The potential binaural consequences of two envelope-based speech enhancement strategies (broadband compression and expansion) were examined. Sensitivity to interaural time differences imposed on four single-word stimuli was measured in listeners with normal hearing and sensorineural hearing loss. While there were no consistent effects of compression or expansion across all words, some potentially interesting word-specific effects were observed.
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http://dx.doi.org/10.1121/10.0015155 | DOI Listing |
Brain Commun
October 2024
Department of Audiology & Speech Pathology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Parkville, VIC 3010, Australia.
bioRxiv
September 2024
Kresge Hearing Research Institute & Department of Otolaryngology - Head & Neck Surgery, University of Michigan Medical School, Ann Arbor, United States.
Sound localization is critical for real-world hearing, such as segregating overlapping sound streams. For optimal flexibility, central representations of auditory space must adapt to peripheral changes in binaural cue availability, such as following asymmetric hearing loss in adulthood. However, whether the mature auditory system can reliably encode spatial auditory representations upon abrupt changes in binaural input is unclear.
View Article and Find Full Text PDFObjective Therapeutic relationship is a cornerstone in the treatment of schizophrenia. However, certain personal factors on the part of psychiatrists can hinder it, notably the lack of experience with auditory hallucinations. Such factors can lead to a decrease in empathy and, consequently, a negative alteration in the therapeutic relationship.
View Article and Find Full Text PDFHear Res
September 2024
Archie's Cochlear Implant Laboratory, The Hospital for Sick Children, Toronto, ON, Canada; Department of Otolaryngology-Head & Neck Surgery, University of Toronto, Toronto, ON, Canada; Institute of Medical Science, University of Toronto, Toronto, ON, Canada. Electronic address:
Background & Rationale: In prior work using non-speech stimuli, children with hearing loss show impaired perception of binaural cues and no significant change in cortical responses to bilateral versus unilateral stimulation. Aims of the present study were to: 1) identify bilateral responses to envelope and spectral components of a speech syllable using the frequency-following response (FFR), 2) determine if abnormalities in the bilateral FFR occur in children with hearing loss, and 3) assess functional consequences of abnormal bilateral FFR responses on perception of binaural timing cues.
Methods: A single-syllable speech stimulus (/dα/) was presented to each ear individually and bilaterally.
J Acoust Soc Am
May 2024
Medizinische Physik and Cluster of Excellence Hearing4all, Carl von Ossietzky Universität Oldenburg, 26129 Oldenburg, Germany.
In daily life, natural or man-made structures influence sound propagation, causing reflections and diffraction with potential effects on auditory spatial perception. While the effect of isolated reflections on binaural localization has been investigated, consequences of edge diffraction on spatial perception have received less attention. Here, effects of edge diffraction on the horizontal localization of a sound source were assessed when a flat square plate occludes the direct sound or produces a reflection in an otherwise anechoic environment.
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