Sentences with phrase «reward regions»

Overall, they found that adolescent girls with greater BMI showed increased reward region activation in response to food images.
But some appear to have fewer dopamine D2 receptors in key reward regions of the brain than other people — much like drug addicts.
In a novel study using functional Magnetic Resonance Imaging (fMRI) Stice's team tested whether individual differences in reward region responsivity predicted overweight / obesity onset among initially healthy weight adolescents and substance use onset among initially abstinent adolescents.
This finding provides the first evidence that even a relatively short period of moderate substance use might reduce reward region responsivity to a general reinforcer.
The researchers initially studied the mitochondria in cocaine - exposed mice and determined that mitochondria fission increased in the major reward region of the brain.
In ventral striatum (key brain reward region), MP - induced reductions in DVs and BPND (reflecting DA increases) were inversely correlated with scores of negative emotionality, which were significantly higher for marijuana abusers than controls.
«The self - expansion activities yielded significantly greater activation in a major reward region of the brain, which is associated with addictive behaviors, than did non-expanding conditions.
Higher plasma glucose levels correlated with greater brain activity in executive control centers in the ACC and ventromedial PFC, whereas higher levels of plasma cortisol, but not other hormones, were correlated with greater activation in reward regions, such as the insula and putamen (P < 0.01, corrected), in response to high - calorie food cues.
One study showed that these kinds of parents have higher activation in the amygdala, or fear regions of the brain in contrast to parents who are in synchrony with their infants and the reward regions (the nucleus accumbens) of the brain are activated.
Cuomo says the competition will reward the regions that come up with the best plans for revitalizing their economies.
In mice exposed repeatedly to cocaine, UMSOM researchers identified an increase in a molecule that plays a role in mitochondria division (or fission) in a reward region of the brain.
It's unclear whether people can do something to boost activity of these key brain regions, especially as they age and their ability to heighten activity in these reward regions weakens, Galván said.
Furthermore, monitoring of the reward regions of the brain revealed that the dogs responded best when praising words were used in combination with praising intonation.
The results indicated that elevated responsivity of reward regions in the brain increased the risk for future substance use, which has never been tested before prospectively with humans.
In addition, monitoring the reward regions of the brain revealed that the dogs responded best when they heard praising words spoken with a praising intonation.
In a recent study published in the journal Proceedings of the National Academy of Sciences, researchers examined participants» brains in an MRI scan during a craving and found that paying attention to a goal, such as getting in shape, activates the prefrontal cortex — a part of the brain that can inhibit the reward region.
Another study published in Cognitive Neuroscience examined the brains of chronic dieters, and found that those with higher body fat percentages had a weaker connection between two areas in the brain: the part that manages executive control, and the reward region.
Researchers found that there was a larger amount of «activity» in the reward region of the brain when subjects were able to share information with friends and family members, than there was when they were forced to keep the information to themselves.
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