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Combined Rather than Separate Pathways for Hedonic and Sensory Aspects of Taste in Fly Larvae?

Julien Colomb and Reinhard F. Stocker

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In mammals, the hedonic aspects (good versus bad) and sensory aspects (i.e., the molecular quality) of taste are associated with different brain regions. Anatomical data argue against such a separation in the primary taste center of Drosophila larvae. Is only one aspect of taste represented or do both co-exist at the same location? I present evidence for a hedonic representation in the larval taste center and review anatomical and behavioral data which support the co-existence of a sensory representation of taste with a hedonic representation.

Authors

Julien Colomb

ESPCI, GDSM-Neurobiologie

Reinhard F. Stocker

Department of Biology, University of Fribourg

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