[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 …

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 …

[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 …

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 …

[HTML][HTML] Crème de la créature: dietary influences on behavior in animal models

M Sarangi, M Dus - Frontiers in Behavioral Neuroscience, 2021 - frontiersin.org
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 …

[HTML][HTML] Self-reported intake of high-fat and high-sugar diet is not associated with cognitive stability and flexibility in healthy men

H Hartmann, LK Janssen, N Herzog, F Morys… - Appetite, 2023 - Elsevier
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 …

[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 …

Altered between-network connectivity in individuals prone to obesity

KT Legget, KP Wylie, MA Cornier, BD Berman… - Physiology & …, 2021 - Elsevier
Objective Investigating intrinsic brain functional connectivity may help identify the
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

AI Heriseanu, P Hay, L Corbit, S Touyz - Journal of eating disorders, 2020 - Springer
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 …

[HTML][HTML] Power of mind: Attentional focus rather than palatability dominates neural responding to visual food stimuli in females with overweight

S Franssen, A Jansen, J van den Hurk, A Roebroeck… - Appetite, 2020 - Elsevier
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 …