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Frequency analyses of postural sway demonstrate the use of sounds for balance given vestibular loss.
Gait Posture
December 2024
Department of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Ear Institute, New York Eye and Ear Infirmary of Mount Sinai, New York, NY, USA.
Purpose: To investigate how adults with unilateral vestibular hypofunction and healthy controls incorporate visual and auditory cues for postural control in an abstract visual environment.
Methods: Participants stood on foam wearing the HTC Vive, observing an immersive 3-wall display of 'stars' that were either static or dynamic (moving front to back at 32 mm, 0.2 Hz) with no sound, static white noise, or moving white noise played via headphones.
Virtual reality games for spatial hearing training in children and young people with bilateral cochlear implants: the "Both Ears (BEARS)" approach.
Front Neurosci
December 2024
SOUND Lab, Department of Clinical Neurosciences, University of Cambridge, Cambridge, United Kingdom.
Spatial hearing relies on the encoding of perceptual sound location cues in space. It is critical for communicating in background noise, and understanding where sounds are coming from (sound localization). Although there are some monoaural spatial hearing cues (i.
View Article and Find Full Text PDFComparison of Performance for Cochlear-Implant Listeners Using Audio Processing Strategies Based on Short-Time Fast Fourier Transform or Spectral Feature Extraction.
Ear Hear
December 2024
Laboratorio de Audición Computacional y Piscoacústica, Instituto de Neurociencias de Castilla y León, Universidad de Salamanca, Salamanca, Spain.
Objectives: We compared sound quality and performance for a conventional cochlear-implant (CI) audio processing strategy based on short-time fast-Fourier transform (Crystalis) and an experimental strategy based on spectral feature extraction (SFE). In the latter, the more salient spectral features (acoustic events) were extracted and mapped into the CI stimulation electrodes. We hypothesized that (1) SFE would be superior to Crystalis because it can encode acoustic spectral features without the constraints imposed by the short-time fast-Fourier transform bin width, and (2) the potential benefit of SFE would be greater for CI users who have less neural cross-channel interactions.
View Article and Find Full Text PDFThe Relationship of Pitch Discrimination with Segregation of Tonal and Speech Streams for Cochlear Implant Users.
Trends Hear
December 2024
Auditory Research Center, Caruso Department of Otolaryngology - Head and Neck Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA.
Cochlear implant (CI) users often complain about music appreciation and speech recognition in background noise, which depend on segregating sound sources into perceptual streams. The present study examined relationships between frequency and fundamental frequency (F0) discrimination with stream segregation of tonal and speech streams for CI users and peers with no known hearing loss. Frequency and F0 discrimination were measured for 1,000 Hz pure tones and 110 Hz complex tones, respectively.
View Article and Find Full Text PDFA Survey on Hearing Health of Musicians in Professional and Amateur Orchestras.
Trends Hear
December 2024
Department of Medical Physics and Acoustics, Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany.
Hearing health, a cornerstone for musical performance and appreciation, often stands at odds with the unique acoustical challenges that musicians face. Utilizing a cross-sectional design, this survey-based study presents an in-depth examination of self-rated hearing health and its contributing factors in 370 professional and 401 amateur musicians recruited from German-speaking orchestras. To probe the nuanced differences between these groups, a balanced subsample of 200 professionals and 200 amateurs was curated, matched based on age, gender, and instrument family.
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