Sentences with phrase «in ventromedial»

Brain activity in ventromedial prefrontal cortex correlates with individual differences in negative affect

«We found that activity recorded in the ventromedial prefrontal cortex shifted in the people in the gratitude - journaling group,» explained Karns.

Fenster will use the fellowship to support his work on improving the understanding and treatment of early life stress, and Ross will use her award to support research on determining whether certain neurons in the ventromedial prefrontal cortex can direct feeding decisions in a mouse model.

Physical aggressiveness and gray matter deficits in ventromedial prefrontal cortex.

Researchers focused their examination on a small population of neurons in the ventromedial prefrontal cortex (vmPFC), which is known to be involved in self - referential thought as well as emotion.

In cases like this, fMRI revealed that activity in the ventromedial prefrontal cortex (vmPFC), a part of the brain that regulates emotions in more flexible ways, is necessary to promote persistence.

To track how brainwaves change during learning, Ann Graybiel and Mark Howe at the Massachusetts Institute of Technology used electrodes to analyse brainwaves in the ventromedial striatum of rats that were being taught to navigate a maze.

The researchers, including Stanford's Schnitzer, used the same microscopic technique as Dulac's team but implanted the lens in the ventromedial hypothalamus, an evolutionarily ancient structure involved in social behavior.

The results showed different reactions: when asked to make judgments about similar people, areas in the ventromedial PFC became active, and when asked to make inferences about dissimilar people, areas in the dorsomedial PFC became active.

Not exact matches

Schore points out that the ventromedial prefrontal cortex, a brain region in the right hemisphere, both has the most complex emotion and stress - regulating systems of any part in the brain and is also the center of Bowlby's attachment control system.

In the other 21 vets, who had damage to their ventromedial prefrontal cortex, the situation was reversed (Proceedings of the National Academy of Sciences, DOI: 10.1073 / pnas.0912568106).

A later study found that in patients with damage to the frontal lobe (the ventromedial prefrontal cortex), decisions to communicate are no longer fine - tuned to stored knowledge about an addressee.

They found that those with more flexibility — that is, shifting blood flow — in the brain's ventromedial prefrontal cortex seem to have more emotional and behavioral control.

They found that when a subject believed a statement — whether it was religious or not — activity appeared in an area called the ventromedial prefrontal cortex, which is an area associated with emotions, rewards and self - representation.

Their results indicate that the neuronal interactions between the so - called dorsolateral and ventromedial prefrontal cortex not only play a central role when a person needs to decide between several options, but also are decisive in general for flexible decision making.

Earlier work showed that electrical stimulation of some of these sites provokes cats and rats to sudden bouts of rage and that the ventromedial hypothalamus (VMH) has some involvement in sexual behaviors.

Part of the frontal lobe ultimately calculates the willingness to pay in an area known as the ventromedial prefrontal cortex, (vmPFC), which refers to the area's location.

We tested a prediction that detection of distal threat would elicit activity in brain regions associated with value - based and complex decision making, such as the anterior cingulate and ventromedial prefrontal cortex (vmPFC), whereas proximal threat would engage low - level midbrain regions implicated in reflexive escape behavior (i.e., PAG).

In the brain, the nucleus accumbens (NAcc) and ventromedial prefrontal cortex (vmPFC) are thought to encode how these rewards are valued.

According to a new report, published in Nature, damage to the ventromedial prefrontal cortex (VMPC)-- a region in the forebrain associated with emotional response — can blunt a person's emotional response to sacrificing a single person to save many others.

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.

The ventral striatum and ventromedial prefrontal cortex displayed greater decreases in activity for controllable compared with uncontrollable setbacks.

«We show here that the hippocampus contributes to the generalization of concepts and works with the ventromedial prefrontal cortex in real time to organize experiences according to their similarities and differences.»

The reverse contrast (GRAMMATICAL > UNGRAMMATICAL) yielded increased responses in the bilateral ventromedial prefrontal cortex (vmPFC).

Amyg: amygdala; Ce: cerebellum; dlPFC: dorsolateral prefrontal cortex; FG: fusiform gyrus; H: hippocampal formation; IN: insula; MCC: middle cingulate cortex; Nac: nucleus accumbens; paraHG: parahippocampal gyrus; PCC: posterior cingulate cortex; preCG: precentral gyrus; pre-SMA: pre-supplementary motor area; SI: primary somatosensory cortex; SII: secondary somatosensory cortex; sgACC: subgenual anterior cingulate cortex; SMG: supramarginal gyrus; Th: thalamus; vmPFC: ventromedial prefrontal cortex.

Two systems for empathy: a double dissociation between emotional and cognitive empathy in inferior frontal gyrus versus ventromedial prefrontal lesions

In the brain, they are located in the hypothalamic ventromedial nucleus and arcuate nucleus, as well as in ventral tegmental area dopamine neurons projecting to the nucleus accumbenIn the brain, they are located in the hypothalamic ventromedial nucleus and arcuate nucleus, as well as in ventral tegmental area dopamine neurons projecting to the nucleus accumbenin the hypothalamic ventromedial nucleus and arcuate nucleus, as well as in ventral tegmental area dopamine neurons projecting to the nucleus accumbenin ventral tegmental area dopamine neurons projecting to the nucleus accumbens.

In the brain, the ghrelin receptor is located in the the hypothalamic ventromedial nucleus and arcuate nucleus, as well as in ventral tegmental area dopamine neurons projecting to the nucleus accumbenIn the brain, the ghrelin receptor is located in the the hypothalamic ventromedial nucleus and arcuate nucleus, as well as in ventral tegmental area dopamine neurons projecting to the nucleus accumbenin the the hypothalamic ventromedial nucleus and arcuate nucleus, as well as in ventral tegmental area dopamine neurons projecting to the nucleus accumbenin ventral tegmental area dopamine neurons projecting to the nucleus accumbens.

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.

Ins, insula; SS, somatosensory operculum; dTP, dorsal temporal pole; cACC, caudal anterior cingulate cortex; rACC, rostral anterior cingulate cortex; sgACC, subgenual anterior cingulate cortex; MTL, medial temporal lobe; FG, fusiform gyrus; vTP, ventral temporal pole; vlSt, ventrolateral striatum; vmSt, ventromedial striatum.

Abnormal ventromedial prefrontal cortex function in children with psychopathic traits during reversal learning

Abnormal ventromedial prefrontal cortex function in children with callous and unemotional traits during reversal learning

We show that in individuals with psychopathic tendencies, the functioning of the amygdala in stimulus - reinforcement learning and of the ventromedial frontal cortex in the representation of reinforcement expectancies is impaired.

Individual differences in amygdala and ventromedial prefrontal cortex activity are associated with evaluation speed and psychological well - being

Functional MRI studies have provided evidence for reduced amygdala responses to fearful facial expressions in children with CD / CU + compared to controls (Jones et al. 2009; Marsh et al. 2008)- an impairment related to reduced amygdala and ventromedial prefrontal cortex activation in response to distress cues (Blair 2013).