Sentences with phrase «of medial prefrontal cortex»

Our data indicate that spontaneous improvisation, independent of the degree of musical complexity, is characterized by widespread deactivation of lateral portions of the prefrontal cortex together with focal activation of medial prefrontal cortex.
These conjunctions reveal broad deactivation of dorsolateral prefrontal cortex for both paradigms (n = 6) as well as focal activation of the medial prefrontal cortex in Jazz (n = 5) and Scale (n = 4) paradigms.
Hyperconnectivity and slow synapses during early development of medial prefrontal cortex in a mouse model for mental retardation and autism.
Recruitment of medial prefrontal cortex neurons during alcohol withdrawal predicts cognitive impairment and excessive alcohol drinking.
The researchers discovered that the ability to stop depended on the activity of the medial prefrontal cortex (mPFC), a region of the brain implicated in executive control over behavior.
The areas in the brain linked to this type of decision making were the dorsal portion of the medial prefrontal cortex, which is known to support higher cognitive functions such as planning, and the premotor cortex, which is more involved in the execution of real or imaginary movements.

Not exact matches

The medial ventral prefrontal cortex is the seat of humor.
Suppose I could, say by ablating the ventral medial prefrontal cortex, very specifically wipe out someone's ability to feel spiritual or feel anything about the presence or existence of the supernatural (like C.S. Lewis» the Nouminous).
Further research revealed distinct activation differences in the medial prefrontal cortex (PFC) of participants in a survey who were asked to make inferences about people similar or dissimilar politically.
Running the game while recording people's brain activity with a functional MRI machine revealed that people who made similar giving choices (either to give half or what they had, or half of what their partner thought they had) showed similar brain patterns in the medial prefrontal cortex, a region associated with decision - making.
We propose that the NR determines the specificity and generalization of memory attributes for a particular context by processing information from the medial prefrontal cortex en route to the hippocampus.
The medial prefrontal cortex (mPFC) mediates the cognitive control of many high - level brain functions.
«The medial prefrontal cortex has many sub-regions,» said TSRI Senior Research Associate Bindu L. Raveendra, co-first author of the study with Valerio Rizzo, Khalid Touzani and Supriya Swarnkar, all of TSRI at the time of the study.
However, when they closely examined the effects on the brain of conditioning rodents with a mild foot shock, the scientists found several messenger RNAs recruited to polyribosomes in the medial prefrontal cortex — a clear indication of new protein synthesis there.
«The most striking observation from the new study is that the medial prefrontal cortex is the site of this early protein synthesis.
Another MRI reading measured the baseline level of activity in the amygdala and in the brain's medial prefrontal cortex, an area considered a nexus for decision - making.
Levy's research found a connection between risk preferences and the quantity of neurons in a different part of the brain (called the posterior parietal cortex), but not the amygdala or medial prefrontal cortex.
The brain scans also showed that the A allele was associated with increased activity in the lateral and medial prefrontal cortex, regions that belong to a network involved in the encoding of emotional memories.
Conscious recollection depends on the hippocampus and prefrontal cortex, whereas familiarity depends on regions of the medial temporal cortex.
The crucial connections dictating a mouse's place in the social hierarchy appear to sit in the part of the brain called the medial prefrontal cortex (mPFC), responsible for emotion and decision - making.
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.
One potential clue came when lead study author Miho Nakajima of The Rockefeller University discovered a population of neurons in the medial prefrontal cortex that express the oxytocin receptor.
The medial prefrontal cortex is active when people think of others and how they fit in with them.
«We did not find group differences in their use of the nucleus accumbens or medial prefrontal cortex,» Tashjian said.
When anorexic and bulimic women see images of overweight women, an area of the brain, the medial prefrontal cortex, lights up in a functional MRI.
When a group of men looked at images of overweight men, there was no medial prefrontal cortex activity.
And their medial prefrontal cortex lit up, particularly at images of overweight women.
More specifically, his work has shown that dopamine signalling in two connected brain regions involved in opiate - related memory processing, called the Basolateral Amygdala (BLA), a region deep within the brain, and the medial prefrontal cortex (mPFC), located near the surface of the brain, is switched by opiate exposure.
These differences were also associated with a reduction of grey matter in a part of the brain called the medial prefrontal cortex.
