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Testing the dual pathway model of ADHD in obesity: a pilot study

Testing the dual pathway model of ADHD in obesity: a pilot study
Testing the dual pathway model of ADHD in obesity: a pilot study
Introduction: there may be shared neuropsychological dysfunctions in ADHD and obesity. This study tested a neuropsychological model of ADHD (reward/executive dysfunctioning) in individuals with obesity. Further, the association between comorbid binge eating and reward/executive dysfunction was explored.

Methods: reward/executive dysfunctioning was assessed using both neuropsychological measures and questionnaires in individuals (aged 17-68) with obesity (N=39; mean BMI=39.70) and normal weight (N=25; mean BMI=22.94).

Results: no significant difference emerged between individuals with and without obesity on the outcome measures. However, individuals with obesity and binge eating showed significantly more self-reported delay discounting and inattention than those individuals with obesity but without binge eating. When controlling for inattention, this difference in delay discounting was no longer significant.

Discussion: not obesity alone, but obesity with binge eating was associated with a mechanism often reported in ADHD, namely delay discounting. However, this effect may be more driven by inattention than by binge eating alone.
van der Oord, Saskia
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Braet, Caroline
d17e91c2-499e-441f-a105-1761eed30b89
Cortese, Samuele
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Claes, Laurence
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van der Oord, Saskia
c6f89aff-e14e-419d-9e32-98f91656956f
Braet, Caroline
d17e91c2-499e-441f-a105-1761eed30b89
Cortese, Samuele
53d4bf2c-4e0e-4c77-9385-218350560fdb
Claes, Laurence
82b33dbb-8f01-44bb-8908-96de8e7a7466

van der Oord, Saskia, Braet, Caroline, Cortese, Samuele and Claes, Laurence (2017) Testing the dual pathway model of ADHD in obesity: a pilot study. Eating and Weight Disorders. (doi:10.1007/s40519-017-0375-z).

Record type: Article

Abstract

Introduction: there may be shared neuropsychological dysfunctions in ADHD and obesity. This study tested a neuropsychological model of ADHD (reward/executive dysfunctioning) in individuals with obesity. Further, the association between comorbid binge eating and reward/executive dysfunction was explored.

Methods: reward/executive dysfunctioning was assessed using both neuropsychological measures and questionnaires in individuals (aged 17-68) with obesity (N=39; mean BMI=39.70) and normal weight (N=25; mean BMI=22.94).

Results: no significant difference emerged between individuals with and without obesity on the outcome measures. However, individuals with obesity and binge eating showed significantly more self-reported delay discounting and inattention than those individuals with obesity but without binge eating. When controlling for inattention, this difference in delay discounting was no longer significant.

Discussion: not obesity alone, but obesity with binge eating was associated with a mechanism often reported in ADHD, namely delay discounting. However, this effect may be more driven by inattention than by binge eating alone.

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EWD14112016 - Accepted Manuscript
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Accepted/In Press date: 21 February 2017
e-pub ahead of print date: 7 March 2017

Identifiers

Local EPrints ID: 416700
URI: http://eprints.soton.ac.uk/id/eprint/416700
PURE UUID: e57ef653-830e-49a1-8c42-fc97fc3a9243
ORCID for Samuele Cortese: ORCID iD orcid.org/0000-0001-5877-8075

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Date deposited: 05 Jan 2018 17:30
Last modified: 16 Mar 2024 06:04

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Contributors

Author: Saskia van der Oord
Author: Caroline Braet
Author: Samuele Cortese ORCID iD
Author: Laurence Claes

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