UCLA mathematicians Tony Chan and Luminita Vese detect anatomical
brain structures by lassoing them with a loop, which then shrinks tightly around the structure using a level - set algorithm to capture its exact shape.
Some might try to attribute these trends to biological factors such as fundamental differences in
brain structure by applying the argument that biological differences make females less capable in mathematics and less inclined to have an affinity for the subject.
Not exact matches
«Half the calories a
brain burns go towards simply keeping the
structure intact
by pumping sodium and potassium ions across membranes to maintain an electrical charge,» according to the video.
Is there something in our communication in church, society and culture, which we should have clocked
by now — something about how Jesus
structured his communication to trigger his listeners»
brains?
While any knowledge of God must indeed be conditioned
by human experience, Ashbrook and Albright actually claim much more than this: that the
brain not only patterns our experience of God, but its very
structure can inform us of God's nature.
By this he meant that although inorganic matter was inevitably subject to entropy, (all the
structure of peaks and valleys puddling out into a flat line of cosmic death) organic matter, life, had a reverse drive for higher and higher complexities, from the amoebae to the whale
brain.
Omega 3 fatty acids make up a large proportion of the
structure of our
brains and are essential for cognitive health, but not all can be synthesised or created
by the body.
There is also mounting evidence that the very
structure of the human
brain is altered
by the cognitive challenges inherent in learning how to parent (Rilling, 2013).
«Designed for Relationship: Infants»
Brain Structures and Chemicals Respond to Nurture and Stress»
by Nancy Williams, MA, MFT, CCE, IBCLC (2006)
Following a season of grueling practices and hard - fought games, football and ice hockey players who had no outward sign of head trauma showed worrisome changes in
brain structure and cognitive performance that weren't shared
by athletes who competed in varsity sports such as track, crew and cross-country skiing, according to a report published Wednesday in the journal Neurology.
Today's frantic new media systems can generate huge waves of alarmist communications which invade countries and alarm the citizens about two main issues that bypass the logical part of the
brain: racial threat and sex... both topics are used
by media to command human attention because they bypass conscious
brain structures to ensure a fast response, the same as a deja vu is seen before it is noticed, so to speak.
«
By studying how education changes the
brain, we can find out how this uniquely human experience induces change in both
brain structure and function — something we can not do with animal models.»
He works
by tweaking the chemical
structures of the drugs, sometimes changing just a few molecules to see what impact this might have on the interaction between the drug and the
brain receptors their parent compounds normally act upon.
Artificial neural networks are a type of artificial intelligence algorithm inspired
by the
structure of the human
brain.
This
brain structure does not exist in birds; instead, complex mental tasks are managed
by the so - called pallium.
A study
by researchers from McGill University in Canada involving neuroimaging, which creates pictures of the
brain's
structure and neural activity, showed that smelling the body odor of someone closely related activates the dorsomedial prefrontal cortex, a part of the
brain responsible for recognizing family.
Usually they discover about two weeks after conception
by which time their developing embryo is about the size of a full stop, and the neural
structure that will eventually grow into the baby's
brain and -LSB-...]
So a research team led
by scientists at Children's National Health System in Washington, D.C., delivered subpar levels of oxygen to newborn piglets, whose course of
brain development and whose highly evolved
brain structure mirrors in many respects those of humans.
A few microscopic techniques can focus light deep into the intact
brains of dead animals to study its
structure without damaging the axons, but much of this light is scattered away
by the fatty lipid membranes that surround individual cells, making the technique less than perfect.
By this stage in fetal development, most of the
brain's regions and
structures are in place, says Lein.
Scientists headed
by Dr. Stevens Rehen differentiated human induced pluripotent stem (iPS) cells into neural stem cells and into further complex tridimensional
structures, known as neurospheres and
brain organoids.
Agalliu also found that Th17 cells induced
by strep opened the BBB only in certain spots: Since strep enters the body through the nose, it made sense that he saw the BBB was pierced near the olfactory bulb, the
structure in the front of the
brain that processes odors.
By examining gene expression patterns, the new study found that parrot
brains are
structured differently than the
brains of songbirds and hummingbirds, which also exhibit vocal learning.
On the bright side, some people appear to overcome the ravages of a rotting
brain by recruiting new
brain systems or
structures to take over functions of old ones.
