Rigor and reproducibility via laboratory studies of eating behavior: A focused update and conceptual review

Sysko, Robyn; Steinglass, Joanna E.; Schebendach, Janet; Mayer, Laurel; Walsh, B. Timothy

doi:10.1002/eat.22900

Cited by 27 publications

(21 citation statements)

References 64 publications

(89 reference statements)

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“…Indeed, it has been suggested previously that self-assessed emotional eating may reflect beliefs about emotional eating rather than one's actual eating behavior when being emotional (Adriaanse, de Ridder, & Evers, 2011;Evers, de Ridder, & Adriaanse, 2009). Thus, the present results warrant replication with other methodologies such as laboratory food intake studies (Sysko, Steinglass, Schebendach, Mayer, & Walsh, 2018) or ambulatory assessment (Reichenberger et al, 2018).…”

Section: Discussionsupporting

confidence: 53%

Emotion regulation and emotional eating in anorexia nervosa and bulimia nervosa

et al. 2019

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Section: Discussionsupporting

confidence: 53%

Emotion regulation and emotional eating in anorexia nervosa and bulimia nervosa

et al. 2019

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“…Limitations include the small sample size and laboratory setting, which may not be generalizable to children’s typical meal environment. Despite possibly limited generalizability, laboratory test meals are an accepted paradigm designed to improve the rigor and reproducibility with which food intake can be assessed . It is possible that intake was influenced by the short videos that were played during the meal.…”

Section: Discussionmentioning

confidence: 99%

The FTO Gene and Measured Food Intake in 5‐ to 10‐Year‐Old Children Without Obesity

Ranzenhofer

Mayer

Davis

et al. 2019

Obesity

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Objective: Genetic variation in the first intron of FTO (e.g., single-nucleotide polymorphism [SNP] rs9939609) is strongly associated with adiposity. This effect is thought to be mediated (at least in part) via increasing caloric intake, although the precise molecular genetic mechanisms are not fully understood. Prior pediatric studies of FTO have included youth with overweight and obesity; however, they have not informed whether a genotypic effect on ingestive behavior is present prior to obesity onset. Therefore, this study investigated the association between FTO and caloric intake in children aged 5 to 10 years without obesity (adiposity ≤ 95th percentile). Methods: A total of 122 children were genotyped for rs9939609 and ate ad libitum from a laboratory lunch buffet following a standardized breakfast. Linear regressions, adjusting for body mass, were used to examine the association between FTO "dose" (number of copies of SNP rs9939609) and intake variables. Results: There was a significant association between FTO and total intake. Each risk allele predicted an additional 64 calories, accounting for 3% of the variance. There were no associations between FTO and macronutrient preference, energy density, or diet variety. Results were influenced by race. Conclusions: Results corroborate and extend prior work by showing a dose-dependent effect on food intake in children without obesity.

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“…Participants consumed a standardized breakfast (~300 kcal) 5 hr before the laboratory meal (Sysko, Steinglass, Schebendach, Mayer, & Walsh, ). The multi‐item meal (MIM) consisted of 25 food items placed on a buffet table in a standardized eating laboratory setting.…”

Section: Methodsmentioning

confidence: 99%

Habits are stronger with longer duration of illness and greater severity in anorexia nervosa

Davis

Walsh

Schebendach

et al. 2020

Intl J Eating Disorders

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Objective: The aim of this study was to examine the relationship between habit strength and clinical features of anorexia nervosa (AN). Habit strength, separate from intention, relates to the persistence of behavior, and is measured by the Self-Report Habit Index (SRHI). We hypothesized that habit strength would be greater among individuals with AN than healthy controls (HC) and that habit strength would be associated with duration and severity of illness.Method: Participants were 116 women with AN (n = 69) and HC (n = 47) who completed the SRHI, the Eating Disorder Examination-Questionnaire (EDE-Q), and a multi-item laboratory meal. The SRHI assessed four domains and these subscales were averaged for the total score.Results: Individuals with AN demonstrated significantly greater habit strength than HC in the total score (t 114 = 7.00, p < .01), and within each domain (restrictive eating, compensatory behavior, delay of eating, and rituals). Total SRHI score was significantly associated with EDE-Q scores for both AN and HC groups (r AN = .59, p AN = <.001; r HC = .32, p HC = .030). Among patients, there was a significant association between SRHI and duration of illness (r = .38, p = .001). There was no significant association between SRHI and caloric intake (r AN = −.20, p AN = .10; r HC = −.25, p HC = .09).Discussion: Habit strength was related to chronicity and severity of AN, suggesting that habit formation may play an important role in illness. These data suggest avenues for mechanism research and treatment development. K E Y W O R D Sanorexia nervosa, duration of illness, eating disorders, habit, Self-Report Habit Index

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Rigor and reproducibility via laboratory studies of eating behavior: A focused update and conceptual review

Cited by 27 publications

References 64 publications

Emotion regulation and emotional eating in anorexia nervosa and bulimia nervosa

Emotion regulation and emotional eating in anorexia nervosa and bulimia nervosa

The FTO Gene and Measured Food Intake in 5‐ to 10‐Year‐Old Children Without Obesity

Habits are stronger with longer duration of illness and greater severity in anorexia nervosa

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