Machinelearningmodel sheds light on how brains recognize communication sounds CommsBio
from guinea pigs listening to their kin's communication sounds. Neurons in regions of the brain that are responsible for processing sounds lit up with a flurry of electrical activity when they heard a noise that had features present in specific types of these sounds, similar to the machine learning model.
Guinea pigs were put in an enclosure and exposed to different categories of sounds—squeaks and grunts that are categorized as distinct sound signals. Researchers then trained theto walk over to different corners of the enclosure and receive fruit rewards depending on which category of sound was played.
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