The shape of bird skulls is influenced
by the
structure of the
brain.
There is a long - standing hypothesis that all emotions are processed
by the same
brain structure, says Sprengelmeyer.
They use a special type of neural network called a «deep neural network» to do the processing — so named because its learning is performed through a deep layered
structure inspired
by the human
brain.
He isolated genetic mutations that altered the
structure of the ASPM protein and thus could have affected
brain size, while weeding out the random mutations that had no structural effect and hence would have been unaffected
by evolutionary pressures.
Apparently these things are not generated
by neurons but arise from the
brain's physical
structure and wiring.
Cosmic evolution, the
structure of matter, the origins of life, and understanding how the
brain works all deserve strengthened support, according to China's latest 5 - year development plan, which could triple funding for basic research
by 2020.
The recipe, described in Nature, allows human pluripotent stem cells to spontaneously attempt to assemble into a tiny approximation of a whole
brain by making whatever
brain structures the stem cells choose.
In the barely three years since biologists discovered how to create these «
brain organoids,» the lentil - sized
structures have taken neuroscience
by storm.
A study conducted
by researchers from the University of Zurich, Zurich University Hospital and the University Hospital of Psychiatry Zurich now reveals that the successful treatment of an anxiety disorder alters key
brain structures that are involved in processing and regulating emotions.
One of the channel's most intriguing roles is to regulate the frequency of nerve impulses conducted
by the SCN, a
structure located in the
brain that acts as a master clock to synchronize circadian rhythms throughout the body.
In this latest research, using algebraic topology, multiple tests were performed on the virtual
brain tissue to show that the multi-dimensional
brain structures discovered could never be produced
by chance.
He also cited neuroimaging studies showing that prolonged periods of reduced audio stimulation can lead to faster rates of atrophy, changing the
brain's
structure Additionally, social isolation caused
by hearing loss may contribute to further
brain decline, Lin said.
These studies are hampered
by large natural variation from person to person, which makes it hard to align
brain scans to reveal key differences in specific
structures.
By recording volume variations in the blood vessels irrigating the different
brain structures, it is therefore possible to determine the location of activated neurons.
Neuroscientists believe that memory forms when neurons in these key
brain structures are simultaneously activated
by glutamate and an electrical pulse, a result of everyday sensory experience.
The new study, led
by Catherine Lebel of the University of Calgary in Alberta, is the first to report associations between maternal depression and abnormal
brain structure in kids at this age.
The
structure of this enzyme was elucidated
by isolating clones from a bovine
brain complementary DNA library through the use of oligonucleotide probes derived from partial amino acid sequence.
But paleontologists have long been baffled
by their
brain structure, because most fossil specimens have been squished flat
by marine sediments.
The grand symphonic piece that is consciousness encompasses the foundational contributions of the
brain stem, forever hitched to the body, and the wider - than - the - sky imagery created in the cooperation of cerebral cortex and subcortical
structures, all harmoniously stitched together, in ceaseless forward motion, interruptible only
by sleep, anesthesia,
brain dysfunction, or death.
They found that overall, medication does indeed affect
brain structure and function to a degree detectable
by imaging.
Acceleration of aging may actually be part of the mechanism
by which degenerative disease disrupts the
structure and function of the
brain,» said Dr. Giniger.
The study
by primary authors Bernhard Meyer and Julia Huemer, published in the journal
Brain Structure and Function, was funded with resources from a special research program
by the Austrian Science Fund (Head: Harald Sitte) and an EU project (Head: Gunther Schumann).
Whether Arc is involved in regulating the plasticity of other neurological functions mediated
by other
brain structures, like learning, memory, or repair, remains to be tested but will be examined in the future, says Shepherd.
Located near the center of the
brain, the nucleus accumbens is connected,
by intermingled populations of cells, to many other
brain structures having roles in pleasure seeking and drug addiction.
The experiments were consistent in supporting the idea that sensations arising from twitches are not filtered: And without the filtering provided
by corollary discharge, the sensations generated
by twitching limbs are free to activate the
brain and teach the newborn
brain about the
structure and function of the limbs.
Early in her restless, inventive career, Elizabeth Phelps was trying to understand the deep
structure of memory
by showing word lists to people with amnesia — patients who'd survived a
brain injury or stroke but lost the ability to remember.