منابع مشابه
Hearing asymmetry and auditory acuity
right auditory inputs to locate their prey or mates, the reasonable expectation is that ears should remain symmetrical. However, this is not always the case, and in some animals auditory asymmetry has been shown to be adaptive, improving localisation for specialised tasks. For example, the vertical asymmetrical placement of the external auditory meatus in some species of nocturnal owls increase...
متن کاملGenetic and Environmental Effects on Hearing Acuity and the Association between Hearing Acuity, Mobility and Falls in Older Women
Viljanen, Anne Genetic and environmental effects on hearing acuity and the association between hearing acuity, mobility and falls in older women. Jyväskylä: University of Jyväskylä, 2010, 85 p. (Studies in Sport, Physical Education and Health ISSN 0356-1070; 151) ISBN 978-951-39-3962-5 (PDF), 978-951-39-3952-6 (nid.) Finnish summary Diss. The purpose of this study was to examine the contributio...
متن کاملHearing health and care: the need for improved hearing loss prevention and hearing conservation practices.
Hearing loss affects 31 million Americans, particularly veterans who were exposed to harmful levels of noise during military functions. Many veterans also receive treatment with ototoxic medications, which may exacerbate preexisting hearing loss. Thus, hearing loss is the most common and tinnitus the third most common service-connected disability among veterans. Poor implementation of hearing p...
متن کاملPredictors of hearing acuity: cross-sectional and longitudinal analysis.
BACKGROUND This study aimed to identify predictors of hearing thresholds (best-ear pure-tone average at 1, 2, and 4 kHz) and hearing deterioration in order to define potential target groups for hearing screening. METHODS We analyzed data from the Maastricht Aging Study, a Dutch cohort (aged 24-81 years; N = 1,721) that was observed for 12 years. Mixed model analysis was used to calculate each...
متن کاملSpatial acuity of ultrasound hearing in flying crickets.
The minimum audible angle is the smallest angular separation at which two sounds are perceived as coming from distinct sources. To determine the spatial acuity of hearing in crickets, we measured minimum audible angles at various locations in azimuth and elevation. Crickets (Teleogryllus oceanicus) were able to discriminate between sources separated by 11.25 degrees (1/32 of a circle) in azimut...
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ژورنال
عنوان ژورنال: Journal of the Japan Welding Society
سال: 1987
ISSN: 0021-4787,1883-7204
DOI: 10.2207/qjjws1943.56.368