Cited by 679Regulation of Appetite and ObesityEating Disorders and BehaviorsNeurotransmitter Receptor Influence on Behavior

Differential activation of the dorsal striatum by high-calorie visual food stimuli in obese individuals

Rothemund, Yvonne, Preuschhof, Claudia, Bohner, Georg, Bauknecht, Hans-Christian, Klingebiel, Randolf, Flor, Herta, Klapp, Burghard F.·2007·NeuroImage

Abstract

The neural systems regulating food intake in obese individuals remain poorly understood. Previous studies applied positron emission tomography and manipulated hunger and satiety to investigate differences in appetitive processing between obese and normal-weight individuals. However, it is not known whether manipulation of stimulus value may yield different neural activity in obese as compared to control subjects when intrinsic physiological states are kept constant. We used functional magnetic resonance imaging to investigate 13 obese and 13 normal-weight subjects and manipulated food motivation by presenting visual food stimuli differing in their caloric content and energy density. In contrast to controls, obese women selectively activated the dorsal striatum while viewing high-caloric foods. Moreover, in the high-calorie condition body mass index (BMI) predicted activation in the dorsal striatum, anterior insula, claustrum, posterior cingulate, postcentral and lateral orbitofrontal cortex. The results indicate that in obese individuals simple visual stimulation with food stimuli activates regions related to reward anticipation and habit learning (dorsal striatum). Additionally, high-calorie food images yielded BMI-dependent activations in regions associated with taste information processing (anterior insula and lateral orbitofrontal cortex), motivation (orbitofrontal cortex), emotion as well as memory functions (posterior cingulate). Collectively, the results suggest that the observed activation is independent of the physiological states of hunger and satiation, and thus may contribute to pathological overeating and obesity. Some of the observed activations (dorsal striatum, orbitofrontal cortex) are likely to be dopamine-mediated.

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Crossref · 10.1016/j.neuroimage.2007.05.008

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  • Recent studies using BOLD fMRI have shown selective overactivity in the nucleus accumbens and related brain areas in obese compared with lean individuals when shown images of highly palatable food.

    “Recent studies that used the conventional blood oxygenation level-dependent fMRI have shown selective overactivity in the nucleus accumbens and related brain areas in obese compared with lean individuals when shown imagines of highly palatable food (6)(7)(8)(9)(10)(11)”

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Authors
Rothemund, Y., Preuschhof, C., Bohner, G., Bauknecht, H.-C., Klingebiel, R., Flor, H., & Klapp, B. F.
Affiliations
  • Stiftung Charité (DE)
  • Max Planck Society (DE)
  • Heidelberg University (DE)
Corresponding author
Rothemund, Yvonne
Venue
NeuroImage
Publisher
Elsevier BV
Published
2007-08
Volume
37
Issue
2
Pages
410-421
ISSN
1053-8119 (ISSN-L)
OpenAlex
W1976544983
Cited by
679
References
67
Citations by year
2026: 6 · 2025: 10 · 2024: 13 · 2023: 25 · 2022: 34 · 2021: 38 · 2020: 35 · 2019: 43 · 2018: 35 · 2017: 44 · 2016: 45 · 2015: 56 · 2014: 69 · 2013: 50 · 2012: 73
FWCI
8.17
Type
journal article
Language
en
Open access
closed
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
Deutsche Forschungsgemeinschaft (FL 156/29)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
obesity, dorsal striatum, food motivation, energy density, reward anticipation, habit learning, anterior insula, orbitofrontal cortex, posterior cingulate cortex, body mass index, dopamine, overeating
MeSH terms
Adult, Brain Mapping, Corpus Striatum, Female, Food, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Obesity, Photic Stimulation

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