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:: Volume 4, Issue 1 And 2 (4 1996) ::
aud 1996, 4(1 And 2): 50-57 Back to browse issues page
Auditory Perceptual and Visual-Spatial Characteristics of Gaze-Evoked Tinnitus
Jamileh Fatahi , Mansoureh Adel Ghahraman
Abstract:   (7523 Views)

Auditory perceptual and visual-spatial characteristics of subjective tinnitus evoked by eye gaze were studied in two adult human subjects. This uncommon form of tinnitus occurred approximately 4-6 weeks following neurosurgery for gross total excision of space Occupying lesions of the cerebellopontine angle and hearing was lost in the operated ear. In both cases, the gaze evoked tinnitus was characterized as being tonal in nature, with pitch and loudness percepts remaining constant as long as the same horizontal or vertical eye directions were maintained. Tinnitus was absent when the eyes were in a neutral head referenced position with subjects looking straight ahead. The results and implications of ophthalmological, standard and modified visual field assessment, pure tone audio metric assessment, spontaneous otoacoustic emission testing and detailed psychophysical assessment of pitch and loudness are discussed.

Keywords: Gaze-evoked tinnitus, Acoustic tumor, Adaptive psychophysics, Peripheral auditory deafferentation
Full-Text [PDF 6704 kb]   (1879 Downloads)    
Type of Study: Translated Article |
Accepted: 2013/08/24 | Published: 2014/12/28
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Volume 4, Issue 1 And 2 (4 1996) Back to browse issues page
شنوایی شناسی - دانشگاه علوم پزشکی تهران Bimonthly Audiology - Tehran University of Medical Sciences
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