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RSS FeedsThe Auditory Mechanics of the Outer Ear of the Bush Cricket: A Numerical Approach (Biophysical Journal)

 
 

21 january 2020 22:00:19

 
The Auditory Mechanics of the Outer Ear of the Bush Cricket: A Numerical Approach (Biophysical Journal)
 


Bush crickets have tympanal ears located in the forelegs. Their ears are elaborate, as they have outer-, middle-, and inner-ear components. The outer ear comprises an air-filled tube derived from the respiratory trachea, the acoustic trachea (AT), which transfers sound from the mesothoracic acoustic spiracle to the internal side of the ear drums in the legs. A key feature of the AT is its capacity to reduce the velocity of sound propagation and alter the acoustic driving forces of the tympanum (the ear drum), producing differences in sound pressure and time between the left and right sides, therefore aiding the directional hearing of the animal.


 
145 viewsCategory: Biophysics
 
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