Study reveals how brain distinguishes speech from noise – Daijiworld.com

New York, Dec 20 (IANS): Scientists have given physiological evidence that a pervasive neuromodulation system – a group of neurons that regulate the functioning of more specialized neurons – strongly influences sound processing in an important auditory region of the brain.
The neuromodulator — acetylcholine — may even help the main auditory brain circuitry distinguish speech from noise.
“While the phenomenon of these modulators’ influence has been studied at the level of the neocortex, where the…

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