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  Mapping Gustatory And Interoceptive Responses In The Primate Brain. Insights Into The Insular Cortex

Hartig, R. (2019). Mapping Gustatory And Interoceptive Responses In The Primate Brain. Insights Into The Insular Cortex. Chemical Senses, 44(7), e115. doi:10.1093/chemse/bjz035.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-4569-A Version Permalink: http://hdl.handle.net/21.11116/0000-0004-A17E-9
Genre: Meeting Abstract

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 Creators:
Hartig, R1, 2, Author              
Affiliations:
1Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497798              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: A combination of functional and anatomical methods was used to help localize the representation of gustatory and interoceptive processes in the macaque cortex. Under anesthesia, neuroimaging (fMRI) and electrophysiology experiments were conducted during a series of functional stimulation paradigms, which included the application of different tastants (sour, sweet and salt) and distention of the lower gastrointestinal tract. The resulting BOLD activity in key subcortical (e.g. PAG, PbN, thalamus, amygdala) and cortical (e.g. insula, cingulate, SFG) structures was examined in an effort to delineate the sensory afferent relays and elucidate the connectivity between the primary cortical recipient of visceral and gustatory information – the insular cortex – and associated regions involved in the maintenance of homeostasis and the manifestation of emotional and cognitive percepts related to the elicited bodily sensations. Whole-brain fMRI analyses eventually developed into a more refined sampling of the insular cortex by electrophysiology, which identified neuronal population activities underlying such functional processes.

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 Dates: 2019-042019-09
 Publication Status: Published in print
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 Identifiers: DOI: 10.1093/chemse/bjz035
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Title: 41st Annual Meeting of the Association for Chemoreception Sciences (AChemS 2019)
Place of Event: Bonita Springs, FL, USA
Start-/End Date: 2019-04-13 - 2019-04-14

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Title: Chemical Senses
Source Genre: Journal
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Publ. Info: Oxford : Oxford University Press [etc.]
Pages: - Volume / Issue: 44 (7) Sequence Number: - Start / End Page: e115 Identifier: ISSN: 0379-864X
CoNE: https://pure.mpg.de/cone/journals/resource/954928560444