Sound stimulation of 75 dB at a frequency of 100 Hz leads to improvement in cervical vestibular-evoked myogenic potential (cVEMP) amplitude in patients with definitive Meniere disease, according to a study published online ...
Jul 2, 2024
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Music and speech are among the most frequent types of sounds we hear. But how do we identify what we think are differences between the two?
May 28, 2024
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Compared with summating potential (SP) amplitude value by tone burst stimulation, SP/action potential (AP) area ratio by click stimulus has higher sensitivity and specificity for detecting Meniere disease (MD), according ...
Apr 4, 2024
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Assistant Professor Yuya Hosoda of the Center for IT-Based Education (CITE), Toyohashi University of Technology has developed a method for estimating the pitch of vocal cord vibrations of humans from call audio.
Aug 18, 2023
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When patients undergo general anesthesia, their brain activity often slows down as they sink into unconsciousness. Higher doses of anesthetic drugs can induce an even deeper state of unconsciousness known as burst suppression, ...
Jul 17, 2023
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Perceiving speech requires quieting certain types of brain cells, report a team of researchers from UConn Health and University of Rochester in an upcoming issue of the Journal of Neurophysiology. Their research reveals a ...
Sep 25, 2020
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Nearly half the amplitude typically used in standard electroconvulsive therapy (ECT) seems to be effective at treating suicidal thoughts, investigators report.
Jun 3, 2019
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(HealthDay)—For children with retinitis pigmentosa, vitamin A supplementation is associated with slower loss of cone electroretinogram amplitude, according to a study published online March 29 in JAMA Ophthalmology.
Apr 2, 2018
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At the onset of an epileptic seizure, differing characteristics of brain tissue surrounding the seizure's origin site may determine which of two main patterns of brain activity will be seen, according to a study in PLOS Computational ...
May 4, 2017
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Mammals are good at figuring out which direction a sound is coming from, whether it's a rabbit with a predator breathing down its neck or a baby crying for its mother. But how we judge how far away that sound is was a mystery ...
Apr 1, 2015
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Amplitude is the magnitude of change in the oscillating variable with each oscillation within an oscillating system. For example, sound waves in air are oscillations in atmospheric pressure and their amplitudes are proportional to the change in pressure during one oscillation. If a variable undergoes regular oscillations, and a graph of the system is drawn with the oscillating variable as the vertical axis and time as the horizontal axis, the amplitude is visually represented by the vertical distance between the extrema of the curve and the equilibrium value.
In older texts the phase is sometimes very confusingly called the amplitude.
This text uses material from Wikipedia, licensed under CC BY-SA
