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Neuronal activity at the microscopic level has a stochastic character, with atomic collisions and agitation, that may be termed "noise." [4] While it isn't clear on what theoretical basis neuronal responses involved in perceptual processes can be segregated into a "neuronal noise" versus a "signal" component, and how such a proposed dichotomy could be corroborated empirically, a number of ...
Acoustic sources within the "jet pipe" also contribute to the noise, mainly at lower speeds, which include combustion noise, and sounds produced by interactions of a turbulent stream with fans, compressors, and turbine systems. [1] The jet mixing sound is created by the turbulent mixing of a jet with the ambient fluid, in most cases, air.
Channel noise is the variability in neuronal responses that is generated by the random gating of voltage-gated ion channels such as those for potassium or sodium, vital components of an action potential. This prerequisite need is proposed since both channel and synaptic noise limit the reliability of responsiveness to stimuli in neurons, as ...
The brain utilizes subtle differences in loudness, tone and timing between the two ears to allow us to localize sound sources. [10] Localization can be described in terms of three-dimensional position: the azimuth or horizontal angle, the zenith or vertical angle, and the distance (for static sounds) or velocity (for moving sounds). [ 11 ]
For a brief period of time on Monday, it sounded a bit like things were cranking up for the Stuart Air Show.
Individuals with exploding head syndrome hear or experience loud imagined noises as they are falling asleep or are waking up, have a strong, often frightened emotional reaction to the sound, and do not report significant pain; around 10% of people also experience visual disturbances like perceiving visual static, lightning, or flashes of light.
Canestrino also reported that noise levels are up from last year, with a monitor affixed near the top of the hospital averaging noise data of 62.6 decibels in May 2024, compared to 59.5 decibels ...
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