Interoception, eating behaviour and body weight

Robinson, Eric; Marty, Lucile; Higgs, Suzanne; Jones, Andrew

doi:10.1016/j.physbeh.2021.113434

Cited by 28 publications

(19 citation statements)

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“…Deficits in interoception could therefore result in internal appetite signals that encourage satiety being less strongly weighted into eating and food-related decision-making [16], which in turn would be hypothesised to increase the risk of weight gain in the modernday 'obesogenic' food environment. In line with this proposal, participants with lower self-reported interoceptive accuracy are less likely to report eating in response to internal and satiety signals [17,18]. Interoceptive processes may also contribute to the development of obesity through emotional regulation.…”

Section: Introductionmentioning

confidence: 65%

“…However, recent studies have not consistently found significant associations between interoception and BMI [21,25,26]. For example, both Young et al [21] and Mata et al [25] found no association between BMI and objective measures of cardiac interoceptive accuracy, whereas Robinson et al [27] found a significant negative association between BMI and self-reported perceived interoceptive accuracy. Likewise, two recent studies adopting different measures of interoceptive sensibility found no significant association between sensibility and BMI [26,27].…”

Section: Introductionmentioning

confidence: 98%

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Interoception and obesity: a systematic review and meta-analysis of the relationship between interoception and BMI

et al. 2021

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Background Interoception refers to the processes by which we sense, interpret and integrate signals originating from within the body. Deficits in interoception have been linked to higher BMI and may contribute to weight gain. However, there have been conflicting findings and it is not clear how higher BMI is associated with different facets of interoception, such as interoceptive accuracy (the ability to detect internal signals) and sensibility (the tendency to attend to internal signals). Methods We conducted a systematic review and meta-analysis of studies that measured interoception and BMI. We examined relationships between interoception and BMI in children and adults separately and as a function of interoceptive facet and measure. In sensitivity analyses, we tested for evidence of publication bias and whether the results were consistent when studies with a high risk of bias were excluded. Results A total of 87 articles were eligible for inclusion. In adults (121 effects, 10,425 participants), there was cross-sectional evidence of higher BMI being associated with overall deficits in interoception (r = −0.054, 95% CI: −0.084 to −0.025) and this was consistent across sensitivity analyses. There was no statistically significant evidence of moderation by interoceptive facet or measure, although there was some variability in effect size estimates based on interoceptive facet and measures. A smaller meta-analysis limited to studies that compared participants with normal weight vs. overweight/obesity indicated poorer interoception in participants with overweight/obesity (SMD = −0.39, 95% CI −0.60 to −0.18). Conclusions In cross-sectional studies, deficits in interoception are associated with higher BMI. However, it remains unclear whether deficits in interoception contribute to or are a consequence of weight gain and obesity.

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Section: Introductionmentioning

confidence: 65%

Section: Introductionmentioning

confidence: 98%

Interoception and obesity: a systematic review and meta-analysis of the relationship between interoception and BMI

et al. 2021

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“…Our task may have identified effects of IN insulin on processing of interoceptive signals in both lean women and women with obesity, but whether these actions were translated into reduced food intake could have depended upon downstream neural processes during food consumption that varied according to BMI status. One possibility is that women with obesity may have impaired interoception [ 51 ] and thereby benefit from enhanced interoceptive signals more than lean women.…”

Section: Discussionmentioning

confidence: 99%

The effect of intranasal insulin on appetite and mood in women with and without obesity: an experimental medicine study

et al. 2022

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Background/Objectives Intranasal (IN) administration of insulin decreases appetite in humans, but the underlying mechanisms are unclear, and it is unknown whether IN insulin affects the food intake of women with obesity. Subjects/Methods In a double-blind, placebo-controlled, crossover design, participants (35 lean women and 17 women with obesity) were randomized to receive 160 IU/1.6 mL of IN insulin or placebo in a counterbalanced order in the post prandial state. The effects of IN insulin on cookie intake, appetite, mood, food reward, cognition and neural activity were assessed. Results IN insulin in the post prandial state reduced cookie intake, appetite and food reward relative to placebo and these effects were more pronounced for women with obesity compared with lean women. IN insulin also improved mood in women with obesity. In both BMI groups, IN insulin increased neural activity in the insula when viewing food pictures. IN insulin did not affect cognitive function. Conclusions These results suggest that IN insulin decreases palatable food intake when satiated by reducing food reward and that women with obesity may be more sensitive to this effect than lean women. Further investigation of the therapeutic potential of IN insulin for weight management in women with obesity is warranted.

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“…Ephimia Morphew-Lu defined the diet-mental health relationship (DMHR) as a concept of how humans think, behave, feel and experience in the context of nutrition. Nutritional psychology is the growing field of a study aiming to characterise the DMHR: more specifically, the study of behaviour [75], cognition [76], sensation [77], perception [78], psychosocial factors [79], interoception [80] and psychological health, mood, and wellbeing [81,82] in relation to diet. A growing body of empirical evidence illustrates the ways in which dietary intake affects psychological functioning and mental health [70,[81][82][83][84].…”

Section: Nutritional Psychiatry and Psychologymentioning

confidence: 99%

Identifying Future Study Designs for Mental Health and Social Wellbeing Associated with Diets of a Cohort Living in Eco-Regions: Findings from the INSUM Expert Workshop

Elsner

Matthiessen

Średnicka-Tober

et al. 2022

IJERPH

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Diets influence our mental health and social wellbeing (MHSW) in multiple ways. A rising community concept, Eco-Regions, has gained interest. The research project “Indicators for assessment of health effects of consumption of sustainable, organic school meals in Ecoregions” (INSUM) aims to develop future-oriented research approaches to measure the potential health effects of more sustainable and healthy diets. This first part of the project focuses on MHSW with the goal to identify suitable study designs and indicators. The methodology is based on a 2-day workshop with an interdisciplinary group of experts. This paper describes commonly applied research methods on the nexus between diet and MHSW as presented by the experts and summarises key points from the discussions. The results show that the dominating tool to investigate MSHW is questionnaires. Questionnaires vary largely depending on the research design, such as participants or distribution channels. Cohort studies addressing families and including in-depth interventional and/or experimental studies may be suitable for an Eco-Region investigation. Those MHSW studies can be conducted and combined with measurements of somatic health effects. We conclude that indicators should be seen as complementary rather than independent. Explorative research designs are required to investigate complex Eco-Regions.

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Interoception, eating behaviour and body weight

Cited by 28 publications

References 41 publications

Interoception and obesity: a systematic review and meta-analysis of the relationship between interoception and BMI

Interoception and obesity: a systematic review and meta-analysis of the relationship between interoception and BMI

The effect of intranasal insulin on appetite and mood in women with and without obesity: an experimental medicine study

Identifying Future Study Designs for Mental Health and Social Wellbeing Associated with Diets of a Cohort Living in Eco-Regions: Findings from the INSUM Expert Workshop

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