Journal of Communication Disorders, Deaf Studies & Hearing Aids
Open Access

The implication of peripheral hearing loss on temporal auditory processing in children

International Conference and Expo on Audiology and Hearing Devices

August 17-18, 2015 Birmingham, UK

Shalaby A1, Shabana M2, Dabbous A2 and Emara A3

Posters-Accepted Abstracts: Commun Disord Deaf Stud Hearing Aids

Abstract :

Background: This study included 2 groups: a study group of 60 children with mild to moderate sensorineural hearing loss (SNHL);
and a control group of 30 normal hearing children. The children’s age ranged from 6-12 years.
Objective & Methods: To study temporal auditory processing abilities in SNHL children using behavioural [Auditory fusion test (AFT);
Duration pattern test (DPT); Pitch pattern sequence test (PPST); time compressed sentence test (TCST)] and electrophysiological
measure [Mismatch negativity (MMN)]. And to study whether there is a correlation, if any, between results of behavioural tests and
MMN in assessment of temporal auditory processing.
Results: The SNHL subgroups showed statistically significant lower scores in AFT, TCST, DPT and PPST as well as longer MMN
latency than their controls. Age had significant effecton temporal auditory processing tests results and on MMN parameters but
gender and aetiology of SNHL had no effect. There was no statistically significant correlation between results of behavioural tests and
MMN in normal as well as SNHL children.
Conclusion: Sensorineural hearing loss affects temporal auditory processing abilities reflected on both behavioural &
electrophysiological test results. Age showed maturational effect on behavioural tests in all subjects, but this effect was not reflected
on the MMN results of the controls, despite of the significant effect of SNHL on MMN parameters. There was no correlation between
behavioural & electrophysiological test results.