An article, «Smaller amygdala and medial prefrontal cortex predict escalating stimulant use,» published online on May 13 in Brain: A Journal of Neurology has found that individual differences in brain structure could help to determine the risk for future drug addiction.
Previous research has already identified components of the brain's social network, revealing the inferior parietal lobule seems to encode familiarity and social distance, and that the medial prefrontal cortex encodes how socially relevant other people are to us.
In a 2010 study, psychiatrist Yvette Sheline and colleagues at Washington University School of Medicine in St. Louis, Missouri, found that these overactive networks converged on a common point in a region called the dorsal medial prefrontal cortex.
In normal participants, the amygdala seemed to be talking to the medial prefrontal cortex, an outer layer of the brain that, Walker says, helps to contextualize experiences and emotions.
Results showed that participants who share more about themselves on Facebook had greater connectivity of both the medial prefrontal cortex and precuneus, to the dorsolateral prefrontal cortex.
Although both types of memory were laid down in the medial prefrontal cortex, they were stored along separate paths or axonal projections, which in turn linked to different brain regions (Cell, DOI: 10.1016 / j.cell.2016.05.010).
These neurons, located in a region of the brain known as the medial prefrontal cortex (green, left image), become hyperactive in depressed mice (right panel is close - up of left, yellow indicates activation).
She says another brain region (the medial prefrontal cortex) involved in sizing up others went wild when players were shown photos of competitors who outperformed them.
The more social sins (pride, envy, lust, wrath) recruit the medial prefrontal cortex (mPFC), brain terrain just behind the forehead, which helps shape the awareness of self.
«It's possible within the population that we see of healthy young adults, a more pruned structural connection between the amygdala and the medial prefrontal cortex is indicative of a more developed connection and one that might be more effective or efficient, and thus lead to greater communication between the two areas.»
Most prominent effects between IQ and the level of global connectivity efficiency (as expressed by a shorter node specific normalized path length) were found in the medial prefrontal cortex (yellow box), bilateral inferior parietal cortex (red box depicts effect in right hemisphere), and precuneus / posterior cingulate regions (orange box) of the functional brain network.
In the new study, Ron and first author Emmanuel Darcq, PhD, a former postdoctoral fellow now at McGill University in Canada, found that when mice consumed excessive amounts of alcohol for a prolonged period, there was a marked decrease in the amount of BDNF in the medial prefrontal cortex (mPFC), a brain region important for decision making.
The hubs of connectivity that Dresler mentioned are diffused and widespread, though one noticeable path extended to the medial prefrontal cortex, which is known to be active when individuals relate new knowledge to pre-existing knowledge.
The first of these two research programs involves the independent mnemonic contributions of the different medial temporal lobes structures, the extent to which different medial temporal lobe structures must interact in storing information and their interaction with the prefrontal cortex.
Illness progression, recent stress and morphometry of hippocampal subfields and medial prefrontal cortex in major depression.
These 2 modalities were used to investigate connectivity within the default mode network, a set of brain regions — including medial prefrontal cortex (MPFC), medial temporal lobes (MTLs), and posterior cingulate cortex (PCC) / retropslenial cortex (RSC)-- implicated in episodic memory processing.
Several groups have reported that a particular set of brain regions, including the posterior cingulate cortex and the medial prefrontal cortex, among others, is consistently deactivated.
By employing two paradigms that differed widely in musical complexity, we found that improvisation (compared to production of over-learned musical sequences) was consistently characterized by a dissociated pattern of activity in the prefrontal cortex: extensive deactivation of dorsolateral prefrontal and lateral orbital regions with focal activation of the medial prefrontal (frontal polar) cortex.
Upon engraftment into the medial prefrontal cortex in rats, the homolog of the human anterior cingulate cortex, the cells assumed neuronal morphologies, expressed monoaminergic - specific proteins, and seemed to functionally integrate, as assessed by the upregulation of the immediate - early gene, cfos.
The amygdalocentric model of PTSD proposes that it is associated with hyperarousal of the amygdala and insufficient top - down control by the medial prefrontal cortex and the hippocampus.
Reversibility of apical dendritic retraction in the rat medial prefrontal cortex following repeated stress
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