Sentences with phrase «of neural tissue in»

But she had to improve the sensitivity of the technique so that it could detect the isotopic ratio in DNA from the roughly 6 - gram sliver of neural tissue in the hippocampus thought to produce new neurons, the dentate gyrus.

The cerebral cortex is the outermost layer of neural tissue in the brain and is one of the most extensively studied brain structures in the field of neuroscience.

Intriguingly, they showed that over the two - year period, degeneration of neural tissue in the basal forebrain predicted subsequent tissue degeneration in the temporal lobe, but not the other way around.

Not exact matches

Focusing on the neural pathway from the brain's prefrontal cortex to the amygdala, they combined optogenetics — a technique that uses light to control the activity of neurons in living tissue — with behavioral testing, a methodology that allows researchers to study functional connections between different regions of the brain.

«It's useful in modeling concepts in neuroscience to have a system that will yield a diverse range of behaviors for small changes of a control parameter, as this may help offer some insights about how the same neural tissue displays different responses,» Alonso said, whose research was funded by a fellowship from the Leon Levy Foundation.

By comparing how fast the neural circuits in the retina perform image - processing operations with how many instructions per second it takes a computer to accomplish similar work, I believe it is possible to at least coarsely estimate the information - processing power of nervous tissue — and by extrapolation, that of the entire human nervous system.

They tested neural tissue from people who had died from Huntington's disease, a degenerative disorder of nerve cells in the base of the brain.

«We'll continue to investigate mechanisms by which neural tissue bridges to repair the spinal cord in zebrafish, taking advantage of the power of genome editing to examine other factors,» said Poss.

Saatchi, which is owned by France's Publicis Groupe, SA, chose LifeStraw over a field of competitors that included a reusable controller to improve the distribution of IV fluids, a collapsible wheel that can be folded down for easier storage when not in use on bicycles or wheelchairs, an energy - efficient laptop designed for children in developing countries, a 3 - D display that uses special optics and software to project a hologramlike image of patient anatomy for cancer treatment, an inkjet printing system for fabricating tissue scaffolds on which cells can be grown, a visual prosthesis for bypassing a diseased or damaged eye and sending signals directly to the brain, books with embedded sound tracks to help educate illiterate adults on health issues, a phone that provides telecommunications coverage to poor rural populations in developing countries, and a brain - computer interface designed to help paralyzed people communicate via neural signals.

In 1992, for instance, the Center for Food Safety and Applied Nutrition, an office of the U.S. Food and Drug Administration, sent a letter to all manufacturers of dietary supplements asking them to «investigate the source of your neural and glandular tissues or tissue extracts of bovine or ovine species to determine if they are being produced in known BSE countries.&raquIn 1992, for instance, the Center for Food Safety and Applied Nutrition, an office of the U.S. Food and Drug Administration, sent a letter to all manufacturers of dietary supplements asking them to «investigate the source of your neural and glandular tissues or tissue extracts of bovine or ovine species to determine if they are being produced in known BSE countries.&raquin known BSE countries.»

«Calcium signaling regulates many important cellular functions, like muscle contraction, neural communication, gene transcription and tissue growth,» said Fenfang Li, a postdoctoral research fellow in Zhong's laboratory and lead author of the study.

The team detected neural tissue, cartilage, and liver cells in the areas of the scaffold where corresponding hormones had been applied.

They found that the genomic regions showing the most extreme signatures were involved in the development of the neural crest, and expressed within tissues derived from the neural crest.

Even more encouraging, the engineered tissues still continued to produce human neural, cartilage, and liver cell proteins, the team reports online this week in the Proceedings of the National Academy of Sciences.

In their new paper, Zhang and colleagues used an AI - based convolutional neural network to review more than 200,000 eye scans conducted with optical coherence tomography, a noninvasive technology that bounces light off the retina to create two - and three - dimensional representations of tissue.

