Sentences with phrase «posterior cingulate»

Rao's team found that when volunteers saw names such as Britney Spears, George Clooney, Albert Einstein and Marilyn Monroe, those who were at the highest risk of developing Alzheimer's — those with both the genetic makeup and a family history — showed high levels of activity in the hippocampus, posterior cingulate and regions of the frontal cortex, all areas involved in memory.

Neuroscientist Sara Lazar, Ph.D., along with her colleagues, found that as little as eight weeks of daily practice can enlarge four different areas of the brain: the posterior cingulate, left hippocampus, temporo parietal junction, and the brain stem.

Higher expenditure of energy was associated with larger gray matter volumes in the parietal, temporal and frontal lobes, which included the basal ganglia, posterior cingulate and hippocampus.

What was startling was that the MRI scans showed that mindfulness groups increased gray matter concentration within the left hippocampus, the posterior cingulate cortex, the temporo - parietal junction, and the cerebellum.

However, certain areas such as the posterior cingulate cortex and precuneus, some lateral parietal areas, and associated paramedian thalamic nuclei, may constitute strategic crossroads for coordinating the interactions among different sensory maps and frames of reference concerning the body and the environment.

Cluster a (a) shows the default mode network, consisting of frontal regions, including superior frontal gyrus (BA 8/9) and medial frontal gyrus (BA 10/11) and precuneus / posterior cingulate cortex (BA 23/31) and bilateral regions overlapping middle / superior temporal tyrus (BA 21/39) and inferior / superior parietal cortex (BA 39/40).

Using ICA, Damoiseaux et al. [20] described two RSN components that together included the superior and middle frontal gyrus, posterior cingulate, middle temporal gyrus and superior parietal cortices.

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.

More specifically, the anterior and posterior cingulate cortex is involved in empathic, but not in non-empathic, mind - reading tasks [42].

These modules include the visual (yellow), sensory / motor (orange) and basal ganglia (red) cortices as well as the default mode network (precuneus / posterior cingulate, inferior parietal lobes, and medial frontal gyrus; maroon).

These areas include portions of the following cortices: visual, motor / sensory, precuneus / posterior cingulate, basal ganglia, and frontal.

The activations of the anterior and posterior cingulate gyrus and the dorsomedial prefrontal cortex further support the assumption that the perception of chemosensory anxiety signals might release feelings of empathy.

Compared to sham, verum acupuncture increased the connectivity between the amygdala, the PAG (periaqueductal gray) and the insula, and decreased the connectivity between the amygdala with the middle frontal cortex, the postcentral gyrus and the posterior cingulate cortex (PCC).

Although the DMN showed functional connectivity during both rest and conscious sedation, a direct comparison found that there was significantly reduced functional connectivity in the posterior cingulate cortex during conscious sedation.

At baseline, older adults showed significantly decreased hippocampal connectivity with medial prefrontal and parahippocampal cortex, and increased hippocampal connectivity with posterior cingulate, precuneus, and parietal cortex, relative to young adults (n = 16, age range: 18 - 34 years).

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.

The AD group showed decreased resting - state activity in the posterior cingulate and hippocampus, suggesting that disrupted connectivity between these two regions accounts for the posterior cingulate hypometabolism commonly detected in positron emission tomography studies of early AD.

We hypothesize that focal reductions in DMN connectivity, as shown here in the posterior cingulate cortex, may represent a stable correlate of reduced consciousness.

Notably, coordinates of seed regions - of - interest defined within the posterior cingulate cortex (PCC) / precuneus, an area often employed to study functional connectivity of the DMN, have been inconsistent across studies.

The default - mode network (DMN) is a prominent network which includes the posterior cingulate cortex (PCC), medial prefrontal cortex (mPFC), medial temporal lobes (MTL), and angular gyrus (AG).

Among the brain regions implicated in this network, several, including the posterior cingulate cortex and inferior parietal lobes, have also shown decreased metabolism early in the course of Alzheimer's disease (AD).

Using dual regression and seed - based analyses, we observed significantly decreased FC of the default mode network to 2 regions in the posterior medial cortex (PMC): the posterior cingulate cortex (PCC) and the left precuneus (threshold - free cluster enhancement, family-wise error corrected P < 0.05).

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.

Lower posterior cingulate cortex glutathione levels in obsessive - compulsive disorder.

After conducting the experiments, researchers determined that the LSD resulted in reduced activity in both the posterior cingulate cortex and the temporal cortex.

In trance, brain networks displayed notable reconfigurations, including increased connectivity in regions associated with internal thought (the default mode's posterior cingulate cortex) and cognitive control (dorsal anterior cingulate cortex and insula), as well as decreased connectivity within the brainstem and auditory pathway.

