This study established a normal middle ear resonance estimated from sweep frequency tympanometry, established normal equivalent ear canal volume, static acoustic admittance, and tympanometric peak pressure at 226 hertz in 90 children with normal hearing and 68 children with deafness, ages 6-15. No significant intergroup or age differences were…

Auditory filter widths for six groups of subjects, adults and children, were tested with fixed signal level (psychophysical tuning curve procedure) and fixed masker (notched noise procedure). Found that auditory filter widths from ages six to adult were not significantly different, and auditory deficits that appear as a function of age likely…

This study examined whether a divided-attention, sentence recall task was more sensitive to distortion of the speech signal than a conventional focused-attention task with 18 normal hearing listeners. The study concluded that the simultaneous-sentence test, in its present form, is not more sensitive to the effects of peak clipping than is a…

Purpose: To examine age-related differences in auditory speech recognition and visual text recognition performance for parallel sets of stimulus materials in the auditory and visual modalities. In addition, the effects of variation in rate of presentation of stimuli in each modality were investigated in each age group. Method: A mixed-model design…

The human peripheral auditory system is fully developed at birth; however, myelination continues for several years in the higher auditory pathways. The aim of the present study was to assess the maturation course of the frequency and duration pattern tests and the middle latency response (MLR). One hundred and fifty normal participants ranging…

USING PREVIOUSLY DEVELOPED FORMS OF THE DISCRIMINATION BY IDENTIFICATION OF PICTURES (DIP) TEST AND THE THRESHOLD BY IDENTIFICATION OF PICTURES (TIP) TEST, THE INVESTIGATORS SOUGHT TO IMPROVE THE MATERIAL AND PROCEDURE AND TO STANDARDIZE THE TESTS ON NORMAL HEARING CHILDREN. BOTH TESTS REQUIRED CHILDREN TO IDENTIFY PICTURES UPON HEARING NAMES OF…

British Medical Journal, 1172 Commonwealth Avenue, Boston, Massachusetts 02134. The effectiveness of current audiometric screening programs was evaluated in Scotland with 535 infants, using both conventional hearing tests and pure-tone audiometry. (Author/DLS)

Hearing, impedance, and otoscopic examinations were performed on 30 elementary school children with Downs syndrome and 30 children without Downs syndrome matched for CA and IQ. Results indicated that the children with Downs syndrome had a significantly higher prevalence of hearing impairment and otologic disorders. (Author/CL)