International Journal of Audiology

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  1. Analysis of measurements from the first Swedish universal neonatal hearing screening program.

    International Journal of Audiology 46(11):680 (2007) PMID 17978950

    This study analyses results from the first Swedish UNHS program. It includes over 33 000 measurement files from 14 287 children at two maternity wards. The screening program uses a two-stage TEOAE test procedure. A database was created in MedLog after data transformation in Word and Excel. The c...
  2. Call for calibration standard for newborn screening using auditory brainstem responses.

    International Journal of Audiology 46(11):686 (2007) PMID 17978951

    The mode of stimulation employed in newborn screening of the auditory brainstem response has evolved from the clinically standardized supraaural earphone to the tubal insert earphone, to most recently a circumaural earphone developed for this test. Considered here is the need to develop a standa...
  3. High frequency immittance findings: newborn versus six-week-old infants.

    International Journal of Audiology 46(11):711 (2007) PMID 17978953

    This study aimed to compare the high frequency (1 kHz) tympanometry (HFT) and acoustic reflex (AR) measures obtained from infants at birth and at 6-7 weeks of age. HFT results and AR thresholds using a 2-kHz tone and broadband noise activators were obtained from 42 healthy full-term neonates (15...
  4. Meta-analysis of variables that affect accuracy of threshold estimation via measurement of the auditory steady-state response (ASSR).

    International Journal of Audiology 46(11):692 (2007) PMID 17978952

    Reported are the results of meta-analyses of data derived collectively from a sample of 56 published research studies on electric response audiometry (ERA) using auditory steady-state responses (ASSRs). Several specific methodological issues were examined and hypotheses were posited to rigorousl...
  5. Characteristics of normal newborn transient-evoked otoacoustic emissions: ear asymmetries and sex effects.

    International Journal of Audiology 46(11):661 (2007) PMID 17978948

    Transient-evoked otoacoustic emissions (TEOAEs) were recorded from more than 30000 newborns over a six year period. Analysis was performed on all the TEOAEs that passed the bedside universal hearing screen (n=60431), in order to characterize the normal properties of neonatal TEOAEs and to study ...
  6. Transient evoked otoacoustic emission input-output function variation in a large sample of neonates and implications for hearing screening.

    International Journal of Audiology 46(11):670 (2007) PMID 17978949

    We performed a retrospective analysis of TEOAEs from 1415 neonatal ears to investigate whether the application of linear averaging techniques may provide greater screening specificity than conventional nonlinear averaging techniques. Pass criteria were based on correlations between replicate ave...
  7. The effects of training format on earplug performance.

    International Journal of Audiology 46(10):609 (2007) PMID 17922350

    This experiment investigated the effect of small-group versus individual hearing loss prevention (HLP) training on the attenuation performance of passive insert-type hearing protection devices (HPDs). A subject-fit (SF) methodology, which gave naive listeners access only to the instructions prin...
  8. Repeatability of the TEN(HL) test for detecting cochlear dead regions.

    International Journal of Audiology 46(10):575 (2007) PMID 17922347

    The aim of this study was to investigate the short-term test-retest repeatability of the TEN(HL) test. Participants comprised 15 teenagers (mean age 14 years) with long-standing severe-to-profound hearing impairment, and 20 adults (mean age 74 years) with moderate-to-severe hearing impairment. T...
  9. Effect of low-frequency gain and venting effects on the benefit derived from directionality and noise reduction in hearing aids.

    International Journal of Audiology 46(10):554 (2007) PMID 17922345

    When the frequency range over which vent-transmitted sound dominates amplification increases, the potential benefit from directional microphones and noise reduction decreases. Fitted with clinically appropriate vent sizes, 23 aided listeners with varying low-frequency hearing thresholds evaluate...
  10. A model of the occlusion effect with bone-conducted stimulation.

    International Journal of Audiology 46(10):595 (2007) PMID 17922349

    An acoustical model using simplified ear anatomy was designed to predict the ear-canal sound pressure occlusion effect in humans. These predictions were compared perceptually as well as with ear-canal sound pressure occlusion effect measurements using a foam earplug with shallow insertion, a foa...
  11. Learning to discriminate interaural time differences at low and high frequencies.

    International Journal of Audiology 46(10):585 (2007) PMID 17922348

    This study investigated learning, in normal-hearing adults, associated with training (i.e. repeated practice) on the discrimination of ongoing interaural time difference (ITD). Specifically, the study addressed an apparent disparity in the conclusions of previous studies, which reported training...
  12. The use and misuse of 'America' and the JCR impact factor.

    International Journal of Audiology 46(10):553 (2007) PMID 17922344

  13. Physiology and phenomenology of tinnitus: implications for treatment.

    International Journal of Audiology 46(10):569 (2007) PMID 17922346

    We examine a contrast in understanding tinnitus and how this impacts on treatment approaches. First, a physiological account of tinnitus is described based on disinhibition and cortical remapping following injury at the receptor level, the analog for tinnitus being the 'phantom limb pain' phenom...
  14. The human auditory system: a timeline of development.

    International Journal of Audiology 46(9):460 (2007) PMID 17828663

    This review traces the structural maturation of the human auditory system, and compares the timeline of anatomical development with cotemporaneous physiological and behavioral events. During the embryonic period, there is formation of basic structure at all levels of the system, i.e. the inner e...
  15. Developmental constraints on language development in children with cochlear implants.

    International Journal of Audiology 46(9):512 (2007) PMID 17828667

    Research on pediatric cochlear implantation has frequently shown that speech perception, speech production, and language outcomes are better for children who are implanted earlier in life than later. These findings are often explained on the grounds that earlier implantation takes advantage of a...
  16. Functional MRI of language lateralization during development in children.

    International Journal of Audiology 46(9):533 (2007) PMID 17828669 PMCID PMC2763431

    Changes in the distribution of language function in the brain have been documented from infancy through adulthood. Even macroscopic measures of language lateralization reflect a dynamic process of language development. In this review, we summarize a series of functional MRI studies of language s...
  17. Sensory-based learning disability: Insights from brainstem processing of speech sounds.

    International Journal of Audiology 46(9):524 (2007) PMID 17828668

    Speech-evoked auditory brainstem responses (speech-ABR) provide a reliable marker of learning disability in a substantial subgroup of individuals with language-based learning problems (LDs). Here we review work describing the properties of the speech-ABR in typically developing children and in c...
  18. Unimodal and cross-modal plasticity in the 'deaf' auditory cortex.

    International Journal of Audiology 46(9):479 (2007) PMID 17828664

    Congenital auditory deprivation leads to deficits in the auditory cortex. The present review focuses on central aspects of auditory deprivation: development, plasticity, corticocortical interactions, and cross-modal reorganization. We compile imaging data from human subjects, electroencephalogra...
  19. Deprivation-induced cortical reorganization in children with cochlear implants.

    International Journal of Audiology 46(9):494 (2007) PMID 17828665

    A basic finding in developmental neurophysiology is that some areas of the cortex cortical areas will reorganize following a period of stimulus deprivation. In this review, we discuss mainly electroencephalography (EEG) studies of normal and deprivation-induced abnormal development of the centra...
  20. Special issue on central auditory system development and plasticity.

    International Journal of Audiology 46(9):459 (2007) PMID 17828662