Sentences with phrase «orbitofrontal cortex brain»

Not exact matches

Just around the time that the nature of the dilemma crossed the border from impersonal to personal, I would see your amygdala and related brain circuits — your medial orbitofrontal cortex, for example — light up like a pinball machine.
Some of the regions that process emotion are already present in infants» brains at birth — the amygdala, hypothalamus, insula, cingulate cortex, and orbitofrontal cortex.
Rolls used monkeys to investigate the orbitofrontal cortex (OFC), an area of the brain associated with decision - making.
The cause, at a neurological level, is hyperconnectivity between two brain regions, the orbitofrontal cortex and the caudate nucleus, creating a tidal wave of unfounded mortal fear and triggering habitual response as the only way to attain calm.
Previous work has suggested that the orbitofrontal cortex (OFC), a part of the brain involved in making predictions, might have a role in decision confidence.
He also saw smaller orbitofrontal cortices in obese individuals, important for impulse control and also involved in feeding behaviour (Brain Research, in press).
They found that girls with anorexia nervosa had a larger insula, a part of the brain that is active when we taste food, and a larger orbitofrontal cortex, a part of the brain that tells a person when to stop eating.
Redish and Steiner implanted minute electrodes into a brain region associated with regret in monkeys and humans, called the orbitofrontal cortex (OFC).
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.
Researchers also used imaging techniques to look at two regions of the participants» brains — the insula and orbitofrontal cortex — known to be involved in salty taste.
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.
The researchers think that a junk diet causes lasting changes in the reward circuit parts of the rats» brain, for example, the orbitofrontal cortex, an area of the brain responsible for decision - making.
It emerged that theta activity increased in response to near - misses relative to other losses in brain regions such as insula and orbitofrontal cortex (OFC), which was linked to gambling severity.
While these decisions were being made, activity in 3 brain areas was measured: the area where the pros and cons are weighed in decision - making processes called the orbitofrontal cortex; the area where generosity and prosocial behavior are processed called the temporoparietal junction; and the happiness associated area called the ventral striatum.
On the structural side, individuals who are perceived as having an online game addiction show significant gray matter atrophy in various areas of the brain (right orbitofrontal cortex, bilateral insula, and right supplementary motor area) once examined on brain MRI studies.
«When tired, participants showed greater brain activity in two areas involved in olfaction — the piriform cortex and the orbitofrontal cortex — in response to food smells than they did when well rested.
Conduct - disordered youth exhibit a decreased dopamine response to reward and increased risk - taking behaviors related to abnormally disrupted frontal activity in the anterior cingulate cortex (ACC), orbitofrontal cortices (OFC), and dorsolateral prefrontal cortex (DLPFC) that worsens over time due to dysphoria activation of brain stress systems and increases in corticotropin - releasing factor (CRF).
We hypothesized that whole - brain and region - of - interest analyses would identify differences in cortical thickness in prefrontal (especially anterior cingulate, middle frontal gyrus and orbitofrontal cortex) brain regions in female adolescents with early onset SUD, compared to controls.
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