Sentences with phrase «reward circuitry»

Power activates the very same reward circuitry in the brain and creates an addictive «high» in much the same way as drug addiction.

Traditionally, research into the neurobiological substrate of drug addiction has focused on the mesolimbic dopamine reward circuitry.

In fact, attractive faces activate the same reward circuitry in the brain as food, drugs and money.

It is addictive and functions on the basis of ready - made reward circuitries in the brain, producing extreme pleasure.

The wick in the candle of learning: Epistemic curiosity activates reward circuitry and enhances memory.

Initial analyses examined task effects in the entire group to verify the activation of the hypothesized mesolimbic reward circuitry by the task.

Studies of the neurochemistry of power have found that power, as pleasure, is based on the same neural reward circuitry, leading to an increase in the dopamine level and a subsequent drive to seek more power.

When something good is encountered — for example, chocolate — the neurons in the VTA fire more rapidly, enforcing reward circuitry that encodes the idea that chocolate is enjoyable and something to be sought out.

This lack of a physical response suggests that marijuana abusers might have damaged reward circuitry in their brains, Volkow and her team report online today in the Proceedings of the National Academy of Sciences.

When Lieberman increased the money being offered, he found that accepting a share that was larger but still unfair — say, $ 8 out of $ 23 — was linked not with reward circuitry but with increased activity in the ventrolateral prefrontal cortex and downregulation of the anterior insula, changes often seen during the regulation of negative feelings.

«The findings are important because this is the first test of whether atypical responsivity of reward circuitry increases risk for substance use,» says Dr. Stice.

Investigators examined the extent to which reward circuitry (e.g., the striatum) was activated in response to receipt and anticipated receipt of money.

She is interested the brain's reward circuitry as it relates to addictive behaviors and obesity.

Toward an improved understanding of corticobasal ganglia reward circuitry in adolescent depression Ho TC, Auerbach RP.

Since laughter is associated with activity in the brain's dopamine reward circuitry, it encourages babies to explore the world by making them feel happy and safe.

High - calorie and exceedingly pleasurable foods appear to change rat brain rewards circuitry, causing the rodents to continue to seek such fare.

Much like addictive drugs, power uses these ready - made reward circuitries, producing extreme pleasure.

Situations that are normally socially rewarding fail to activate brain - reward circuitry in autistic children, Izuma adds, so they may also find the idea of a good social reputation less rewarding.

This reward circuitry works similarly with power.

As I have written before, power is addictive and manifests at neurochemical level through a reward circuitry of dopamine flow, the same transmitter responsible for producing a sense of pleasure.

In the monogamous voles, oxytocin receptors were planted firmly in the reward circuitry of the brain.

Like those of the monogamous prairie vole, human oxytocin receptors are located in several dopamine - rich regions of the brain, suggesting that oxytocin is embedded in our reward circuitry.

Within our reward circuitry we have two separate systems, one for calculating the value of rewards and another for assessing the risks involved in getting them.

They compared the effect of both drinks on brain activity in the dorsal striatum, a key part of the brain's reward circuitry.

The researchers studied how active the reward circuitry of their brains was when anticipating and receiving money to learn whether there were differences between the two groups in the key brain regions.

This is consistent with findings, from a large literature of studies on depression and reward circuitry, that depression is characterized by less activity in the brain's reward system.

To regulate mood, the prefrontal cortex acts as a pacemaker to coordinate the actions of the amygdala, which governs stress responses, and the ventral tegmental area, which plays a role in the brain's reward circuitry.

«The people who initially find that milk shake most orgasmic will want more of it, but in so doing they cause neuroplastic changes that downregulate the reward circuitry, driving them to eat more and more to regain that same feeling they crave.»

After an eight - minute training period, the subjects showed heightened levels of activity in areas known to be part of the brain's reward circuitry, the amygdala and the orbitofrontal cortex (OFC), associated with the pictures alone.

Drug abuse produces long - term changes in the reward circuitry of the brain.

«Many psychological disorders such as addiction, obesity, and depression involve poor regulation of reward circuitry.

Or maybe prolonged marijuana abuse is actually damaging their brains» reward circuitry, leading to the apathy and social withdrawal that marijuana abusers often experience.

The most interesting finding, the researchers say, is that after the stress, the reward circuitry looked normal at first glance when they examined the rats» neurons.

From this, the team now has an inroad to observe how the reward circuitry is altered by stress, providing a model system to probe related brain physiology.

To reverse the negative effects of the erroneous excitatory signal, the team chemically prevented the excitatory switch within the reward circuitry.

They say these results may have implications for people's ability to limit their intake of certain kinds of foods, because the brain's reward circuitry is similar in all mammals.

And our diet may be at least partly to blame: Gobbling down the delicious high - fat, high - sugar foods many of us enjoy appears to reduce the number of dopamine D2 receptors in the brain's reward circuitry and leads to compulsive overeating.

Previous studies have found that poverty, trauma, mental illness and other environmental and physiological stressors can alter the brain's reward circuitry and make us more susceptible to substance abuse.

While the subjects pondered how loud to set the volume, the dorsal striatum, part of the brain's reward circuitry, lit up at the prospect of retaliation.

The observation of different coping mechanisms led the team to probe the animals» brains, where they discovered that the level of a certain protein in its reward circuitry determines whether the mice will be traumatized for several weeks or only temporarily down.

The most enjoyable sins engage the brain's reward circuitry, including evolutionarily ancient regions such as the nucleus accumbens and hypothalamus; located deep in the brain, they provide us such fundamental feelings as pain, pleasure, reward, and punishment.

Paradoxically, results also provide evidence that even a limited history of substance use was related to less responsivity in the reward circuitry, as has been suggested by experiments with animals.

His lab will next investigate how reduced - carbohydrate and reduced - fat diets affect the brain's reward circuitry, as well as its response to food stimuli.

A top priority now is to identify the direct genetic targets of Hnrnph1 within the reward circuitry.

The Clock gene, widely appreciated as a driver of circadian rhythms, has now been shown to aid in regulating the brain's reward circuitry, which is triggered by drugs of addiction, such as cocaine...

The goal of my research is to understand the effects of Deep Brain Stimulation in Obsessive Compulsive Disorder, using fMRI and SPECT and focussing on the brain reward circuitry.

What they found was that the reward circuitry in the brain was firing much brighter when given cookies than when given the drugs.

Checking our devices activates the reward circuitry in the brain, triggering the body to release a hit of the «pleasure hormone» dopamine, which is exactly what happens when we gamble, says Dr. Greenfield.