Sentences with phrase «reward circuit»

The phrase "reward circuit" refers to a system in our brain that gives us a good feeling or pleasure when we do something pleasurable or rewarding, like eating something tasty or accomplishing a goal. It helps motivate us to repeat those behaviors. Full definition
Brain scans showed the drug affected the same reward circuit that it did in animals.
They're key components of what scientists call the dopamine reward circuit, which is responsible for distributing dopamine throughout the brain.
Most drugs affect the brain's reward circuit by flooding it with the chemical messenger dopamine.
The brain encourages these contortions, activating reward circuits in response to biased reasoning that gives a high akin to a junkie's.
«Your brain's reward circuit lights up when you multitask,» Rock says, meaning that you get an emotional high when you're doing a lot at once.
And when neutral conjunctive words were spoken in a positive tone — essentially forming a gibberish sentence — the dogs» reward circuits did not respond at all.
For the first time, neuroscientists have boosted a female rodent's partnering with a male by stimulating connectivity of a brain reward circuit.
In this study, we show that a recurrent reward circuit underlies the formation and consolidation of LTM.
«We know that drugs of abuse activate reward circuits that are built for food rewards, so you could see that they could be similar, and there are some aspects of obesity which seem comparable to drug addiction.»
According to a study published in January by neuroscientist Valorie Salimpoor at the Montreal Neurological Institute, music can activate the same reward circuits in the brain as food and sex.
16 Sweet treats and alcohol fire up many of the same reward circuits in the brain.
It is only when the brain perceives a reasonable possibility of success for achieving a desirable goal that it invests the energy and activates the dopamine reward circuit.
For some people, palatable foods invoke such a strong response in the brain's reward circuit — and so dramatically alter their biology — that willpower will rarely, if ever, be sufficient to resist eating those foods once they are around.
A wide variety of vertebrates also are known to have «reward circuits» in their brains.
Looking inside the brains of animals exposed to chronic social defeat stress, the scientists observed hyperactive firing of neurons in the ventral tegmental area (VTA), a critical part of a reward circuit.
Unlike many clinical trials that emphasize relief of symptoms as their primary objective, the ezogabine study's goal is to gauge how well the therapy addresses some of the biological underpinnings of depression — in this case, whether the drug lessens the hyperactivity of the reward circuit that includes VTA neurons.
The mice cranked out this protein in their reward circuits, a brain area that drives us to seek pleasure - inducing experiences and a key component in addiction.
In that third round, the participants responded positively, activating areas in their brains that some scientists call the «reward circuit» — or the «ventral striatum.»
«Binding to these opioid receptors activates this reward circuit and basically every substance abuse activates this circuit.»
This work provides an insight into the areas of the brain that are activated when an individual is presented with an aversive food and suggests that the reward circuit may also encode disgust.
Brain scans showed that donating money activated primitive areas like the ventral tegumentum, part of the brain's reward circuit that lights up in response to food, sex, and other pleasurable activities necessary to our survival.
Even more surprisingly, the researchers observed that areas of the brain, the globus pallidus and the substantia nigra, which participate in the reward circuit (activated when we love something), were more involved in people who do not like cheese than in those who do.
[Amy C. Reichelt, Margaret J. Morris and R. F. Westbrook, Cafeteria diet impairs expression of sensory - specific satiety and stimulus - outcome learning] The researchers think junk - food diets cause lasting changes in the rewards circuits part of the brain — which plays a big role in decision - making.
For decades, clinical and pre-clinical research considered that opiate consumption caused permanent changes in the brain's reward circuits, resulting in a persistent vulnerability to relapse.
From mice to men Larry Zweifel, a pharmacologist at the University of Washington in Seattle who was not involved in Morikawa's or Riley's work, says that the new research shows that drug abuse can change the brain by «strengthening the capacity of neurons in the reward circuit to be strengthened, in effect setting up a positive feedback loop to drive persistent drug seeking.»
These scholars are the first to admit that games can be addictive, and indeed part of their research explores how games connect to the reward circuits of the human brain.
When positive words were combined with neutral tones, however, the reward circuits were slightly less active.
«This study suggests that one factor that may contribute to this inflexibility is that synapses in reward circuits that might promote recovery are silenced,» he said, adding that with better understanding of this phenomenon, engaging these silent synapses during treatment may be an important component of recovery.
«Addiction silences synapses in reward circuits
Serge Luquet's team at the «Biologie Fonctionnelle et Adaptative» laboratory (CNRS / Université Paris Diderot) has demonstrated part of the answer: triglycerides, fatty substances from food, may act in our brains directly on the reward circuit, the same circuit that is involved in drug addiction.
Dr. Childress and colleagues previously found that subliminal drug «reminder cues» (the sights, sounds, smells, and memories of the drug) could activate the brain's reward circuit.
Kimberly Young, PhD, an NIH / NIDA Post-doctoral Fellow at Penn, and first author of the study explained that, «Drug reward and motivation is largely mediated by dopamine transmission in the brain's reward circuit — even drug «reminder cues» can cause dopamine release.
The researchers think that a junk diet causes lasting changes in the reward circuit parts of the rats» brain, for example, the orbitofrontal cortex, an area of the brain responsible for decision - making.
This overstimulation of the reward circuit causes the intensely pleasurable «high» that leads people to take a drug again and again.
This overstimulation of the reward circuit causes the intensely pleasurable «high» that can lead people to take a drug again and again.
High - carb, high - fat fare can trigger the reward circuits in the brain, giving you the feel - good boost you're seeking in the moment.
It's associated with the motivational and emotional systems and the wiring for the reward circuit of the brain.
In addition, novel activities flood the brain's reward circuits, creating an experience that brings you both more pleasure.
«It works on the brain's reward circuit, providing the sensation of novelty,» says Dr. John.
During an MRI, the brain of a person who's in love will be activated in a region called the ventral tegmental area - a key part of the brain's pleasure and reward circuit.
This region is known as the brain's «reward circuit,» part of a pathway that stimulates the production of the neurotransmitter dopamine in response to rewarding experiences — such as celebrating success in achieving a learning goal.
``... the intoxicating prospect of making money can arouse the same reward circuits in the brain that are stimulated by drugs, making the rational mind ignore supposedly extraneous details that are actually very relevant.
We hypothesised that functional variations in the DRD4 gene expressed preferentially in brain regions of the reward circuit might modulate sensitivity to maternal stimuli, which in turn might result in infants» differential sensitivity to aspects of care - giving behaviour.
This is where the frontostriatal pathway comes into play, connecting the medial prefrontal cortex — where some aspects of self - awareness reside — to the ventrostriatal pathway, which is part of the motivation and reward circuit.
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