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Reward processing in obesity, substance addiction and non-substance addiction

García-García, I. ; Horstmann, A. ; Jurado, M. A. ; Garolera, M. ; Chaudhry, S. J. ; Margulies, D. S. ; Villringer, A. ; Neumann, J.

Obesity reviews, 2014-11, Vol.15 (11), p.853-869 [Periódico revisado por pares]

England: Blackwell Publishing Ltd

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  • Título:
    Reward processing in obesity, substance addiction and non-substance addiction
  • Autor: García-García, I. ; Horstmann, A. ; Jurado, M. A. ; Garolera, M. ; Chaudhry, S. J. ; Margulies, D. S. ; Villringer, A. ; Neumann, J.
  • Assuntos: Analysis of Variance ; Behavior, Addictive - physiopathology ; Body Mass Index ; Body mass index (BMI) ; brain ; Brain Mapping ; Cues ; Food ; food addiction ; Humans ; Magnetic Resonance Imaging ; Meta-Analysis as Topic ; Neural Pathways - physiopathology ; Neuroimaging ; Obesity - physiopathology ; Obesity - psychology ; Photic Stimulation ; Reward ; Satiation ; Substance-Related Disorders - physiopathology ; Substance-Related Disorders - psychology
  • É parte de: Obesity reviews, 2014-11, Vol.15 (11), p.853-869
  • Notas: Catalan Government - No. FI-DGR 2012; No. BE-DGR 2012
    German Research Foundation - No. SFB 1052
    Table S1. Overview of the studies in obesity. Table S2. Overview of the studies in Internet/gaming addiction. Table S3. Overview of the studies in pathological gambling. Table S4. Overview of the studies in nicotine addiction. Table S5. Overview of the studies in alcohol dependence. Table S6. Overview of the studies in other substance addictions included in the meta-analyses. Table S7. Differences in activation elicited during the processing of visual stimuli in obesity. Table S8. Differences in activation elicited during the processing of rewarding stimuli in non-substance addictions. Table S9. Differences in activation elicited during the processing of rewarding stimuli in substance addictions. Table S10. Differences in activation elicited during the processing of the monetary reward in substance addictions. Table S11. Differences in activation elicited during the processing of other rewarding stimuli in substance addictions. Table S12. Differences in activation elicited during the processing of reward in participants in active substance dependence and in participants seeking for treatment for substance addictions.
    ArticleID:OBR12221
    ark:/67375/WNG-X23NVPD4-W
    Max Planck International Research Network on Aging (MaxNetAging)
    German Federal Ministry of Education and Research - No. FKZ: 01EO1001
    istex:7CCF44F9AD2D4FA10BED314C1E6CBA3D652ABCED
    ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-3
    content type line 23
    ObjectType-Review-1
  • Descrição: Summary Similarities and differences between obesity and addiction are a prominent topic of ongoing research. We conducted an activation likelihood estimation meta‐analysis on 87 studies in order to map the functional magnetic resonance imaging (fMRI) response to reward in participants with obesity, substance addiction and non‐substance (or behavioural) addiction, and to identify commonalities and differences between them. Our study confirms the existence of alterations during reward processing in obesity, non‐substance addiction and substance addiction. Specifically, participants with obesity or with addictions differed from controls in several brain regions including prefrontal areas, subcortical structures and sensory areas. Additionally, participants with obesity and substance addictions exhibited similar blood‐oxygen‐level‐dependent fMRI hyperactivity in the amygdala and striatum when processing either general rewarding stimuli or the problematic stimuli (food and drug‐related stimuli, respectively). We propose that these similarities may be associated with an enhanced focus on reward – especially with regard to food or drug‐related stimuli – in obesity and substance addiction. Ultimately, this enhancement of reward processes may facilitate the presence of compulsive‐like behaviour in some individuals or under some specific circumstances. We hope that increasing knowledge about the neurobehavioural correlates of obesity and addictions will lead to practical strategies that target the high prevalence of these central public health challenges.
  • Editor: England: Blackwell Publishing Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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