The results show that even vertebrates without outer and middle ears are capable of
detecting airborne sound.
A new study shows that they are capable of
detecting airborne sound despite not having a tympanic middle ear.
Surprisingly, the measurements showed that not only the terrestrial adult salamanders, but also the fully aquatic juvenile salamanders — and even the lungfish, which are completely maladapted to aerial hearing — were able to
detect airborne sound despite not having a tympanic middle ear.
Not exact matches
«It has not completely lost this ability to sensitively
detect ground vibrations through the jaw but has gained some of the modern mammal ability to hear
airborne sounds,» Luo adds.
For sensor cells to receive signals, he says, there must be a mechanism for transforming the large, weak
airborne sound waves into smaller but more powerful fluid - borne
sound waves that the sensor cells can
detect — a process called impedance matching.