«Now that we've identified a new principle for how the interneurons can control plasticity, our study is a first step in better understanding the mechanisms involved in
other brain regions as well,» said Kreitzer.
Not exact matches
Many people with autism spectrum disorder also have an enhanced sensitivity to stimuli such
as sounds or touch, and there's mounting evidence that abnormal
brain connections — more in some
regions, fewer in
others — might play a significant role.
«The
regions in these networks are not talking to each
other as much
as healthy adults of the same age, even in networks where
brain damage didn't occur.
While they don't have definite answers, besides having good genes, Kawas said, the answer is probably a combination of being resilient to Alzheimer's Disease and also that they did not develop
other dementia - causing conditions, such
as microscopic infarctions that occur when blood flow is blocked from certain
regions of the
brain and hippocampal sclerosis, which causes neuron loss.
WHITE MAGIC Targeting parts of the
brain's white matter, the tissue that connects different
brain regions (shown), may be key to whether stimulating the
brain with electricity will work
as a treatment for memory problems and
other ills.
As for cortical thinning, Dr. Zhao said that
other research provides convincing evidence to support the theory that reduced cortical layer thickness in some
brain regions may result in the decreased thickness of the frontal lobe, a large part of the
brain that is involved in variety of functions, including emotion.
In fact, the authors report in Science this week that damage to that
region is 136 times more likely to result in a «disruption of smoking addiction» — defined
as the ability to quit easily without relapse — than injury to
other parts of the
brain.
PET scans have demonstrated that some individuals have twice
as many mu opiate receptors in certain
brain regions as others.
«Even a moderate dose of psilocybin weakens the processing of negative stimuli by modifying amygdala activity in the limbic system
as well
as in
other associated
brain regions,» continues Krähenmann.
Researchers say their findings, published in Annals of Neurology, are «surprising»
as the results differ from what has been seen in studies of
brain regions that harbor
other brain cell - types.
Now that the location and identity of the wake - promoting neurons are precisely defined, the supramammillary
region joins
other parts of the
brain known
as being involved in keeping people awake, such
as the nearby lateral hypothalamus, the upper
brain stem and basal forebrain.
And researchers must figure out how to build in some core features: the necessary blood vessels, immune - system cells called microglia and connections from
other brain regions, such
as the thalamus and cerebellum.
As CaMKII expression has been associated with consolidation and permanence of memories in
other brain regions, this switch may reflect the formation of a stronger and more stable opiate reward memory.
Dr. Vállez García and the team are now considering what to look at next, such
as inflammation in the
brain or changes in the structure of
other functional
regions.
Because aerobic exercise has been shown to lead to improvements in processing speed and functional changes within the frontal and
other brain regions, it was included
as one of the study groups.
DeltaFosB already is well known for its association with
other neurological conditions linked to persistent
brain activity of specific
brain regions, such
as addiction.
Glutamate - dependent signals to the nucleus accumbens come from many
other brain regions, such
as the hippocampus, the amygdala, the thalamus and the prefrontal cortex.
Using PET
brain scans, they showed that those with impaired illness awareness also had reduced glucose uptake in specific
brain regions, even when accounting for
other factors linked to reduced glucose uptake, such
as age and degree of memory loss.
Their findings: activity dropped in the prefrontal cortex — which is implicated in planning
as well
as in the organization of functions performed by
other brain regions — but it jumped in a cluster of
brain regions implicated in daydreaming known
as the «default mode network.»
The authors also found abnormalities in the subthalamic nucleus occur earlier than in
other brain regions, and that subthalamic nucleus nerve cells progressively degenerate
as the mice age, mirroring the human pathology of Huntington's disease.
Now, researchers argue that the competing noise of
other partygoers is filtered out in the
brain before it reaches
regions involved in higher cognitive functions, such
as language and attention control.
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.
«This lack of synchronization with frontal
regions in ASD — an impairment in
brain connectivity — may lead to symptoms of the disorder that involve processes that require
brain coordination between frontal and
other areas, such
as language processing and social interaction,» Just explained.
Electrodes implanted in the
brain that electrically stimulate specific
regions are now being tested
as treatments for depression and
other mental illnesses; conceivably this technology also could be used to induce mystical states.
Using an optical fiber implanted in that
region, the researchers were able to stimulate the primary motor cortex near where the stroke had occurred, and then monitor biochemical changes and blood flow there
as well
as in
other brain areas with which this
region was in communication.
The finding, published in Nature, could pave the way for these so - called intercalated cells in the amygdala, a
brain region that processes fear, to become drug targets for treating phobias (such
as fear of heights and closed spaces)
as well
as post-traumatic stress disorder in soldiers and
others.
