Nucleus accumbens (NAc) The NAc is
a small brain region that plays an important role in our reward and reinforcement circuitry.
In some cases, surgical removal of
a small brain region is the best option.
When Cox and colleagues infused oxytocin specifically into the nucleus accumbens,
a small brain region implicated in drug addiction, they found that it had the same effects as when they administered it systemically.
In a similar vein, linguistic psychologist Steven Pinker recently teamed up with neurosurgeons and neurologists at Harvard University and U.C. San Diego to investigate the language functions of
a small brain region known as Broca's area.
From NOVA Next Feb 22, 2017 Key Brain Regions Found To Be Smaller in People With ADHD In the largest study of its kind, research shows people with ADHD have
smaller brain regions — including the amygdala, which is responsible for regulating emotions.
People who carry one of those eight mutations had, on average,
smaller brain regions than brains without a mutation but of comparable age; some of the genes are implicated in cancer and mental illness.
The relatively poor spatial resolution of PET limits accuracy in the quantification of
small brain regions, such as midbrain.
Not exact matches
A second study, «Arteriolosclerosis that affects multiple
brain regions,» appears in a recent issue of the journal Brain, and looks at small blood vessels in patients with HS - Aging and describes a specific change, called «arteriolosclerosis,» which is present in patients with HS - A
brain regions,» appears in a recent issue of the journal
Brain, and looks at small blood vessels in patients with HS - Aging and describes a specific change, called «arteriolosclerosis,» which is present in patients with HS - A
Brain, and looks at
small blood vessels in patients with HS - Aging and describes a specific change, called «arteriolosclerosis,» which is present in patients with HS - Aging.
On the other hand,
regions of the
brain which aren't associated with intelligence — the visual, auditory, and sensory - motor areas — show
small variability and adaptability.
According to the mri results, 38 minutes after Rennich entered the tube, an area of darkness — of no color at all — appeared on the image of his
brain, indicating that the neurons in a
small region of the cerebral cortex were no longer transmitting visual information.
When a
small subset dies, the pattern of activity that the olfactory processing
regions in the
brain receives for a specific smell doesn't change very much.
Although the technique is not yet refined enough to reveal the
smallest projections from neurons, says Smith, it allows researchers to spot interesting
regions that they can then cut out and examine more closely using other techniques — which will improve our understanding of the
brain.
Recently, groups working independently at Yale Medical School; the Veterans Administration Medical Center in Manchester, New Hampshire, and Harvard; and the University of California at San Diego reported that in afflicted individuals an important
region of the
brain called the hippocampus is
smaller than average.
Even before the earthquake, a
brain region called the pregenual anterior cingulate cortex was
smaller in subjects with higher scores than in subjects with few or no symptoms.
Likely so, say researchers at Georgetown University Medical Center who have shown that a
small region within the amygdala, an almond - shaped structure in the
brains of all mammals, is responsible for producing emotional calls and sounds.
Rather, the culprit is the parietal cortex, a
small region of the
brain behind your ear that aids in concentration.
Sending a
small electrical charge into the owl's visual
brain region — the so - called arcopallial gaze fields — caused it to move its head and eyes in a particular direction.
That device, about the size of a coffee cup saucer, creates a
small sphere of acoustic energy that can be aimed at different
regions of the
brain to excite
brain tissue.
This decision appears to be generated by a very
small number of excitatory neurons that use acetylcholine as their neurotransmitter located in three
brain regions.
I already know, for instance, that patients with schizophrenia have distinctive aberrations in the right superior temporal gyrus and that those with attention - deficit / hyperactivity disorder have
smaller brain volumes in all
regions.
The differences, as revealed by MRI scans, were striking: For example,
brain regions known to be involved in control of emotions and impulsivity, such as the anterior cingulate cortex, were on average 8 %
smaller in subjects with low levels of MAO - A.
Forty years ago today, a young American paleoanthropologist named Donald Johanson made the discovery of a lifetime in the arid badlands of Ethiopia's remote Afar
region: a 3.2 - million - year - old skeleton of a
small -
brained creature that walked upright like we do.
The researchers divided each
brain scan into
small regions and analysed the neuronal connectivity between them, without making any assumptions about the ideal size of these
regions for diagnosis.
