Evidence map›Paper›PMID 25988110›Full record

ReviewFrontiers in nutrition2014

Neural responses to visual food cues according to weight status: a systematic review of functional magnetic resonance imaging studies.

Kirrilly M Pursey, Peter Stanwell, Robert J Callister, Katherine Brain, Clare E Collins, Tracy L Burrows

Registry-linked trialAbstract readReview
PubMed Full text at PMC Publisher
In one paragraph

Review in Frontiers in nutrition, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04218383 (Effect of Transcranial Direct Current Stimulation), which is not on this map. Cited by 119 papers, 8 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
119citing papers in PubMed, 8 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT04218383 nasuspendednot on this mapstarted 2020, after this paper: background citation

Effect of Transcranial Direct Current Stimulation (tDCS) Applied Over the Orbitofrontal Cortex on Impulsivity and Decision Making in Obese Subjects

TypeinterventionalSponsorUniversity of CalgaryRan2020 to 2022Enrolled30ConditionsImpulsive BehaviorArmsTranscranial Direct Current Stimulation
3 · Its place in the literature

Who cites it

119 citing papers in PubMed, 8 syntheses or guidelines pooled it.

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  7. Sex/gender differences in neural correlates of food stimuli: a systematic review of functional neuroimaging studies.Obesity reviews : an official journal of the International Association for the Study of Obesity · 2017
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59 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Kirrilly M PurseySchool of Health Sciences, Priority Research Centre for Physical Activity and Nutrition, University of Newcastle , Callaghan, NSW , Australia.
Peter StanwellSchool of Health Sciences, Priority Research Centre for Translational Neuroscience and Mental Health, University of Newcastle , Callaghan, NSW , Australia.
Robert J CallisterSchool of Biomedical Sciences and Pharmacy, Priority Research Centre for Translational Neuroscience and Mental Health, University of Newcastle , Callaghan, NSW , Australia.
Katherine BrainSchool of Health Sciences, Priority Research Centre for Physical Activity and Nutrition, University of Newcastle , Callaghan, NSW , Australia.
Clare E CollinsSchool of Health Sciences, Priority Research Centre for Physical Activity and Nutrition, University of Newcastle , Callaghan, NSW , Australia.
Tracy L BurrowsSchool of Health Sciences, Priority Research Centre for Physical Activity and Nutrition, University of Newcastle , Callaghan, NSW , Australia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Emerging evidence from recent neuroimaging studies suggests that specific food-related behaviors contribute to the development of obesity. The aim of this review was to report the neural responses to visual food cues, as assessed by functional magnetic resonance imaging (fMRI), in humans of differing weight status. Published studies to 2014 were retrieved and included if they used visual food cues, studied humans >18 years old, reported weight status, and included fMRI outcomes. Sixty studies were identified that investigated the neural responses of healthy weight participants (n = 26), healthy weight compared to obese participants (n = 17), and weight-loss interventions (n = 12). High-calorie food images were used in the majority of studies (n = 36), however, image selection justification was only provided in 19 studies. Obese individuals had increased activation of reward-related brain areas including the insula and orbitofrontal cortex in response to visual food cues compared to healthy weight individuals, and this was particularly evident in response to energy dense cues. Additionally, obese individuals were more responsive to food images when satiated. Meta-analysis of changes in neural activation post-weight loss revealed small areas of convergence across studies in brain areas related to emotion, memory, and learning, including the cingulate gyrus, lentiform nucleus, and precuneus. Differential activation patterns to visual food cues were observed between obese, healthy weight, and weight-loss populations. Future studies require standardization of nutrition variables and fMRI outcomes to enable more direct comparisons between studies.

Indexed as

fMRIfood cuesfunctional magnetic resonance imagingobesityvisualweight status

Identifiers

PMID25988110
PMCPMC4428493

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.