 2. Chemical senses taste smell
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Responses of a blowfly contact chemoreceptor sensillum to different stimulatory solutions Receptor potential
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WL 4-21-11 sensory mechno and chemical - Chapter 13:...

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