Sentences with phrase «surface of the brain»

Eventually, they can develop as many as six layers of cerebral cortex — the outer surface of the brain.

Neuronal cell types in the brains of birds linked to goal - directed behaviors and cognition are similar to cells in the mammalian neocortex, the large, layered structure on the outer surface of the brain where most higher - order processing takes place.

This allows it to conform better to the intricately curved surface of the brain and obtain better readings.

Stolk plans future studies with Knight using fine - tuned brain mapping on the actual surfaces of the brains of volunteers, so - called electrocorticography.

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.

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.

Doctoral student Laura Hamilton was astonished to find fat droplets near the stem cells, on the inner surface of the brain in mice predisposed to develop the disease.

These «organoids» can develop as many as six layers of cerebral cortex — the outer surface of the brain.

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

Colson, 80, fell ill while speaking Friday at a conference outside Washington and «underwent surgery on Saturday morning to remove a pool of clotted blood on the surface of his brain,» the statement said.

Chuck Colson, 80, underwent surgery this month to remove a pool of clotted blood on the surface of his brain.

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

ErbB4 itself encodes a receptor found on the surface of brain cells.

It also enhanced the richness of the information measured from the surface of the brain.

«This experiment shows we can resolve functional and cognitive activity from the surface of the brain using these electrodes,» Dayeh said.

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.

He was listening to a young researcher expound on the virtues of extracting signals from the surface of the brain.

«Our goal is to develop a tool that can obtain more reliable information from the surface of the brain,» said electrical engineering professor Shadi Dayeh, who co-led the study with neuroscience professor Eric Halgren and electrical engineering professor Vikash Gilja, all at UC San Diego.

Jonathan Miller, assistant professor of neurosurgery at Case Western Reserve School of Medicine and director of the Functional and Restorative Neurosurgery Center at UH, led a team of surgeons who implanted two 96 - channel electrode arrays — each about the size of a baby aspirin — in Kochevar's motor cortex, 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.

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.

Josef Parvizi and his colleagues at Stanford University in California enlisted the help of three people with epilepsy whose therapy involved placing a grid of electrodes on the surface of their brain that record activity.

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.

Some cases may be caused by an autoimmune reaction to certain proteins on the surface of brain cells.

Before the electrodes were implanted, small biopsies were removed near the surface of the brain and multiplied in culture to generate millions of patient - specific cells that were then subjected to genetic analysis.

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.

The author laid out a how - to list to find the VOF, and it became clear why others missed it: It is about half an inch from the surface of the brain.

Their e-Dura implant is designed specifically for implantation on the surface of the brain or spinal cord.

Recent neuroimaging findings have notably suggested the existence of abnormal cortical folding (the formation of convolutions on the surface of the brain).

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.

Her e-Dura implant is designed specifically for implantation on the surface of the brain or spinal cord.

This sample, from Human cerebral cortex, shows a large blood vessel at the surface of the brain (top), which sends down thin, densely branched capillaries to deliver blood throughout the entire cortex.

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.

Previous work on addiction and post-traumatic stress has shown that these proteins — which are found on the surface of brain cells — are essential to memory formation.

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

The UW team tested electrodes on the surface of the brain, underneath the skull.

They're in the wings of insects, the surface of our brains, the fabric of umbrellas, even the crust of the Earth.

The cortex is the thin layer of cells on the surface of the brain that governs many functions, and in elephants it contains a greater variety of cell types (such as the extensively branched neuron pictured above) than is found in more frequently studied animals such as rodents and primates.

That gave them a detailed view of the surface of the brain and the nasal cavities.

«In patients, the surface of the brain is hardly grooved but instead more or less smooth,» explains Vira Iefremova, PhD student and lead author of the study.

An endocast reproduces the shape and, with varying success, details of the surface of the brain that were imprinted on the walls of the braincase while an individual was alive.

Medulloblastomas are rapidly growing tumours that, unlike most brain tumours, spread through the cerebrospinal fluid to different locations along the surface of the brain and spinal cord.

In order to identify the part of their brains responsible for seizures, the patients underwent 1 to 4 weeks of observation through electrocorticography (ECoG), a technique that provides precise neural recordings via electrodes placed directly on the surface of the brain.

They next listed the stimulation sites, either deep in the brain or on the surface of the brain, thought to be effective for the treatment of each of the 14 diseases.