Interactions of gamma frequency rhythms in computational models of primary auditory cortex
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Many animals rely on the ability to perceive and process sounds for communication and survival. The brain must be able to accurately and reliably perceive relevant sounds in the environment and synthesize auditory information to extract meaning. Electrical oscillations have been observed throughout in the brain, and these rhythms have been investigated to understand their relation to auditory function. Experimental evidence suggests that a class of these rhythms in the gamma frequency range (30-90 Hz) is important in behavioral learning and physiological plasticity, which is thought to be a neural correlate for memory. In the primary auditory cortex, dual gamma rhythm generators have been observed in different laminae, but the role of these gamma rhythms in auditory processing is not fully understood. In this work, mathematical models of gamma rhythm generation were used to help understand how gamma rhythms support auditory plasticity and how dual gamma rhythms interact, with implications for interlaminar communication [TRUNCATED]
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