Sensory Physiology (Kurs)

Der Kurs

Kurs zur Vorlesung "Sensory Physiology" von Prof. Dr. Gunnar Jeserich an der Uni Osnabrück. Zur Vorbereitung: Strukturierte Version des Skripts

Die 8 Lektionen

1. 1
   

   Basic Principles (5 Karten)

   Tonic receptors: - Fire continuosly throughout stimulation - Increasing frequency at higher stimulus intensity - -> Proportional transducers, Phasic receptors: - Often active only during onset or offset of stimulus - More sensitive for changes in stimulus intensity, Phasic-tonic receptors: - ...

    
2. 2
   

   Visual Perception (38 Karten)

   Far accomodation of the lens: When the ring muscle relaxes the lens becomes stretched by the ciliary fibers the flattened shape of the lens drives the focus on objects which are far away., Near accomodation of the lens: Contraction of the ring muscle leads to relaxation of the ciliary fibers, thus ...

    
3. 3
   

   Visual Processing (23 Karten)

   The separation of stimuli at the chiasm: - Stimuli from the inner (nasal) half of the visual field -> outer (temporal) half of retina -> ipsilateral fibers - Stimuli from the outer (temporal) half of the visual field -> inner (nasal) half of retina -> contralateral fibers, The lateral geniculate ...

    
4. 4
   

   Hearing (43 Karten)

   First stages of the auditory pathway: Sound wave moves tympanic membrane -> ossicles -> membrane at oval window -> fluid in the cochlea -> sensory neurons -> travels back through the Scala tympani and leaves the cochlea through the round window, Signal amplification in the middle ear: - Signal ...

    
5. 5
   

   Sense of Balance (12 Karten)

   Semicircular ducts: Structure: - Three tubes filled with endolymph fluid - Arranged perpendicular to each other - At the base each duct is widened into an ampulla, Semicircular ducts: Ampulla: In the wall of the ampullae there is a patch of sensory hair cells, Semicircular ducts: Cupula: Gelatinous ...

    
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