Samenvatting Audiologie 1: Audiologie van het oor
Samenvatting van de lessen en de cursus
Gedeelte omtrent het binnenoor niet aangezien de te leren inhoud via vragen zijn meegedeeld door de lector.
, Contents
Het buitenoor.................................................................................................................................................................... 2
Anatomie van het buitenoor......................................................................................................................................... 2
Oorschelp .................................................................................................................................................................. 2
Uitwendige gehoorgang ............................................................................................................................................ 3
Functies van het buitenoor ........................................................................................................................................... 4
Akoestische transformaties in het buitenoor ............................................................................................................... 4
1. Schaduw van de oorschelp ............................................................................................................................... 4
2. Reflecties in de oorschelp ................................................................................................................................. 5
Toepassing interferentie na reflectie: paraboolmicrofoon ...................................................................................... 5
3. Staande golven in de gehoorgang..................................................................................................................... 6
Gehoorgang = 2,5 cm ................................................................................................................................................ 6
Resonantiefrequentie van de gehoorgang ............................................................................................................... 6
Het middenoor .................................................................................................................................................................. 7
Anatomie van het middenoor ....................................................................................................................................... 7
Trommelvlies............................................................................................................................................................. 8
Gehoorbeentjesketen ............................................................................................................................................... 8
Ovale en ronde venster ............................................................................................................................................. 8
Buis van Eustachius ................................................................................................................................................... 9
Functie van het middenoor ........................................................................................................................................... 9
Werking van het middenoor ..................................................................................................................................... 9
Middenoorpathologieën ............................................................................................................................................. 12
Tubaire obstructie (= buis van eustachius die niet goed functioneert) .................................................................. 12
Otitis Media met Effusie (= middenoor ontsteking met vocht in het oor) ............................................................. 13
Onderbreking van de gehoorbeentjesketen ........................................................................................................... 13
Het binnenoor ................................................................................................................................................................. 14
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