In addition, we were able to differentiate these cells into neurons — and that's a characteristic of all neural crest - derived tissue and its progenitors»

The team found that people have large numbers of neural stem cells and progenitors early in life — an average of 1618 young neurons per square millimeter of brain tissue at birth.

Working with the brains of six normal children and seven autistic children ages 2 to 16, most of whom died of drowning, Courchesne has studied neurons under the microscope and even counted the number of neural cells in different tissue samples.

In the near future, the researchers hope to grow mini-brains from the stem cells to observe the long - term effects of Zika infection on neural tissue and to screen for potential therapeutics.

Several specimens of the species, Fuxianhuia protensa (left), contain dark areas within their eye stalks (see fossil, above right; gray areas in sketch, bottom right) that represent preserved clusters of neural tissue, including clumps along the optic nerve (labeled 1 through 3 in the sketch) and the brain (lowermost mass).

Several years ago, one of the students in Verma's lab noticed that BRCA1 is very active in the neuroectoderm, a sliver of embryonic tissue containing neural stem cells that divide and differentiate into the brain's vast assortment of cell types and structures.

Neural stem cell lines derived from human fetal brain tissue achieved the same feats, the researchers report in the October issue of Nature Neuroscience.

In mice and humans alike, the cerebral cortex — the outermost layer of brain tissue associated with high - level functions such as memory and decision - making — starts out as a spherical sheet of tissue made up of only neural stem cells.

Challenges stem from the kinetic nature and mechanical softness of brain tissue, tissue responses to implanted foreign bodies as well as our limited ability to control neural circuits and regenerative processes in situ.

«We can use this technology to study the function of different proteins in live cells or tissues so that we can understand their contribution to neural processes or diseases,» said Wang.

To identify the molecular mechanisms of neural stem cell plasticity in adult zebrafish brain after various types of tissue damage or physiological stimulations

Early in embryonic development, the neural crest — a transient group of stem cells — gives rise to parts of the nervous system and several other tissues.

The self - renewable capacity of these cells, their ability to differentiate into several tissue progenitors (neural, mesenchymal stem cells...), and the possibility to work with mutated cell lines define human stem cells as a good basis for screening compounds libraries in order to discover new potential drugs for monogenic diseases.

Using fruit flies as our initial models, we are identifying which microRNAs are acting as genetic regulators of stress responses in neural tissues.

Neural specificity of the RNA binding protein Elav is achieved by post-transcriptional repression in non-neural tissues.

Microinjection of membrane - impermeable molecules into single neural stem cells in brain tissue.

We can now predict confidently that to crack the neural code in mapping the human brain, neuroscientists will have to develop an account of the connections and tissue properties of these active wires.

Analysis of FOXP2 gene targets in human neural tissues reveal that a subset of these play roles in activity - based sculpting of neural connections, including during learning [48], [49].

And concerning the tissue which is involved with the neural drive, this would theoretically occur in a direct response for the requirement of contracting the cells via the hypertrophied contractile mechanisms.

The benefits of multi-joint exercises (in terms of muscle tissue activation, hormonal response, neural coordination among muscles, and metabolic demands) far outweigh those of single - joint exercises, and for the best results, most workouts should revolve around these multi-joint exercises.

This is because 40 percent of the nerve fibers in the brain connect to the eye and roughly half of our neural tissue is related to vision.

In that same paper from 1957 that R.S. Fixot published in the American Journal of Opthamology (summarized here), 50 % of our neural tissue is directly or indirectly related to vision, which assists in visual learninIn that same paper from 1957 that R.S. Fixot published in the American Journal of Opthamology (summarized here), 50 % of our neural tissue is directly or indirectly related to vision, which assists in visual learninin the American Journal of Opthamology (summarized here), 50 % of our neural tissue is directly or indirectly related to vision, which assists in visual learninin visual learning.

DHA is a fatty acid involved in modulating inflammation in the joints and skin; it also is a structural component of neural tissue.