نتایج جستجو برای: spatial hearing
تعداد نتایج: 471948 فیلتر نتایج به سال:
Deaf subjects who use American Sign Language as their primary language generated visual mental images faster than hearing nonsigning subjects when stimuli were initially presented to the right hemisphere. Deaf subjects exhibited a strong right hemisphere advantage for image generation using either categorical or coordinate spatial relations representations. In contrast, hearing subjects showed ...
Localizing sounds in our environment is one of the fundamental perceptual abilities that enable humans to communicate, and to remain safe. Because the acoustic cues necessary for computing source locations consist of differences between the two ears in signal intensity and arrival time, sound localization is fairly poor when a single ear is available. In adults who become deaf and are fitted wi...
Recent research has highlighted the relationships between impairments in cognitive functioning and poorer functional outcomes among people with schizophrenia (PWS). The purpose of this study was to replicate and extend this work by testing the relationships between cognition and functional outcome among deaf adults with schizophrenia. Empirical findings from deafness-oriented research reveals e...
This is a case of successful cochlear implantation in a 50-year-old man who experienced sudden hearing loss and developed ipsilateral severe tinnitus at three years following conservative stage 1 vestibular schwannoma retrosigmoid surgery. After cochlear implantation, tinnitus improved from THI grade 4 to 2. Localisation skills improved. Hearing in noise (S/N + 7 dB) with target signal from the...
The aim of the study was to investigate low-level visual function in cochlear implant users. Spatial frequency discrimination was assessed in 16 adults with normal hearing and 18 adults with profound deafness who had a cochlear implant. Thresholds were measured with sinusoidal gratings using a two-alternative temporal forced-choice procedure combined with an adaptive staircase. Cochlear implant...
OBJECTIVE The purpose of this study was to examine working memory for sequences of auditory and visual stimuli in prelingually deafened pediatric cochlear implant users with at least 4 yr of device experience. DESIGN Two groups of 8- and 9-yr-old children, 45 normal-hearing and 45 hearing-impaired users of cochlear implants, completed a novel working memory task requiring memory for sequences...
Separating sound sources in complex acoustical environment is an everyday challenge for our auditory system. Listeners with normal hearing are able to use binaural cues to solve this problem, but in impaired hearing these mechanisms are often disturbed. The aim of binaural noise reduction schemes in hearing aids is to improve the signal-to-noise ratio (SNR) in complex acoustic environments and ...
Localizing a sound source requires the auditory system to determine its direction and its distance. In general, hearing-impaired listeners do less well in experiments measuring localization performance than normal-hearing listeners, and hearing aids often exacerbate matters. This article summarizes the major experimental effects in direction (and its underlying cues of interaural time differenc...
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