Brain reward system's alterations in response to food and monetary stimuli in overweight and obese individuals

Brain reward system's alterations in response to food and monetary stimuli in overweight and obese individuals

The brain's reward system is crucial to understand obesity in modern society, as increased neural responsivity to reward can fuel the unhealthy food choices that are driving the growing obesity epidemic. Brain's reward system responsivity to food and monetary rewards in individuals with ex...

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Veröffentlicht in:Human brain mapping 2017-02, Vol.38 (2), p.666-677
Hauptverfasser: Verdejo‐Román, Juan, Vilar‐López, Raquel, Navas, Juan F., Soriano‐Mas, Carles, Verdejo‐García, Antonio
Format: Artikel
Sprache:eng
Schlagworte:
Adult
Aged
Analysis of Variance
Appetite
Body Mass Index
Brain - diagnostic imaging
Brain - physiopathology
Feedback
Female
fMRI
Food
Humans
Image Processing, Computer-Assisted
Magnetic Resonance Imaging
Male
Middle Aged
monetary
obesity
Obesity - pathology
Obesity - physiopathology
Obesity - psychology
overweight
Overweight - pathology
Overweight - physiopathology
Overweight - psychology
Reward
Visual Analog Scale
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Zusammenfassung:The brain's reward system is crucial to understand obesity in modern society, as increased neural responsivity to reward can fuel the unhealthy food choices that are driving the growing obesity epidemic. Brain's reward system responsivity to food and monetary rewards in individuals with excessive weight (overweight and obese) versus normal weight controls, along with the relationship between this responsivity and body mass index (BMI) were tested. The sample comprised 21 adults with obesity (BMI > 30), 21 with overweight (BMI between 25 and 30), and 39 with normal weight (BMI 
ISSN:1065-9471
1097-0193
DOI:10.1002/hbm.23407