Cortico-limbic responsiveness to high-calorie food images predicts weight status among women

William Killgore, M. Weber, Z. J. Schwab, M. Kipman, S. R. Deldonno, C. A. Webb, S. L. Rauch

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Objectives:Excessive weight gain and obesity are currently among the world's major threats to health. Women show significantly higher rates of obesity and eating disorders relative to men, but the factors contributing to these gender differences remain uncertain. We examined the correlations between regional brain responses to images of high-calorie versus low-calorie foods and self-reported motivational status, including ratings of general appetite, overeating propensity, state hunger and desire for specific foods.Subjects: Thirty-eight healthy right-handed adults (22 male; 16 female) ages 18-45 participated. There were no differences between males and females with regard to age or body mass index (BMI).Results:Overall, motivational status correlated significantly with activation within the amygdala, insula and orbitofrontal cortex. Regional activation was then used to predict BMI, an indicator of long-term food consumption and energy expenditure. The combined model was significant, accounting for 76% of the variance in BMI for women, whereas the same regions were not predictive of weight status among men.Conclusions:Findings suggest that long-term weight status is related to visual responsiveness to calorie-dense food imagery among women.

Original languageEnglish (US)
Pages (from-to)1435-1442
Number of pages8
JournalInternational Journal of Obesity
Volume37
Issue number11
DOIs
StatePublished - Nov 2013
Externally publishedYes

Fingerprint

Women's Rights
Weights and Measures
Food
Body Mass Index
Obesity
Hyperphagia
Hunger
Imagery (Psychotherapy)
Appetite
Amygdala
Prefrontal Cortex
Energy Metabolism
Weight Gain
Health
Brain

Keywords

  • appetite
  • fMRI
  • food
  • neuroimaging
  • sex differences

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics
  • Endocrinology, Diabetes and Metabolism

Cite this

Killgore, W., Weber, M., Schwab, Z. J., Kipman, M., Deldonno, S. R., Webb, C. A., & Rauch, S. L. (2013). Cortico-limbic responsiveness to high-calorie food images predicts weight status among women. International Journal of Obesity, 37(11), 1435-1442. https://doi.org/10.1038/ijo.2013.26

Cortico-limbic responsiveness to high-calorie food images predicts weight status among women. / Killgore, William; Weber, M.; Schwab, Z. J.; Kipman, M.; Deldonno, S. R.; Webb, C. A.; Rauch, S. L.

In: International Journal of Obesity, Vol. 37, No. 11, 11.2013, p. 1435-1442.

Research output: Contribution to journalArticle

Killgore, W, Weber, M, Schwab, ZJ, Kipman, M, Deldonno, SR, Webb, CA & Rauch, SL 2013, 'Cortico-limbic responsiveness to high-calorie food images predicts weight status among women', International Journal of Obesity, vol. 37, no. 11, pp. 1435-1442. https://doi.org/10.1038/ijo.2013.26
Killgore, William ; Weber, M. ; Schwab, Z. J. ; Kipman, M. ; Deldonno, S. R. ; Webb, C. A. ; Rauch, S. L. / Cortico-limbic responsiveness to high-calorie food images predicts weight status among women. In: International Journal of Obesity. 2013 ; Vol. 37, No. 11. pp. 1435-1442.
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