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  Differences in insula and pre-/frontal responses during reappraisal of food in lean and obese humans

Kumar, S., Grundeis, F., Brand, C., Hwang, H.-J., Mehnert, J., & Pleger, B. (2016). Differences in insula and pre-/frontal responses during reappraisal of food in lean and obese humans. Frontiers in Human Neuroscience, 10: 233. doi:10.3389/fnhum.2016.00233.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-1765-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1155-A
Genre: Journal Article

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 Creators:
Kumar, Saurabh1, 2, Author
Grundeis, Felicitas1, 2, Author
Brand, Cristin1, 2, Author
Hwang, Han-Jeong1, 2, 3, Author
Mehnert, Jan1, 2, 4, Author              
Pleger, Burkhard1, 2, 5, Author              
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
2Clinic for Cognitive Neurology, University of Leipzig, Germany, ou_persistent22              
3Department of Medical IT Convergence Engineering, Kumoh National Institute of Technology, Gumi, Republic of Korea, ou_persistent22              
4Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Germany, ou_persistent22              
5Department of Neurology, University Hospital Bergmannsheil, Bochum, Germany, ou_persistent22              

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Free keywords: Obesity; EEG; Dorsolateral prefrontal cortex; Frontal operculum; Insular cortex; Reappraisal of food
 Abstract: Brain regions involved in the reappraisal of tasty but unhealthy foods are of special interest for the development of new therapeutic interventions for obesity, such as non-invasive brain stimulation or neurofeedback. Here, we visually presented food items (i.e., high/low caloric) to obese and lean individuals during electroencephalogram (EEG) recordings, while they either admitted or regulated their food desire. During admitting the desire for low and high calorie foods, obese as well as lean individuals showed higher activity in the left dorsolateral prefrontal cortex (DLPFC), whereas the right frontal operculum was involved in the reappraisal of the same foods, suggesting interplay between executive control and gustatory regions. Only in lean participants, we found an interaction between calorie content and the regulate/admit conditions in bilateral anterior insular cortices, suggesting that the anterior insula, assumed to primarily host gustatory processes, also underpins higher cognitive processes involved in food choices, such as evaluating the foods’ calorie content for its reappraisal.

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Language(s): eng - English
 Dates: 2016-02-192016-05-032016-05-20
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.3389/fnhum.2016.00233
PMID: 27458355
PMC: PMC4937815
Other: eCollection 2016
 Degree: -

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Title: Frontiers in Human Neuroscience
  Abbreviation : Front Hum Neurosci
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland : Frontiers Research Foundation
Pages: - Volume / Issue: 10 Sequence Number: 233 Start / End Page: - Identifier: ISSN: 1662-5161
CoNE: /journals/resource/1662-5161