The ear can detect a time difference as slight as 30 microseconds and smaller differences ... The measurements were made on a 5x scale model and reduced to human pinnae size (after Batteau and Plante, ...

The pinnae of mice and rats are generally large enough to punch/notch after 2 weeks of age. Figure 2: (a) Ear punching/notching is a semi-permanent to permanent rodent identification method.

If, for instance, a sound comes from a source to the left of the head the left ear will receive the sound directly while the right ear will not receive the direct sound due to it being in the acoustic ...