[HTML][HTML] Molecular imaging of central dopamine in obesity: A qualitative review across substrates and radiotracers
LK Janssen, A Horstmann - Brain sciences, 2022 - mdpi.com
Dopamine is a neurotransmitter that plays a crucial role in adaptive behavior. A wealth of
studies suggests obesity-related alterations in the central dopamine system. The most direct …
studies suggests obesity-related alterations in the central dopamine system. The most direct …
How are overweight and obesity associated with reinforcement learning deficits? A systematic review
G Weydmann, PM Miguel, N Hakim, L Dube… - Appetite, 2023 - Elsevier
Reinforcement learning (RL) refers to the ability to learn stimulus-response or response-
outcome associations relevant to the acquisition of behavioral repertoire and adaptation to …
outcome associations relevant to the acquisition of behavioral repertoire and adaptation to …
[HTML][HTML] Food memory circuits regulate eating and energy balance
TR Pardo-Garcia, K Gu, RKR Woerner, M Dus - Current Biology, 2023 - cell.com
In mammals, learning circuits play an essential role in energy balance by creating
associations between sensory cues and the rewarding qualities of food. This process is …
associations between sensory cues and the rewarding qualities of food. This process is …
Preliminary evidence for an association between intake of high‐fat high‐sugar diet, variations in peripheral dopamine precursor availability and dopamine‐dependent …
H Hartmann, LK Pauli, LK Janssen… - Journal of …, 2020 - Wiley Online Library
Obesity is associated with alterations in dopaminergic transmission and cognitive function.
Rodent studies suggest that diets rich in saturated fat and refined sugars (HFS), as opposed …
Rodent studies suggest that diets rich in saturated fat and refined sugars (HFS), as opposed …
[HTML][HTML] Crème de la créature: dietary influences on behavior in animal models
In humans, alterations in cognitive, motivated, and affective behaviors have been described
with consumption of processed diets high in refined sugars and saturated fats and with high …
with consumption of processed diets high in refined sugars and saturated fats and with high …
[HTML][HTML] Self-reported intake of high-fat and high-sugar diet is not associated with cognitive stability and flexibility in healthy men
Animal studies indicate that a high-fat/high-sugar diet (HFS) can change dopamine signal
transmission in the brain, which could promote maladaptive behavior and decision-making …
transmission in the brain, which could promote maladaptive behavior and decision-making …
[HTML][HTML] Distinct adaptations of endocrine and cognitive functions may contribute to high variability in long-term weight loss outcome after bariatric surgery
M Lammert, E Medawar, H Hartmann, L Grasser… - Physiology & …, 2023 - Elsevier
Background: Bariatric surgery has been widely recognized as the most efficient long-term
treatment method in severe obesity, yet therapy success shows considerable interindividual …
treatment method in severe obesity, yet therapy success shows considerable interindividual …
Altered between-network connectivity in individuals prone to obesity
Objective Investigating intrinsic brain functional connectivity may help identify the
neurobiology underlying cognitive patterns and biases contributing to obesity propensity. To …
neurobiology underlying cognitive patterns and biases contributing to obesity propensity. To …
[HTML][HTML] Relating goal-directed behaviour to grazing in persons with obesity with and without eating disorder features
Background Both obesity and eating disorders (ED) have been associated with reductions in
purposeful, flexible goal-directed behaviour, and with an overreliance on more rigid habitual …
purposeful, flexible goal-directed behaviour, and with an overreliance on more rigid habitual …
[HTML][HTML] Power of mind: Attentional focus rather than palatability dominates neural responding to visual food stimuli in females with overweight
Research investigating neural responses to visual food stimuli has produced inconsistent
results. Crucially, high-caloric palatable foods have a double-sided nature–they are often …
results. Crucially, high-caloric palatable foods have a double-sided nature–they are often …