| Theories about Cochlea Function |
|
|
|
|
|
|
|
|
|
|
| Frequency
Theory: (E. Rutherford 1886): |
|||||||||
| • | Basilar
membrane moves as whole |
||||||||
| (“telephone
hypothesis”) |
|||||||||
| • | Neurons
fire with same frequency as |
||||||||
| acoustic
stimulus |
|||||||||
| Place
theory: (H. von Helmholtz 1877): |
|||||||||
| • | Sites
of the BM resonate for different |
||||||||
| frequencies,
like strings of a piano |
|||||||||
