Science news articles about 'nucleus accumbens'
What's mine is mine: Brain scans reveal what's behind the aversion to loss of possessions
... other products and cash. The researchers focused on three relevant brain regions, the nucleus accumbens (NAcc), which is associated with the prediction of monetary gain and product preference, the ...Study shows that chronic grief activates pleasure areas of the brain
... a picture of their loved one, only individuals with complicated grief showed significant nucleus accumbens activations. Complicated grief can be debilitating, involving recurrent pangs of painful ...Brain chemical shown to induce both desire and dread
... with the study. Berridge speculates that disruption of dopamine neurotransmission in one region of the nucleus accumbens may be a mechanism for pathological excesses of fear in disorders such as ...UT Southwestern scientists' findings may lead to new drug-abuse treatments
... changes, the researchers varied the level of the protein in an area of the brain called the nucleus accumbens. This region is associated with the feelings of reward that drug addicts seek. Brain ...Independent brain pathways generate positive or negative reappraisals of emotional events
... the vlPFC with regulation of negative emotion during reappraisal. One pathway, which involved the nucleus accumbens, predicted greater reductions in negative emotion during reappraisal while the other ...Sugar can be addictive, Princeton scientist says
... team also have found that a chemical known as dopamine is released in a region of the brain known as the nucleus accumbens when hungry rats drink a sugar solution. This chemical signal is thought to ...Brain mechanisms of social conformity
... to influence by group opinion. Specifically, they examined the rostral cingulate zone (RCZ) and the nucleus accumbens (NAc). The RCZ is thought to play a role in monitoring behavioral outcomes, and ...Drug being used to improve cognition affects dopamine, suggesting potential for abuse
... for addiction in vulnerable persons merits heightened awareness." Modafinil also increased dopamine in the nucleus accumbens, a brain region critical for the rewarding effects of drugs of abuse. " ...UCI researchers find new way to fight cocaine addiction
... brain during eating, sex and drug use. Heightened levels of the neurotransmitter have been detected in the nucleus accumbens of drug addicts. The study is the first to detail the interaction of MCH ...Cocaine-linked genes enhance behavioral effects of addiction
... indicated that addiction to drugs such as cocaine is associated with altered gene expression in the nucleus accumbens (NAc), a region of the brain that is involved in motivation, pleasure, and reward. ...In adolescence, girls react differently than boys to peers' judgments
... study found that in older girls (as compared to younger girls), brain regions (the nucleus accumbens, insula, hypothalamus, hippocampus, and amygdala) associated with social rewards and motivation, ...Stress-induced changes in brain circuitry linked to cocaine relapse
... -- might re-ignite extinguished drug-seeking behaviors by weakening the serotonin tone of the nucleus accumbens. These findings, Bruchas said, are only a first, foundational step. Still to be ...New therapy gives hope for very severe depression
... of time. Stimulation changes the brain metabolism But what is the exact effect of the stimulation of the nucleus accumbens? 'We were able to show using functional brain imaging methods that the ...
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