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Predictive coding in the human olfactory system
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DOI：10.1016/j.tics.2025.04.005.png)
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Abstract
En 中文
The anatomy of the human olfactory system is unusual relative to other sensory systems. To elucidate the principles underlying this anatomy, we develop a theory of olfactory predictive coding. We propose a possible circuit motif that functions to predict olfactory inputs and minimize olfactory prediction error. We formulate a ‘predictive map’ hypothesis of piriform cortex based on its encoding and retrieval of sensory relations. We show how predictive coding applies to many olfactory-related phenomena, including sniffing, odor naming, cross-modal interactions, attention, and interoception.
Keywords:
olfactory system
predictive coding
piriform cortex
sensory prediction
odor perception
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