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References in periodicals archive ?
[48] investigated the brain-circuit mechanisms of suicidal ideation (SI) in MDD, finding that the SI group exhibited decreased intrinsic FC among the rostral anterior cingulate cortex (rACC), the orbitomedial prefrontal cortex, and the right MTG compared with healthy controls and those with MDD without SI.
The role of the nucleus accumbens and rostral anterior cingulate cortex in anhedonia: integration of resting EEG, fMRI, and volumetric techniques.
On the other hand, impaired descending inhibitory pain system was evinced from the results of decreased activation in rACC (rostral anterior cingulate cortex) and thalamus [18] and reduced resting-state functional connectivity between ACC with PAG (periaqueductal gray) [22] in FM patients.
Given the evidence that rostral anterior cingulate cortex (rACC) is involved in regulating emotional distraction during WM tasks [36, 37] and in dual-task conditions [65], we predicted that patients with MCI would show increased activity in this area relative to HC.
Likewise, neuroimaging studies show that placebo treatment activates specific brain structures such as the prefrontal cortex and the rostral anterior cingulate cortex. Experiments on patients withParkinson's disease have shown that placebo treatment releases endogenous dopamine in the striatum region of the brain.
As well, the team found a relationship between rostral anterior cingulate cortex activity and emotional stability, which they say further strengthens the hypothesis that this increased emotional control in aging enhances emotional well-being.
"In addition, our finding of a relationship between rostral anterior cingulate cortex activity and emotional stability further strengthens the hypothesis that this increased emotional control in aging enhances emotional well being," she said.
The fMRI results showed increased activation in the medial prefrontal cortex and the rostral anterior cingulate cortex (ACC) and decreased activation in the amygdala following the stress-associated script.
Using a brain-scanning machine called an fMRI scanner, the scientists were able to see that this level of pain sparked a lot of activity in a part of the brain called the rostral anterior cingulate cortex.
First, each volunteer reported when an adjustable heat pulse applied to a leg produced pain that he or she rated as 7 out of 10, with 10 being equivalent to "the worst pain imaginable." Brain imaging of participants, using a functional magnetic resonance imaging (fMRI) scanner, showed that this level of pain was accompanied by pronounced blood flow--a sign of intense neural activity--in an area called the rostral anterior cingulate cortex.
When the women saw the signal that they or their partners were about to get painful shocks, the same areas of the brain--the bilateral anterior insula, rostral anterior cingulate cortex, brain stem, and lateral cerebellum showed activity reported Tania Singer, a psychologist at the University College of London, and her associates (Science 303[5661]:1157-62, 2004).
PU is associated with reduced cortical thickness in the left rostral anterior cingulate cortex (ACC) and right frontal pole, whereas NU shows an inverse association with cortical thickness in the vmPFC and OFC in patients with schizophrenia [10].