Sentences with phrase «brain reward region»

These deficits can not be unambiguously ascribed to reduced DA release (because decreases in nondisplaceable binding potential were not blunted) but could reflect a downstream postsynaptic effect that in the ventral striatum (brain reward region) might contribute to marijuana's negative emotionality and addictive behaviors.

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.

Not exact matches

In fact, we almost can't help sharing our thoughts and feelings: Research also shows that talking about ourselves, whether in person or on social media, triggers the same pleasure sensation in the brain as does money or food — self disclosure causes increased activity in brain regions associated with the sense of reward and satisfaction from money, food and even sex.

The brain regions that process reward, motivation, and taste didn't react as strongly, whereas the areas that promote overall self - control had a boost in activity.

In brain - imaging studies, teen brains show more activation in regions that process rewards, motivations and emotions (the socioaffective circuitry in the subcortical, limbic regions) compared to children and adults.

Volkow walked through how the analgesic and rewarding effects of opioids are expressed in pain terminals in the spinal cord and in the brain where the drugs impact regions that regulate reward and pleasure.

The results are largely consistent with a growing body of research about the neural basis of aggression, and how it is triggered by changes in the way that the prefrontal cortex, the limbic system and reward - related regions of the brain function.

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.

The level of the reward chemical dopamine you have in a brain region may determine your reply.

The brain scans allowed the researchers to compare unconscious with conscious responses and showed that a reward - judging region of the brain, the ventral palladium, became active in both cases.

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.

She had learned that fibromyalgia patients struggled to access certain opioid - related brain regions, including the ACC — the center of emotion, reward and pain that Petrovic had found played a role in placebos.

This region in the middle of the brain is important in processing emotion, anticipating rewards and registering pain.

Then they would lie in a high - resolution positron emission tomography (PET) scanner for a grueling 90 minutes while the machine took pictures in 2 - millimeter increments of their nucleus accumbens, a region deep in the brain that (among other things) controls reward and motivation.

«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.

The circuit incorporates brain regions involved in reward and pleasure, leading the authors to consider that social dysfunction may stem from reduced enjoyment in social interaction.

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.

Activation of a reward - processing brain region peaks in the morning and evening and dips at 2 p.m., finds a study of healthy young men published in The Journal of Neuroscience.

Those who had no symptoms of depression had either strong family support or heightened activity in two key regions of the brain's reward system: the nucleus accumbens and the medial prefrontal cortex.

In the rested condition, the brain region didn't show any difference between high - and low - reward conditions.

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.

The odors activated reward - related areas of the brain, the same regions that trigger a pleasurable rush of dopamine when we get our hands on a desirable bit of food.

In Callie's scans, Berns observes activation in the caudate, a brain region involved in processing rewards, after exposing her to the smell of his daughter.

At the same time, the obese girls sipping milk shakes showed decreased activation in the striatum, a region near the center of the brain that is studded with dopamine receptors and known to respond to stimuli associated with rewards.

As CaMKII expression has been associated with consolidation and permanence of memories in other brain regions, this switch may reflect the formation of a stronger and more stable opiate reward memory.

Functional MR imaging taken while the animals received either a juice reward or VTA stimulation revealed that both induced activation of brain regions that previous studies in humans and other primates have associated with reward signaling by means of the neurotransmitter dopamine.

This brain region plays a crucial role in linking the need or desire for a given reward — food, sex, etc. — with the motor response to actually obtain that reward.

Previous studies in humans and a variety of animals have shown that the OPFC is part of a network of brain regions that respond to food, sex, and other rewards.

Previous studies have shown that even a simple game like this can activate the brain's reward - processing regions, for which Hariri wants to find the genetic controls.

The alterations were found in the nucleus accumbens, a brain region involved in reward - related learning.

It was probably no coincidence that depression altered this region, since the nucleus accumbens plays an important role in the brain's reward system, helping to set the value we put on things and the pleasure we get from them.

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.

Brain imaging studies have shown that stimulation over this region modulates the functioning of fronto - striatal circuits, leading to the release of dopamine, a key neurotransmitter in reward processing.

The MRI scans showed that obese subjects with binge eating disorder have lower grey matter volumes — a measure of the number of neurons — in the orbitofrontal cortex and striatum of the brain compared to those who do not binge eat; these brain regions are involved in keeping track of goals and rewards.

They analyzed the drugs» effects on the release of dopamine, a neurotransmitter that evokes feelings of pleasure and reward, in a region of the brain known as the nucleus accumbens.

«In this case, brain regions associated with emotion and reward centers show increased connection even when they are not explicitly engaged.»

A cross-section of mouse brain in the nucleus accumbens, a region of the brain known to be involved in reward and motivation, taken by a fluorescence microscope.

The study focused, specifically, on Activin receptors in regions of the brain that are involved in pleasure and reward.

«Our finding of a link between bipolar disorder and the striatum at the molecular level complements studies that implicate the same brain region in bipolar disorder at the anatomical level, including functional imaging studies that show altered activity in the striatum of bipolar subjects during tasks that involve balancing reward and risk,» said TRSI Research Associate Rodrigo Pacifico, who was first author of the new study.

As the study was conducted in a brain scanner at the LIFE&BRAIN Center in Bonn, researchers could also show that products labeled with this emblem led to increased activity in specific brain regions: For example, they observed increased activation in regions important for reward processing as well as frontal regions that process abstract product attributes (e.g. whether or not a product carries a Fair Trade logo, and the meaning of such a label).

Long - term, but not short - term, alcohol consumption promotes proteasome - mediated degradation of the nuclear histone deacetylases HDAC4 and HDAC5 in the nucleus accumbens, a brain region critical for reward - based memory.

Near - misses thus reinforce your behaviour, which happens by triggering activity in reward - related brain regions like the striatum.

«I bet people exhibiting greater activity in brain regions encoding food reward will be at increased risk for obesity!»

The scans revealed that when praised, 13 of the dogs showed equal or greater levels of brain activity in the region that controls decision - making and signals rewards than when they received food, the scientists will report in an upcoming issue of Social Cognitive and Affective Neuroscience.

It seems to be the same whether you feel a spark of lechery, a surge of jealousy, or the sudden desire to pop somebody in the mouth: The two sides battle it out, the devilish reward system versus the angelic brain regions that hold us in check.

A new study using different brain imaging techniques linked the intensity of an individual's placebo effect to the amount of dopamine (a neurotransmitter involved in the pleasure and reward pathway) released in a midbrain region called the nucleus accumbens.

Similarly, getting a fair offer — even if it was small in absolute terms — activated regions in the brain such as the ventral striatum and the ventromedial prefrontal cortex that are involved in automatic and intuitive reward processing.

Dr Lawrence, of Psychology, said: «Our findings show for the first time that gamblers have an exaggerated theta response to almost winning in brain regions related to reward processing, which could contribute to them continuing to gamble despite their losses.

Activity in this brain region has been linked to increased motivation to seek out rewards, including food or drugs.

Compared with glucose, fructose activates brain regions that enhance the psychological reward of eating