A study of the hearing acuity of 37 extensively paralyzed poliomyelitis patients assessed by pure tone and speech audiometry was reported in a preliminary study.1 Deviation from normal threshold of audibility was found for both air and bone conduction pure tones and for speech hearing, tested by spondaic words. Almost all audiograms for this group showed a mild depression of sensitivity for the lower and middle frequencies, rising to near normal at 4,000 and 8,000 cps on the chart. A review of the