Cited by 53Adipokines, Inflammation, and Metabolic DiseasesNeural and Behavioral Psychology StudiesTryptophan and brain disorders

Low-grade inflammation is a major contributor of impaired attentional set shifting in obese subjects

Lasselin, Julie, Magne, Eric, Beau, Cédric, Aubert, Agnès, Dexpert, Sandra, Carrez, Julie, Layé, Sophie, Forestier, Damien +2 more·2016·Brain Behavior and Immunity

Abstract

Impairment in cognitive flexibility and set shifting abilities has been described in obesity. This alteration is critical as it can interfere with obesity management strategies. Recent evidences suggest that chronic low-grade inflammation may be involved in cognitive deficits associated with obesity, but the potential involvement in reduced flexibility remains unknown. The objective of this study was to assess the contribution of low-grade inflammation, determined by circulating levels of high-sensitivity C-reactive protein (hsCRP), in reduced cognitive flexibility and shifting abilities of obese subjects relatively to a group of non-obese participants. Performance in the intra/extra-dimensional set shift (IED) test, extracted from the CANTAB, was assessed in 66 obese subjects and 20 non-obese participants. Obese subjects with concentrations of hsCRP above 5mg/L exhibited reduced performance on the IED test in comparison to obese subjects with lower levels of hsCRP and non-obese participants. This difference was particularly manifest in the number of errors made during the extra-dimensional shift (EDS errors). In contrast, performance before the extra-dimensional shift was spared. Linear regression analyses revealed that the association between obesity and IED alterations was significant only when the condition hsCRP >5mg/L was entered in the model. These findings are important as they indicate that, rather than obesity itself, low-grade inflammation represents a major contributor of IED performance in obese subjects.

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Crossref · 10.1016/j.bbi.2016.05.013

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  • Lasselin et al. showed that in obese individuals, subjects with CRP levels above 5 mg/L performed worse on the IED test compared to obese subjects with lower CRP or non-obese participants.

    “Lasselin et al. showed that in obese individuals, a population often showing ongoing low-grade inflammation, subjects with levels of C-reactive protein (CRP) above 5 mg/L performed worse on the IED test compared to obese subjects with lower levels of CRP or non-obese participants [48].”

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Authors
Lasselin, J., Magne, E., Beau, C., Aubert, A., Dexpert, S., Carrez, J., Layé, S., Forestier, D., Ledaguenel, P., & Capuron, L.
Affiliations
  • Université de Bordeaux (FR)
  • Métaphysique, histoires, transformations, actualités (FR)
Corresponding author
Capuron, Lucile
Venue
Brain Behavior and Immunity
Publisher
Elsevier BV
Published
2016-11
Volume
58
Pages
63-68
ISSN
0889-1591 (ISSN-L)
OpenAlex
W2395742414
Cited by
53
References
29
Citations by year
2026: 1 · 2025: 5 · 2024: 5 · 2023: 3 · 2022: 5 · 2021: 6 · 2020: 3 · 2019: 14 · 2018: 5 · 2017: 4 · 2016: 2
FWCI
7.80
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Behavior and Immunity (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • Oskar-Bordeaux (Universite de Bordeaux) (submittedVersion)
Funders
Agence Nationale de la Recherche (ANR-11-JSV1-0006)
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
Keywords
obesity, low-grade inflammation, cognitive flexibility, set-shifting, high-sensitivity C-reactive protein, CANTAB
MeSH terms
Adult, Attention, C-Reactive Protein, Female, Humans, Inflammation, Male, Obesity, Executive Function

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