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Time-frequency analysis of the transient-evoked otoacoustic emission response was performed on a population of subjects affected by sensory-neural hearing loss characterized by a sharp audiometric profile, caused by firearm noise exposure (42 ears), and on a control population of normal-hearing subjects (84 ears). Time-frequency filtering permitted a(More)
Theoretical considerations and experimental evidence suggest that otoacoustic emission parameters may be used to reveal early cochlear damage, even before it can be diagnosed by standard audiometric techniques. In this work, the statistical distributions of a set of otoacoustic emission parameters chosen as candidates for the early detection of cochlear(More)
TEOAEs are considered a valuable test for specific evaluation of the inner ear function and can be used as a screening method for an objective diagnosis of cochlear damage. The aim of this study was the evaluation of TEOAEs as a diagnostic tool for adult male subjects undergoing medical selection for recruitment in the Italian Air Force (IAF). The analysis(More)
Perception of the subjective visual vertical (SVV) is mainly based on the contributions from the visual, vestibular, and proprioceptive systems, and participates to the process of spatial orientation in relation to the surrounding environment and to the gravito-inertial force. The SVV can be significantly influenced by the presence of a displaced visual(More)
INTRODUCTION Airsickness (AS) often affects aircrew members, especially at the beginning of their flight careers. In this study the AS incidence in 376 Italian Air Force student pilots (336 men and 40 women) was investigated during their initial flight activity. METHODS The study was separated into two parts. In part 1, the AS incidence was analyzed in(More)
The relationship between hearing loss, detected by measuring the audiometric threshold shift, and the presence of long-lasting otoacoustic emissions, has been studied in a population of 66 adult males, by analyzing the cochlear response in the 80 ms following the subministration of a click stimulus. Most long-lasting OAEs are also recognizable as(More)
Thirty-eight patients with known unilateral cochlear hearing loss at 6 and/or 8 kHz were examined for transient evoked otoacoustic emissions (TEOAEs). These findings were compared with those of the contralateral "normal hearing" ear. Statistically significant lower values of echo reproducibility and amplitude were recorded in hearing-impaired ears, together(More)
Motion Sickness, or kinetosis, is a complex clinical syndrome usually classified according to the environmental situation evoking the symptoms. Among the various forms of motion sickness, air sickness has a significant impact on aircrew readiness and is often a cause for the grounding of aircrew. Unfortunately, standards for clinical testing to accurately(More)
Pensacola Simulator Sickness Questionnaire (SSQ) is a valuable method to analyse symptoms evoked by exposure to a flight simulator environment that can also be adopted to evaluate the effectiveness of preventive tools, aiming at reducing simulator sickness (SS). In this study we analysed SSQ data in subjects undergoing a standard ground based spatial(More)