Sentences with phrase «in brain surface»

Not exact matches

In Trebek's case, a clot formed on the surface of the brain.

The brain neutralizes change by transferring it from the time within objects to the space between them, displacing the change that is ingredient in the object to a surface interaction as another property of space.

Like the human brain, we've barely scratched the surface of what life may be out there in our universe.

The cosmic tide may at one time have seemed to be immobilized, lost in the vast reservoir of living forms; but through the ages the level of consciousness was steadily rising behind the barrier, until finally, by means of the human brain (the most «centro - complex» organism yet achieved to our knowledge in the universe) there has occurred, at a first ending of time, the breaking of the dykes, followed by what is now in progress, the flooding of Thought over the entire surface of the biosphere.

The years of abuse in the boxing ring had left him brain damaged, excess fluid oozing onto the surface of his brain.

Beware of Mozart Information about the electrical wiring of the human brain surfaced in the late 1990's and led to a frenzy among anxious parents to do everything they could to «stimulate» their babies» brains, sometimes even before they were born.

Studying preterm infants in the Neonatal Intensive Care Unit (NICU) at St. Louis Children's Hospital, the researchers found that preemies whose daily diets were at least 50 percent breast milk had more brain tissue and cortical - surface area by their due dates than premature babies who consumed significantly less breast milk.

Early in pregnancy, the brain was just a smooth surface.

Some of these brains showed surface creases similar to ones that were thought to have signaled a turn toward humanlike brain organization in ancient hominids hundreds of thousands, if not millions, of years ago.

Endocast researchers need to study the range of brain surface characteristics in a larger sample of living chimps and other apes to make more accurate comparisons, Falk says.

MRIs of eight living chimps reveal substantial variability in the shape and location of certain features on the brain surface.

BRAINY CHIMPS Some modern chimps have brain surface features that were thought to have signaled humanlike brain evolution in hominids from as early as 3 million years ago, scans suggest.

Identification of in vivo sulci on the external surface of eight adult chimpanzee brains: implications for interpreting early hominin endocasts.

Mushrooms that contain the brain - altering compound psilocybin vary widely in terms of their biological lineage and, on the surface, don't appear to have a whole lot in common, he said.

Further study revealed that these so - called immune proteins are actually present on the surface of certain nerve cells, but that they functioned differently in the brain than they did in the rest of the body; rather than scouting for germs, they influenced signals sent between neurons.

The mice, which move backwards when they try to walk forwards on a smooth surface, have a gene for a mutated protein that prompts neurons in the cerebellum, a brain area that controls movement and balance, to die off.

This technique provides a measure of blood oxygen concentration in surface blood vessels, indicative of activity in the brain's outer layers, using a set of wearable probes in a cap that is placed on the head.

In the case of the soft, brain - like surface, the Wisconsin researchers believe that the mechanical properties of a surface are influencing a protein called YAP.

As SNX27 plays an important role in shuttling the AMPA - receptor to the brain cell surface, lower levels of SNX27 means fewer receptors are carried to the surface, which consequently interrupts the signal transmission and impairs memory.

In 1816, an Italian anatomist reported finding lymphatic vessels on the surface of the brain, but for two centuries, it was forgotten.

Electronic monitors now in development could mold to the brain's surface to sense aberrant electrical activity.

Microelectrodes in a clear silicon array rest on the brain surface.

That's your brain in there, with its convoluted surface and all those mysterious subsections.

If this line of reasoning is correct, then there are physical processes taking place on some distant surface that, much as a puppeteer pulls strings, are fully linked to the processes taking place in my fingers, arms, and brain as I type these words at my desk.

Further studies of casts of the inner braincase, which show impressions from surface features of the brain, may help clarify N. alesi's position in ape evolution, Nengo says.

She demonstrated that extracellular matrix in the brain decorates the surface of neurons with astonishing molecular variety, and that early experience regulates its expression.

«However, in all the mice we studied, the hexagons were oriented the same way with respect to the brain's surface.

To pinpoint where dNPF was acting in the brain, the researchers turned to dNPF receptors, or the proteins on the surface of neurons to which the peptide specifically binds.