But all three labels also elicited some activity in the
brain area associated with reward, the ventral striatum,
as well
as other regions related to desire and feeling connected.»
In a study of structural
brain connectivity led by the University of Illinois at Chicago and UCLA, those participants with anorexia nervosa who scored lowest on a test measuring their ability to form insight had more connective abnormalities than
other patients in
brain regions linked to error detection and conflict monitoring
as well
as self - reflection.
«It will be interesting to investigate whether Wnt pathways also interact in this way with FGFs in
other regions of the embryo where FGFs are also known to play an organizing role, such
as the
brain, lungs and
other structures,» said Yasuhiko Kawakami, a member of Izpisúa Belmonte's team.
«The amygdala is a unique
brain structure in that it grows dramatically during adolescence, longer than
other brain regions,
as we become more socially and emotionally mature,» study senior author Cynthia Schumann said in a university news release.
No information is, however, available on the relative gain, or the comparability of data, obtained at higher field strengths for
other brain regions such
as the prefrontal and
other association cortices.
Corticobasal degeneration is a progressive neurological disorder characterized by nerve cell loss and atrophy (shrinkage) of various
regions of the
brain, including the cerebral cortex and the basal ganglia (which helps to start and control movements,
as well
as other functions).
His lab has also shown that under the influence of exercise,
other regions of the
brain grew
as well, including the prefrontal cortex, which plays an important role in a group of processing and decision - making skills called executive function.
Contracted through the bite of an infected mosquito or through sexual or
other modes of transmission, Zika virus (ZIKV) infection can be prenatally passed from mother to fetus.1 The virus was first identified in the
region of the Americas in early 2015, when local transmission was reported in Brazil.2 Six months later, a notable increase in the number of infants with congenital microcephaly was observed in northeast Brazil.3, 4 Clinical, epidemiologic, and laboratory evidence led investigators to conclude that intrauterine ZIKV infection was a cause of microcephaly and serious
brain anomalies.5 - 7 However,
as with
other newly recognized teratogens, these features likely represent a portion of a broader spectrum.
It may be that amyloid facilitates the spread of tau in the medial temporal lobe to
other regions in the
brain such
as the neocortex.
The researchers described these â $ profoundâ $ and â $ long - lastingâ $ neural effects
as â $ particularly noteworthy, â $ and they highlighted that one of the main
regions that showed this increased sensitivity â $» the â $ pregenual anterior cingulate, â $ which is known to be involved in predicting the effects of oneâ $ ™ s own actions on
other people â $» overlaps with a key
brain region identified in the only previous study on the neurological footprint of gratitude.
Interestingly, smoking marijuana increased blood flow in
other brain regions, such
as the frontal lobes and lateral cerebellum,
regions associated with decision making, sensory perception, sexual behavior, and emotion.
Higher plasma glucose levels correlated with greater
brain activity in executive control centers in the ACC and ventromedial PFC, whereas higher levels of plasma cortisol, but not
other hormones, were correlated with greater activation in reward
regions, such
as the insula and putamen (P < 0.01, corrected), in response to high - calorie food cues.
«Music is represented in mechanisms widely distributed throughout the
brain rather than localized in a single
region as are
other kinds of information, such
as visual or movement information,» Parsons reported.
«Music is represented in mechanisms widely distributed throughout the
brain rather than localised in a single
region as are
other kinds of information, such
as visual or movement information.»
They also monitored two
other areas of the
brain, the hippocampus and the entorhinal cortex,
as control
regions because they «weren't expecting any stimulus preference there,» Mormann said via email.
These are interesting findings
as the volume of parenchyma in the CCF maintains a consistent ratio to the volume of
other brain regions in normal dogs [22].
«Case Western Reserve stepped forward
as lead institution for the Ohio, Western Pennsylvania, West Virginia HERC, because HERC provides a one - stop resource for open positions across the
region to facilitate attracting such couples to CWRU and
other institutions, which helps prevent the «
brain drain'that occurs when the spouse or partner can't find a job.»
Although conduct disorder is defined
as a complex behavioral disorder, the team had looked for
other regions of the
brain which could indicate differences in coordinated development, according to Medical News Today.
In addition, there are changes in
other brain regions that indirectly affect mothering - related behaviours such
as how rewarding mothers find infants and their cues to be, their attitudes towards infants and parenting, their ability to be flexible and playful, to show good memory,
as well
as their levels of anxiety and depression.
«There are absolutely specific
regions of the
brain that light up when acts of kindness are bestowed upon us or when we perceive that
others see us
as important, although there are
other systems at play involving hormones,» Shuster says.