Abstract
This paper presents a review of the major technological contributions in the field of universal neonatal hearing screening, during the last decade. Dedicated sections include references to the following : 1) the role of automated auditory brainstem responses (AABR) in screening; 2) the potential role of Auditory Steady State responses (ASSR) as a substitute of AABR; 3) the assessment of hearing threshold via recordings of distortion product otoacoustic emissions and the limitations of the clinical protocols to a hearing level < than 35dB HL; 4) the integration of multiple assessment protocols in one portable device, to be used in the intervention part of the hearing screening programme.
Highlights
Otoacoustic emissions (OAEs) or cochlear echoes is a term coined by David Kemp in 1978 [1], describing the transient responses from the inner ear, upon its stimulation by an acoustic click stimulus
The most significant contribution of OAEs is in the area of universal neonatal hearing screening (UNHS)
Numerous new challenges have appeared in the Universal Neonatal Hearing Screening (UNHS) arena, such as (i) the need to validate the automated OAE/auditory brainstem response (ABR) screeners; (ii) the need to qualify the responses from the automated devices; (iii) the need to obtain additional information for the subject under assessment, in a short period of time; and (iv) the need to integrate numerous measurements in a single portable automated device
Summary
Otoacoustic emissions (OAEs) or cochlear echoes is a term coined by David Kemp in 1978 [1], describing the transient responses from the inner ear, upon its stimulation by an acoustic click stimulus. Numerous new challenges have appeared in the UNHS arena, such as (i) the need to validate the automated OAE/ABR screeners; (ii) the need to qualify the responses from the automated devices; (iii) the need to obtain additional information (i.e., hearing threshold) for the subject under assessment, in a short period of time; and (iv) the need to integrate numerous measurements in a single portable automated device. To respond to these clinical demands, several new methodologies have been introduced to the UNHS clinical practice. The aim of this chapter is to provide information on these new technological trends
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