Indeed, by examining brain tissue and slices from the cocaine - addicted rats at various stages of withdrawal and craving, Wolf and her colleagues discovered that the incubation period and the subsequent spike in craving appeared to correlate with the appearance of atypical AMPA receptors on the surface of neurons in the NAc, which could help explain cocaine craving.

We interpret virtual images as appearing behind the reflective surface that creates them because our brains naturally interpret light from visible objects as traveling to our eyes in straight lines.

In a bid to determine the regions of the brain concerned with these memorization difficulties, the researchers conducted magneto - encephalographs (a technique that allows very weak magnetic fields produced by neural activity to be measured at the surface of the head) on a group of amusics while they were performing a musical task.

According to his unpublished findings, when he puts glioblastoma cells from patients into lab dishes with brain organoids, the cells attach to the surface of the organoids, burrow into them, and within 24 to 48 hours grow into a mass that eventually «looks exactly like what happened in the patient's own brain,» Fine said.

More specifically, his work has shown that dopamine signalling in two connected brain regions involved in opiate - related memory processing, called the Basolateral Amygdala (BLA), a region deep within the brain, and the medial prefrontal cortex (mPFC), located near the surface of the brain, is switched by opiate exposure.

Interestingly, when Dr. Laviolette's team looked at dopamine signaling inside another brain region also involved in opiate related memory procession, and located closer to the surface of the brain, the mPFC, they found that this signaling was also switched by opiate exposure, but opposite to what was observed in the BLA.

One interesting outcome of the study was to show that an animal's movement triggers more firing among nerves in the deeper layers than in those nearer the surface of the brain.

Spontaneous SAH is an abnormality within the brain's arteries that weaken and leads to ruptures in the blood vessels on the surface of the brain, causing bleeding between the membranes surrounding the brain.

They put a battery on top of the head of each subject, sending a small current through the surface of the brain toward a group of neurons in the primary motor cortex.

The EPOC detects brain activity noninvasively using electroencephalography (EEG), a measure of brain waves, via external sensors along the scalp that pick up the electrical bustle in various parts of the furrowed surface of the brain's cortex, a region that handles higher order thoughts.

But the magnetic fields used in TMS affect only brain tissue near the brain's surface.

In addition to seeing green lymphatic cells in the zebrafish embryos, the researchers noticed that green cells also covered the surface of the tiny fish's brainIn addition to seeing green lymphatic cells in the zebrafish embryos, the researchers noticed that green cells also covered the surface of the tiny fish's brainin the zebrafish embryos, the researchers noticed that green cells also covered the surface of the tiny fish's brains.

In the current study, the researchers showed that FGPs are present on the surface of the zebrafish brain and that these blood vessel - associated FGPs do not arise from the immune system, as had been previously thought, but from endothelial cells themselves.

Those in the group with 22q deletion, which carries the risk for schizophrenia, had thicker gray matter, but less brain surface area — a measure which relates to how folded the brain is — compared to those in the duplication group.

The people in the 22q duplication group, who at risk for autism, had the opposite pattern, with thinner gray matter and larger brain surface area.

While his approach is grounded in current human clinical practice with surface recording arrays, the large scale and requirements of the NESD program require a dramatic departure from prior electrical approaches to brain interfaces.

To locate these areas, surgeons implant electrodes across the surface of the brain that need to stay in place for many days.

4 THE BEGINNING OF CONSCIOUSNESS Imagine holding a brain in your hand and looking at the surface of the cerebral cortex.

The scans, performed on 113 babies born at between 22 and 29 weeks, show that the more premature a baby, the slower it develops nooks and crannies in the cortex, the outer surface of the brain vital for the most advanced mental capabilities.

Already, complaints that NIH priorities do not include creating repositories of brain tissue, called brain banks, and that clinicians were not sufficiently involved in the planning process, have surfaced.

The microscopy techniques that permit imaging of brain cells in awake mice generally can't visualize anything deeper than a fraction of a millimeter below the brain's surface, whereas the mPOA is several millimeters deep.

«To make electroceuticals practical, devices must be miniaturized, and ways must be found to power them wirelessly, deep in the brain, many centimeters from the surface,» said Newsome, the Harman Family Provostial Professor and professor of neurobiology at Stanford.