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NeuroenologyHow the Brain Creates the Taste of Wine$
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Gordon M. Shepherd

Print publication date: 2016

Print ISBN-13: 9780231177009

Published to Columbia Scholarship Online: January 2019

DOI: 10.7312/columbia/9780231177009.001.0001

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Orthonasal Smell

Orthonasal Smell

From Odor Image to Aroma Perception

(p.88) Chapter Nine Orthonasal Smell

Gordon M. Shepherd

Columbia University Press

The olfactory cortex is a pattern recognizer, changing the image from a sensory representation to an internal “sensory object”. In this state it represents individual components of the aroma molecules, but also qualities of the aroma as a merged object. The perception in the wine taster’s brain has both these qualities, challenging the ability to make fine distinctions. This conscious perception is believed to arise at the highest levels in the frontal lobes, where circuits enable the brain to be flexible in learning to prefer different wines.

Keywords:   olfactory cortex, pattern recognizer, lateral inhibition, learning, memory, analytic perception, synthetic perception, conscious perception, orbitofrontal cortex, reversal learning

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