background and aim: the double dichotic digit test (ddt) is a simple test for assessing and screening auditory processing system. the purpose of this study was to develope a double ddt, in persian language and find its basic norm values in girls aged 7 to 11 years. methods: the persian version of double ddt is composed of 3 different 25 numerical lists. numbers in each list were recorded dichot...

Cherry (1953) reported that when listeners were presented with dichotic signal over headphones, they could reliably report words presented to the attended ear, while only being aware of the gross properties of the talker in the unattended ear. More recently, Gallun et al. (2007) showed that there were large differences in performance on dichotic tasks depending on ear of presentation, with sign...

The aim of the present study was to investigate the effect of ear asymmetry, order of testing, and gender on transient-evoked otoacoustic emission (TEOAE) pass rates and response levels in newborn hearing screening. The screening results of 879 newborns, of whom 387 (study group) passed screening successfully in only one ear in the first TEOAE screening, but passed screening successfully in bot...