Sentences with phrase «into animal brains»

When these cells are transplanted into animal brains, they survive, and turn into the correct type of brain cell.

Once this was accomplished, they noticed the cells didn't function when transplanted into animal brains.

Researchers had experimented before with injecting blood into animal brains, to mimic a hemorrhage, and had indeed observed the onset of hydrocephalus.

Not exact matches

«Our brains are hard - wired to get us into investing trouble; humans are pattern - seeking animals... Our brains are designed to perceive trends even where they might not exist.

I saw an Animal Planet program last year about a toddler who ingested raccoon roundworm eggs at a playground and almost died as the larva went into his brain, ate through his -LSB-...]

The pair noticed that certain parts of the animal brain were inherently sensitive to repetition — regardless of whether it translated into a valued juice reward.

And when the team injected antibody - treated cells into mouse brains, the animals showed no symptoms at all, whereas animals injected with prion - infected, but untreated, cells died after about 160 days.

When injected into mice engineered with a tau mutation that makes the protein clump abnormally in brain cells, triggering memory and motor problems, the antibodies reduced the clumping and improved the animals» behavior.

So he implanted various human tumors — including ovarian, breast, colon, liver, and brain — into mice and then injected the animals with antibodies that disable CD47.

In 1885 German biologist Paul Ehrlich (best known for curing syphilis) discovered that if he injected a dye into the abdomen of animals, he could color all their organs — all except the brain.

The researchers have now provided further evidence for this new theory by showing that the abnormal protein coded for this genetic disorder can be transmitted to normal animals by the injection of diseased cells into their brain.

Instincts such as mating or fighting are innate behaviors generally thought to be hardwired into an animal's brain.

Chen agrees: He said his experiment «carries much less risk of creating animals with greater «brain power» than normal» because the human organoid goes into «a specific region of already developed brain.»

One concern raised by the human brain organoid implants «is that functional integration [of the organoids] into the central nervous system of animals can in principle alter an animal's behavior or needs,» said bioethicist Jonathan Kimmelman of McGill University in Montreal.

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.

The best microscopes currently available can detect light from 3 to 4 millimetres into the brain, enough to see light signals coming from the cortex of a small animal, but not enough to see deep - seated structures such as the hippocampus.

Then, instead of sending neural signals from the animal's brain to a robot, he shunts them back into the muscles of the paralyzed arm, thereby bypassing the spinal cord.

Injected into mice, synthetic prions punch tiny holes in brain tissue (right), compared with healthy animals (left).

Dissecting the animals» brains, he and his colleagues extracted tissue and injected it into the brains of healthy animals.

Ultrasound focused within the skull can trigger movement in animals — could it give us a safe way to plug technology into the brain?

By reversibly deactivating the new nerve fibers that grow, the neurobiologists were ultimately able to demonstrate for the first time that a group of these fibers is essential for the recovery of the motor function observed: Nerve fibers that grew into the spinal cord from the intact front half of the brain — changing sides — can reconnect the spinal cord circuits of the rats» paralyzed limbs to the brain, enabling the animals to grip again.

In one such approach, researchers surgically remove brain cells, use viruses to transfer genes to the cells, and then graft them back into the animal's brain tissue.

Earlier animal studies have shown that A-beta can move into the brain if it's injected into the bloodstream, but scientists didn't know whether A-beta from the blood can be plentiful enough to form plaques in the brain.

A subset of the implanted human stem cells matured into rotund, humanlike astrocytes in the animals» brains, taking over operations from the native mouse astrocytes.

In a lab near Deisseroth's office, Tye inserted a fiber - optic cable into a mouse's little brain at just the right spot, leaving enough slack for the animal to run around.

I wonder if the «uncanny valley», the discomfort experienced when confronted by a human - like android (12 January, p 35), could be related to the idea that our brains organise things into specific categories, such as dogs and fish under animals (5 January, p 10)?

On the other hand, the problem is, you know, with embryonic stem cells, they haven't been able to get stem cell lines from livestock animals that can proliferate in that way, without just sort of veering up in their own direction and turning into, instead of muscle, turning into brain tissue or bone tissue or something else.

