IN investigations on the extent to which objective tests can be used to obtain information on the magnitude of the effective amplification hearing aids give to a deaf user, a knowledge of the extent ...

The ear is a physically complex sense organ, especially in mammals. Because some of the ear’s structure involves bones, much of the evolution of the ear can be followed through the fossil record. The ...

She has no fever. Physical examination shows a slight swelling of the left auricle and of the temporomandibular region, and the left external auditory meatus shows an abundant purulent secretion. The ...

DR. LITTLER'S method of investigating resonance in the external auditory meatus 1 by replacing the air in the meatus by hydrogen is very interesting. The manner in which his results are to be ...