Clinical Factors of Tinnitus Influence Perceived Loudness and Annoyance
Clinical characteristics of tinnitus such as duration, consistency and other factors influence the way// individuals perceive loudness and annoyance associated with the condition, according to a report. Tinnitus, a ringing, buzzing or whistling sound in one or both ears occurring without outsi...Airplane Noise Boosts Blood Pressure Even During Sleep
...ood pressure was also seen from other noise, such as road traffic, according to the report. The boost in blood pressure was directly related to the loudness of the noise, Jarup's group found. In fact, every 5 decibel increase in airplane noise caused an increase in systolic blood pressure of 0.66 mmHg. The...Lend me your ears -- and the world will sound very different
...responses are determined not merely by acoustical properties, like frequency and pitch, but by statistical properties of the sound-scape. In the world loudness and pitch are constantly changing. The random shifts in sounds are underpinned with a statistical regularity. For example, subtle and gradual changes ...Greater parental guidance suggested for noisy toy use
...rn into a lifetime of hearing loss for their children. In measuring the loudness of many desired toys, University of California, Irvine researchers warn tha...e permanent hearing damage if not used properly. The researchers tested the loudness of popular toys and found that a number of them reach decibel levels of 100...Obesity And Chronic Fatigue Related To Snoring
...ent of patients without these symptoms complain of snoring. In three multiple regression analyses, percent of time snoring, average loudness, and peak loudness are all significantly predicted by AHI (Apnea Hypopnea Index), BMI, and age. Daytime sleepiness was strongly predicted by percent time snoring, weakly...Digistim 2 Plus Nerve Stimulator
Description:.... Pulse LED (red) flashes and audible indicator sounds each time a stimulus pulse is generated and before the instrument automatically shuts down. The loudness of the beep is adjustable.. Case: High-impact ABS plastic with anodized aluminum front and rear panels. Switches and handles are chrome-plated. Si...Digistim 3 Plus Nerve Stimulator
Description:...a stimulus pulse is generated. Audible indicator beeps each time a stimulus pulse is generated and before the instrument automatically shuts down. The loudness of the beep is adjustable. Power Source: 9-V alkaline battery (access door on rear panel) Power Consumption: Approximately 2.4 mA Case: High-im...Quiet bison sire more calves than louder rivals
...ls. Amplitude has received much less attention, Wyman said, largely because loudness is especially difficult to measure in the field. By the time a grunt or a r...anding how bison communicate vocally. Yet the results clearly indicate that loudness as a factor of animal communication should receive more attention, Wyman sa...To elude bats, a moth keeps its hearing in tune
...ows that the ear of the yellow underwing moth changes its frequency (pitch) sensitivity in response to sound. As a bat gets closer to a moth, both the loudness and frequency of sound increase. Surprisingly, the sensitivity of the moth’s ear to the bat’s calls also increases, as the moth ear dynamically become...