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Stochastic resonance is a phenomenon that occurs in a threshold measurement system (e.g. a man-made instrument or device; a natural cell, organ or organism) when an appropriate measure of information transfer (signal-to-noise ratio, mutual information, coherence, d', etc.) is maximized in the presence of a non-zero level of stochastic input noise thereby lowering the response threshold; [1 ...
The majority of patented methods for noninvasive monitoring of ICP are based on an assumption that changes in ICP affect the physical dimensions and/or acoustic properties of the cranial vault or intracranial structures (dura, brain tissue, brain ventricles, and/or intracranial vessels). The common drawback of all these methods is that they ...
A 3D-printed stethoscope is an open-source medical device meant for auscultation and manufactured via means of 3D printing. [31] The 3D stethoscope was developed by Dr. Tarek Loubani and a team of medical and technology specialists. The 3D-stethoscope was developed as part of the Glia project, and its design is open source from the outset.
Psychoacoustics is the branch of psychophysics involving the scientific study of the perception of sound by the human auditory system.It is the branch of science studying the psychological responses associated with sound including noise, speech, and music.
Additionally, electronic stethoscopes can be used to filter out background noise, a feature that can be safety-relevant and facilitate more accurate diagnoses. Whereas sound amplification and filtering are the main functions of an electronic stethoscope, the ability to access the sounds through external means via Bluetooth or audio cables makes ...
Auscultation (based on the Latin verb auscultare "to listen") is listening to the internal sounds of the body, usually using a stethoscope. Auscultation is performed for the purposes of examining the circulatory and respiratory systems (heart and breath sounds), as well as the alimentary canal. The term was introduced by René Laennec. The act ...
AI scans have also helped detect signs of change in the brain earlier. Now, researchers are looking at a different avenue: the ears. They aim to spot signs of cognitive impairment early by ...
They include thermometers, brain scans, and electrocardiograms. Sensors take in signals from the body, and amplify them so engineers and doctors can study them. Signals from sensors are amplified using circuits, by taking in a voltage source, and modifying them using circuit components such as resistors , capacitors , and inductors . [ 29 ]