Sentences with phrase «medial prefrontal cortex»

Hyperconnectivity and slow synapses during early development of medial prefrontal cortex in a mouse model for mental retardation and autism.
Value computations in ventral medial prefrontal cortex during charitable decision making incorporate input from regions involved in social cognition
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).
But when researchers stimulate a region of the brain called the dorsal medial prefrontal cortex — which is active during social interactions when people decide whether to be submissive or assertive — these cowards become courageous, driving their peers backward through the tube and out of their way 90 % of the time, The Guardian reports.
Title: Dissociation between memory retention across a delay and pattern separation following medial prefrontal cortex lesions in the touchscreen TUNL Task Author: K. A. L. McAllister et al..
Perhaps the greater functional connectivity means the rational, calculating medial prefrontal cortex dominates the more emotional, instinctual amygdala in such individuals, Kable says.
«Taken together, the results suggest that medial prefrontal cortex actively puts a hold on behavior in the moment that an environmental cue may trigger it.
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.
Although activity in the rat medial prefrontal cortex correlated with the movement, some neurons in this area seemed to be linked to motivation.
Doherty, J.M., Cooke, B.M., Frantz, K.J. (2013) Attenuated Fos immunoreactivity in prelimbic and infralimbic medial prefrontal cortex during heroin - seeking behavior in adolescent vs. adult male rats.
A functional magnetic resonance imaging study of amygdala and medial prefrontal cortex responses to overtly presented fearful faces in posttraumatic stress disorder
Medial prefrontal cortex hyperactivation during social exclusion in borderline personality disorder
Recruitment of medial prefrontal cortex neurons during alcohol withdrawal predicts cognitive impairment and excessive alcohol drinking.
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.
Regional cerebral blood flow in the amygdala and medial prefrontal cortex during traumatic imagery in male and female Vietnam veterans with PTSD
Neurological experiments reveal that when we truly identify with something or someone, the brain's medial prefrontal cortex — which is involved with self - definition — is activated.
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.
The medial prefrontal cortex (mPFC) mediates the cognitive control of many high - level brain functions.
Here, we define a neural circuit — composed of the medial prefrontal cortex, the nucleus reuniens (NR), and the hippocampus — that controls fear memory generalization.
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.
Initially, Puthanveettil and his colleagues ignored the medial prefrontal cortex because no one believed that it had anything to do with early encoding of long term memories.
Writing in the journal eLife, the team found that there are specific groups of neurons in the medial prefrontal cortex (mPFC) of a rat's brain — the region most associated with long - term memory.
«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.
A third scan, using a technique called diffusion tensor imaging, revealed anatomical connections that are made of nerve fibers and link the amygdala and medial prefrontal cortex, acting like neurological highways for information between the two.
That is, these mind - altering drugs decreased hemodynamic activity, including blood flow, in selected regions, such as the thalamus, the medial prefrontal cortex (mPFC), the ACC and the posterior cingulate cortex (PCC).
«The most striking observation from the new study is that the medial prefrontal cortex is the site of this early protein synthesis.
There is temporal and spatial regulation of new protein synthesis in the medial prefrontal cortex.
How is it that riskier individuals have fewer anatomical connections linking the amygdala to the medial prefrontal cortex, but more apparent cooperation between these regions?
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.
Kable and his team found the people who chose to take the biggest gambles tended to have larger amygdalae, with fewer connections to the medial prefrontal cortex.
We have also identified what proteins are newly synthesized in the medial prefrontal cortex
Crucial brain connections directing a mouse's place in the social hierarchy sit in the medial prefrontal cortex.
The team used herpes simplex virus to ferry the light - sensitive protein channel rhodopsin 2 (ChR2) into neurons in the medial prefrontal cortices of depressed mice: the mPFC is thought to orchestrate decision - making and social behaviour.
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.
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.
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.
Researchers at the Douglas Institute Research Centre, affiliated with McGill University, have isolated a gene, DCC, which is responsible for dopamine connectivity in the medial prefrontal cortex during adolescence.
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.
Researchers at the Douglas Institute Research Centre have isolated a gene that is responsible for dopamine connectivity in the medial prefrontal cortex during adolescence.
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.
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