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Aug 15, 2013 · While the task used in this study did not measure instrumental action or habitual behavior directly, the activation of the dorsal putamen (habit) in the high chronic stress group and the anterior caudate (goal-directed control) in the low chronic stress group in response to high-calorie food cues highlights the previous neuroimaging findings implicating these two regions in the roles of ...
- Matthew S. Tryon, Cameron S. Carter, Rashel DeCant, Kevin D. Laugero, Kevin D. Laugero
- 2013
Responses to food cues include psychological responses (e.g., craving, urge), physiological changes (salivation, hormone secretion), and neurocognitive responses (brain activation and allocation of attentional resources) [13]. Thus, it is important to understand the psychological, behavioral, and neurobiological mechanisms that underly FCR.
A hypocortisolemic signature and more consumption of high calorie foods from the snack buffet were observed in the HCS group. These results suggest that persistent stress exposure may alter the brain's response to food in ways that predispose individuals to poor eating habits which, if sustained, may increase risk for obesity.
Aug 15, 2013 · In women reporting higher chronic stress (HCS), pictures of high calorie foods elicited exaggerated activity in regions of the brain involving reward, motivation, and habitual decision-making. In response to pictures of high calorie food, higher chronic stress was also associated with significant deactivation in frontal regions (BA10; BA46) linked to strategic planning and emotional control.
- Matthew S. Tryon, Cameron S. Carter, Rashel DeCant, Kevin D. Laugero, Kevin D. Laugero
- 2013
Acute and chronic exposure to stress can alter both the quantity and quality of calories consumed, and stress-induced alterations in food intake and energy balance can interact with emotional state (Epel et al., 2001). However, although functional associations among stress, food intake/energy balance, and emotion are readily apparent, mechanisms linking these outcomes are poorly understood.
Jun 8, 2023 · But this combination has an unhealthy downside. According to Sydney scientists, stress combined with calorie-dense 'comfort' food creates changes in the brain that drive more eating, boost ...
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This 2013 study assessed whether chronic stress influences activation in reward, motivation and execution brain regions by performing functional magnetic resonance imaging (fMRI) on 30 women while they viewed pictures of high-calorie and low-calorie foods. On separate lab visits, food consumption from a snack food buffet in addition to circulating cortisol levels were examined. The […]