Hypometabolism was independently associated with anosognosia in AD, particularly in the posterior cingulate cortex and right angular gyrus.

Results: Hypometabolism was independently associated with anosognosia in AD, particularly in the posterior cingulate cortex and right angular gyrus.

The most prominent effects between full - scale IQ and normalized path length were found in medial prefrontal gyrus (Brodmann area 9/10, r = − 0.75, p = 0.001, df = 18, yellow box), precuneus / posterior cingulate gyrus (BA 7/31, r = − 0.55, p = 0.014, df = 18, orange box), and bilateral inferior parietal regions (BA 39/40, right inferior parietal: r = − 0.72, p = 0.001, df = 18 depicted in red box; left inferior parietal: r = − 0.68, p = 0.001, df = 18).

They found that connectivity in the caudal anterior cingulate and the posterior cingulate were poorly connected with the rest of the brain in those with anorexia nervosa compared to healthy participants.

Using fMRI, New York University neuroscientist Elizabeth Phelps has identified two brain regions — the amygdala and the posterior cingulate cortex, associated with emotional learning and decision making — that are crucial in forming first impressions.

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.

Specifically, males on average had larger volumes and higher tissue densities in the left amygdala, hippocampus, insular cortex, putamen; higher densities in the right VI lobe of the cerebellum and in the left claustrum; and larger volumes in the bilateral anterior parahippocampal gyri, posterior cingulate gyri, precuneus, temporal poles, and cerebellum, areas in the left posterior and anterior cingulate gyri, and in the right amygdala, hippocampus, and putamen.

Strong associations between full - scale IQ and individual normalized path length were found in medial prefrontal gyrus, precuneus / posterior cingulate gyrus, and bilateral inferior parietal regions (Fig. 3).

Techniques that directly activate the posterior cingulate cortex like brain stimulation or game play that promotes distraction, particularly within situations that don't allow a routine to form, can lead to more creativity.

A third, made up of parts of two adjacent regions known as the posterior cingulate and the precuneus, becomes active when people feel strong emotions.

Researchers from the University of Pennsylvania, Yale University, Columbia University and Duke University now better understand how this happens, and it has to do with a region in the brain called the posterior cingulate cortex.

MRI scans revealed that the same area of the brain — the posterior cingulate — was most associated with the benefits of rehearsal.

Other findings of the studies: brain areas that process emotional pain (the amygdala and posterior cingulate) lit up when players failed to answer questions that inferior competitors had aced.

The study showed that the brain region known as the posterior cingulate — an area whose damage is often seen in those with Alzheimer's — plays a crucial role in creating permanent memories.

«We have also linked this rehearsal effect to processing in a particular part of the brain — the posterior cingulate.»

The researchers did find that the older people had more activity in brain regions responsible for attentiveness, such as the posterior cingulate cortex.

The results showed that amyloid plaque levels in the posterior cingulate cortex were related to the amount of white matter damage, suggesting that injury to the brain's wiring may be linked to the formation of amyloid plaques.

There were differences between the two groups in activations of the posterior cingulate cortex and the coupling between this region and the amygdala which is central to fear and anxiety.

Follow - up tests a year later showed that the reduced use of glucose by the temporal lobe and posterior cingulate had been reversed in all six people (Annals of Neurology, DOI: 10.1002 / ana.22089).

«In particular, obesity led to altered activity in a part of the brain linked to the development of Alzheimer's disease — the posterior cingulate gyrus.

The primary difference, we found in the posterior cingulate, which is involved in mind wandering, and self relevance.

Not exact matches

The researchers found several areas of the brain are involved, including the right and left occipital lobes, the posterior parietal lobe, the sensorimotor cortex and the anterior cingulate.

Following our pre-registered specification to include 10 GM regions, we selected the following 10 ROIs, bilaterally averaged: the frontal pole, superior frontal gyrus, middle frontal gyrus, inferior frontal gyrus (pars triangularis and pars opercularis subdivision), supramarginal gyrus (posterior and anterior), angular gyrus, frontal medial cortex and the cingulate gyrus.

Contrasting the perception of anxiety sweat with sport sweat, significant brain activations were detected in the right insula (BA 44, 47, 48; Fig. 3a), the right precuneus (BA 4, 5; Fig. 3b), the left supramarginal gyrus (BA 40), the right thalamus, the dorsomedial frontal gyrus (BA 6, 8, 9), the right inferior frontal gyurs (BA 44), the right anterior (BA 24) and posterior (BA 23, 29) cingulated gyrus (Fig. 3c), the right substantia nigra, the left fusiform gyrus (BA 37; Fig. 3d), the left cerebellum (BA 19, 30) and the medial vermis (see Table 2).