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Hierarchical Encoding of Attended Auditory Objects in Multi-talker Speech Perception
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In: Neuron (2019)
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Information transfer and transformation in the primate ventral auditory processing stream ...
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Information transfer and transformation in the primate ventral auditory processing stream ; Doctor of Philosophy
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Abstract:
dissertation ; The primate auditory system is responsible for analyzing complex patterns of pressure differences and then synthesizing this information into a behaviorally relevant representation of the external world. How the auditory cortex accomplishes this complex task is unknown. This thesis examines the neural mechanisms underlying auditory perception in the primate auditory cortex, focusing on the neural representation of communication sounds. This thesis is composed of three studies of auditory cortical processing in the macaque and human. The first examines coding in primary and tertiary auditory cortex as it relates to the possibility for developing a stimulating auditory neural prosthesis. The second study applies an information theoretic approach to understanding information transfer between primary and tertiary auditory cortex. The final study examines visual influences on human tertiary auditory cortical processing during illusory audiovisual speech perception. Together, these studies provide insight into the cortical physiology underlying sound perception and insight into the creation of a stimulating cortical neural prosthesis for the deaf.
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Keyword:
Auditory; Brain; Cortex; Electrophysiology; Human; Information
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URL: https://collections.lib.utah.edu/ark:/87278/s6pc69jp
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