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Educational audiology handbook
Educational Audiology Handbook, Third Edition, offers a roadmap for audiologists who work in schools or other providers who support school-based audiology services. As the gold standard text in the field, the handbook provides guidelines and blueprints for creating and maintaining high-quality educational audiology programs. Educational audiologists will also find guidance for achieving full integration into a school staff. Within this comprehensive and practical resource, there are a range of tools, including assessment guidelines, protocols and forms, useful information for students, families, school staff, and community partners, as well as legal and reference documents.
eBook
Foundations of aural rehabilitation : children, adults, and their family members
Thoroughly updated with three new chapters, Foundations of Aural Rehabilitation: Children, Adults, and Their Family Members, Sixth Edition introduces the fundamentals of audiologic rehabilitation and hearing-related speech-language pathology in an easy-to-read, concise resource for the field of communication sciences and disorders. The text offers creative coverage of theory, clinical practice, and research-based approaches for identifying, diagnosing, and treating hearing-related communication disorders in children and adults. The book includes case studies, and general demographic, medical, and pop-cultural trends are considered in parallel with corresponding developments in aural rehabilitation.
eBook
Hearing Loss in Adults
Half of adults in their seventh decade and 80% who are at least 85 years old have hearing loss. Understanding the auditory system and the diseases affecting each component of it allows clinicians to address the problem and refer patients to appropriate personnel.
Journal Article
Sound : a very short introduction
Sound is integral to how we experience the world, in the form of noise as well as music. But what is sound? What is the physical basis of pitch and harmony? And how are sound waves exploited in musical instruments? In this book Mike Goldsmith looks at the science of sound and explores sound in different contexts, covering the audible and inaudible, sound underground and underwater, acoustic and electric, and hearing in humans and animals. He also considers the problem of sound out of place - noise and its reduction.
Book
Prevalence of permanent childhood hearing loss detected at the universal newborn hearing screen: Systematic review and meta-analysis
Permanent childhood hearing loss (PCHL) can affect speech, language, and wider outcomes. Adverse effects are mitigated through universal newborn hearing screening (UNHS) and early intervention.
We undertook a systematic review and meta-analysis to estimate prevalence of UNHS-detected PCHL (bilateral loss ≥26 dB HL) and its variation by admission to neonatal intensive care unit (NICU). A secondary objective was to report UNHS programme performance (PROSPERO: CRD42016051267).
Multiple electronic databases were interrogated in January 2017, with further reports identified from article citations and unpublished literature (November 2017).
UNHS reports from very highly-developed (VHD) countries with relevant prevalence and performance data; no language or date restrictions.
Three reviewers independently extracted data and assessed quality.
We identified 41 eligible reports from 32 study populations (1799863 screened infants) in 6195 non-duplicate references. Pooled UNHS-detected PCHL prevalence was 1.1 per 1000 screened children (95% confidence interval [CI]: 0.9, 1.3; I2 = 89.2%). This was 6.9 times (95% CI: 3.8, 12.5) higher among those admitted to NICU. Smaller studies were significantly associated with higher prevalences (Egger's test: p = 0.02). Sensitivity and specificity ranged from 89-100% and 92-100% respectively, positive predictive values from 2-84%, with all negative predictive values 100%.
Results are generalisable to VHD countries only. Estimates and inferences were limited by available data.
In VHD countries, 1 per 1000 screened newborns require referral to clinical services for PCHL. Prevalence is higher in those admitted to NICU. Improved reporting would support further examination of screen performance and child demographics.
Journal Article
The Merits of Bilateral Application of Middle Ear Implants in Patients With Bilateral Conductive and/or Mixed Hearing Loss
This study investigated sound localization abilities in patients with bilateral conductive and/or mixed hearing loss (BCHL) when listening with either one or two middle ear implants (MEIs). Sound localization was measured by asking patients to point as quickly and accurately as possible with a head-mounted LED in the perceived sound direction. Loudspeakers, positioned around the listener within a range of +73°/−73° in the horizontal plane, were not visible to the patients. Broadband (500 Hz–20 kHz) noise bursts (150 ms), roved over a 20-dB range in 10 dB steps was presented. MEIs stimulate the ipsilateral cochlea only and therefore the localization response was not affected by crosstalk. Sound localization was better with bilateral MEIs compared with the unilateral left and unilateral right conditions. Good sound localization performance was found in the bilaterally aided hearing condition in four patients. In two patients, localization abilities equaled normal hearing performance. Interestingly, in the unaided condition, when both devices were turned off, subjects could still localize the stimuli presented at the highest sound level. Comparison with data of patients implanted bilaterally with bone-conduction devices, demonstrated that localization abilities with MEIs were superior. The measurements demonstrate that patients with BCHL, using remnant binaural cues in the unaided condition, are able to process binaural cues when listening with bilateral MEIs. We conclude that implantation with two MEIs, each stimulating only the ipsilateral cochlea, without crosstalk to the contralateral cochlea, can result in good sound localization abilities, and that this topic needs further investigation.
Journal Article