Sentences with phrase «of brain surface»

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.

Not exact matches

Researchers compare this strange localized sleep to that of dolphins, who are able to rest underwater while some part of their brain stays active enough to remind them to surface for air every so often.
As we age, the brain — like any other organ — begins to work less efficiently, so signs of decline start to surface.
As we age, the brain — like any other organ — begins to work less efficiently, so normal signs of decline begin to surface.
When your brain becomes so preoccupied with the stress and anticipation of an impossible challenge, you can not think clearly or allow your ingenuity to surface.
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.
Water covers three quarters of the earth's surface and all of my brain.
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.
Up until the third trimester, the surface of your baby - to - be's brain was nearly smooth.
Groove patterns on the surface of modern chimpanzee brains throw a monkey wrench into proposals that some ancient southern African hominids evolved humanlike brain characteristics, a new study suggests.
Still, researchers have spent decades debating the implications of partially preserved brain surface features on hominid endocasts.
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.
MRIs of eight living chimps reveal substantial variability in the shape and location of certain features on the brain surface.
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.
Brain drain One set of images focused on gray matter at the brain's wrinkled surface, or cortex, where processing of speech, memory, motor control, emotion, sensory and other information ocBrain drain One set of images focused on gray matter at the brain's wrinkled surface, or cortex, where processing of speech, memory, motor control, emotion, sensory and other information ocbrain's wrinkled surface, or cortex, where processing of speech, memory, motor control, emotion, sensory and other information occurs.
Inside the brain, prions presumably latch onto PrPC molecules on the surface of nerve cells and impose the prion conformation.
These «organoids» can develop as many as six layers of cerebral cortex — the outer surface of the brain.
The device is an improved version of a clinical tool called an electrode grid, which is a plastic or silicone - based grid of electrodes that is placed directly on the surface of the brain during surgery to monitor the activity of large groups of neurons.
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.
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.
A close analysis of the brain scans revealed vastly different neural circuitry behind problems that seem similar on the surface.
He was listening to a young researcher expound on the virtues of extracting signals from the surface of the brain.
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.
This allows it to conform better to the intricately curved surface of the brain and obtain better readings.
«Ready Eagle go to red now... Ready Tiger go to green now...» As Lappas concentrated, a computer recorded hundreds of squiggly lines representing Lappas's brain activity as it was picked up from the surface of his scalp.
«Recording a thought's fleeting trip through the brain: Electrodes on brain surface provide best view yet of prefrontal cortex coordinating response to stimuli.»
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.
The scientists observed that transmission of chemical signals between the nerve cells are facilitated by AMPA - receptors and the activity occurs on the brain cell surface.
But unlike other brain implants, which either sit on the scalp or have to be jabbed into brain tissue, this one sits on the surface of the brain.
Recording the electrical activity of neurons directly from the surface of the brain, the scientists found that for a simple task, such as repeating a word presented visually or aurally, the visual and auditory cortexes reacted first to perceive the word.
In 1816, an Italian anatomist reported finding lymphatic vessels on the surface of the brain, but for two centuries, it was forgotten.
Once these alarm signals reach the surfaces of blood vessels lining the brain, the microglia produce a neurotoxic molecule called interleukin - 1 beta.
Your brain perceives the gradients where the tiles meet as curves, and you surmise that light hits the large, flat surface of the top tile and fades to shadow at its curved bottom edge; for the bottom tile, the opposite holds.
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.
The cortex of the brain reached a peak surface area 2.4 years earlier than the original data would have suggested.
She demonstrated that extracellular matrix in the brain decorates the surface of neurons with astonishing molecular variety, and that early experience regulates its expression.
Previous research had shown that nicotine seems to have conflicting effects on different types of nicotinic acetylcholine receptors, proteins on the surface of brain cells that respond to nicotine and the naturally occurring neurotransmitter acetylcholine.
The neural probes are placed directly on the surface of the brain, so safety is of paramount importance for the development of graphene - based neural implant devices.
It is an extraordinarily evolved part of the brain that is related to connections between neurons underneath the surface of the brain.
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.
Stolk plans future studies with Knight using fine - tuned brain mapping on the actual surfaces of the brains of volunteers, so - called electrocorticography.
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.
Specifically, the study relied on data collected at NYU ECoG, a center where brain activity is recorded directly from patients implanted with specialized electrodes placed directly inside and on the surface of the brain while the patients are performing sensory and cognitive tasks.
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