Boyden said there is considerable interest in
brain regions that are important for learning or addiction — learning gone wrong — with particular attention to
small groups of neurons deep in the
brain that manufacture dopamine, a chemical transmitter involved in regulating communication between neurons.
It will allow physicians to precisely identify
small regions of abnormal
brain tissue in early - stage epilepsy patients that can't be detected today using current technology.
These results indicated that, surprisingly, many
brain regions surveyed contained separate but intermingled populations of neurons activated during fighting versus mating, with only a
small degree (about 20 percent) of overlap.
Dr Siddharth Banka, Clinical Senior Lecturer at the Manchester Centre for Genomic Medicine, who led the study, explained: «Our team has identified that this new syndrome is caused by a
small deletion on chromosome 6 that affects the function of hypothalamus, a
region of the
brain that plays a number of important roles in the body.»
The key difference is that Paramys was relatively
smaller than even the most primitive primates in the neocortex
region, the part of the
brain that deals with «higher»
brain functions like sight and hearing.
They found that the insula — a
brain region involved in emotion — was
smaller than in 23 people without the syndrome.
Y6 is produced in a very
small region of the
brain that regulates the body clock, as well as growth hormone production.
She and her colleagues found that people born face - blind have a
smaller - than - normal bundle of nerve fibers linking the facial fusiform area to other
regions toward the front of the
brain.
In turn these electrical changes caused the
brain to develop abnormally, with certain
brain regions growing in too
small or completely failing to develop.
Similarly, getting a fair offer — even if it was
small in absolute terms — activated
regions in the
brain such as the ventral striatum and the ventromedial prefrontal cortex that are involved in automatic and intuitive reward processing.
Children who experience neglect, abuse and / or poverty can have
smaller amygdalas and hippocampuses,
brain regions involved in emotion and memory, compared with kids raised in nurturing environments.
Alien hand seems to be caused by damage to a
small area at the front of the
brain, suggesting that this
region has a role in motor control.
However, most prior work has focused on only a
small number of
brain regions, leaving a gap in our understanding of how multiple
brain regions communicate with one another through networks, called functional connectivity, in persons with dyslexia.
After working to hone their technique for more than a decade, the researchers report that a
small region of the human
brain involved in memory makes new neurons throughout our lives — a continuous process of self - renewal that may aid learning.
In school - age children previously diagnosed with depression as preschoolers, a key
brain region involved in emotion is
smaller than in their peers who were not depressed, scientists have shown.
And 11 of the 19
regions were significantly
smaller in choline - deficient
brains.
«However, the role of CA2, a relatively
small region of the hippocampus sandwiched between CA3 and CA1, has remained largely unknown,» said senior author Steven A. Siegelbaum, PhD, professor of neuroscience and pharmacology, chair of the Department of Neuroscience, a member of the Mortimer B. Zuckerman Mind
Brain Behavior Institute and Kavli Institute for
Brain Science, and a Howard Hughes Medical Institute Investigator.
However, MIT neuroscientists have discovered a
brain circuit that can trigger
small regions of the
brain to fall asleep or become less alert, while the rest of the
brain remains awake.
The
brain region was more likely to be
smaller in babies with a particular gene.
«It really highlights that just a
small difference in the regulatory
regions of human DNA — even ones that don't really make a gene, per se, but help to control genes — can have a big impact on how the
brain is built, and ultimately how it functions,» she said.
January 12, 2016 Individuals with rage disorder have
smaller volumes in
brain structures linked with emotion People who have a behavioral disorder characterized by extreme outbursts of anger, such as road rage, have significantly lower gray matter volume in the
brain region that plays an important role in regulating emotion, report scientists from the University of Chicago.
Now it's clear that the key
region of the
brain can be
smaller at birth, reports Rebecca Knickmeyer.
This
brain region is also
smaller in adults with Alzheimer's disease.
In their search for a culprit gene, the researchers localized the gene to a
small region of the genome, and then sequenced six candidate genes, based on their roles in early
brain development.
A
small part of the skull was carefully removed above the respective
brain region.
Researchers at Harvard and the University of California, San Diego have discovered that a
small region of the
brain that has been predominantly associated with language production, is also responsible for language comprehension — blurring the lines on what has been a fundamental concept in psychology.
The hippocapmus is a
small region of the
brain buried deep within the subcortex.