While previous investigations into the protein's effects have used either mice in which gene expression was knocked out or transgenic animals that expressed human gene variants throughout their lifetimes, the MGH - MIND - led study used a different approach to investigate the effects of introducing the variant forms of the protein into brains in which plaque formation had already begun.

The results, published in May in Current Biology, suggest systems in one side of the brain remain active as people venture into unfamiliar sleep situations — an apparent survival strategy reminiscent of the unihemispheric sleep reported in certain animals.

The out - of - place organs extended information - transmitting nerve fibers known as axons into the animal's brain.

Rodents learn to put their heads under a microscope as a daily routine, letting researchers peer into their brains while the animals are relaxed and happy

This research offers key insights into how brain activity is shaped and refined as animals learn to repeat behaviors that evoke a feeling of pleasure.

In his new book Why Humans Like to Cry, neurologist Trimble delves into how evolution and culture seemingly shaped the human brain to express emotion on a higher level than the rest of the animal kingdom.

Their findings suggest that even the earliest animals had the makings of both vertebrate and invertebrate visual systems, and that some of the photoreceptor cells in the invertebrate brain were transformed through a series of steps into vertebrate eyes.

«Dolphins evolved from relatively small - brained animals like cows and hippos into this large - brained, highly specialized aquatic organism,» says Caro - Beth Stewart, an evolutionary biologist at the State University of New York, Albany, who was not involved in the research.

If lamprey software can help people with spinal injuries, it will be in the shape of animal brain circuitry realised on a chip wired into a human being — a kind of cyborg sandwich.

The emerald cockroach wasp, for example, transforms its formidable targets — cockroaches many times its size — into complacent meals for the wasps» hungry offspring by manipulating the animals» brain chemistry.

He added that the existence of episodic memory in lower animals has implications for research on human diseases that affect memory, including Alzheimer's, Parkinson's and Huntington's diseases, since the majority of research on the brain — and the drugs used to treat memory diseases and dementia — start out based on insights into how the brain works in rats.

Patrik Verstreken: «Our research into brain diseases is not possible without animal models.

The U.C. San Francisco team had previously shown that upping levels of GDNF into a part of the brain associated with drug addiction (the ventral tegmental area) dramatically curtailed the animals» habits.

In the late 1970s, while at the University of Utah, Olivera's students Craig Clark and Michael McIntosh tried injecting the cone snail venom directly into the brains of mice and discovered that different components of venom changed the animals» behavior.

Because the molecule must be injected into the brain, this kind of chemical - based fMRI won't be applied to humans anytime soon, says Jasanoff, but it could be used to probe addiction and disease using animals.

According to research published online in August in Nature Neuroscience, the mammalian brain seems to do the same, collapsing the world into a flat plane even as the animal skitters up trees and slips deep into burrows.

To find out whether the virus could help treat cancer in a living animal, the researchers injected either Zika virus or saltwater (a placebo) directly into the brain tumors of 18 and 15 mice, respectively.

In rodents, toxo's natural hosts, the parasite gets into the brain and makes the animals less fearful, resulting in them taking more risks.

Read previous Zoologger columns: The only males with more brain than females, How a blurry - eyed spider pounces on target, Gecko's amputated tail has life of its own, Unique life form is half plant, half animal, Transgender fish perform reverse sex flip, My brain's so big it spills into my legs, Dozy hamsters reverse the ageing process, To kill a mockingbird?

A decade ago, these similarities prompted neuroscientist Mathias Jucker at the University of Tübingen in Germany to test whether injecting brain extracts containing misfolded amyloid - β into mice could seed an abnormal build - up of amyloid in the animals» brains.

It cause animal brains to turn into a spongy mess in scrapie, a disease of sheep, and in bovine spongiform encephalopathy (BSE or «mad cow disease»), as well as in human prion diseases such as CJD.

Some worry that such human cells, when combined with animal embryos, could develop into brain cells, sperm, or egg cells in the chimeric offspring.

When Hayashi injected a mutant gene for PAK into mouse embryos and later killed the adult mice and dissected and examined their brains, she discovered that the animals» dendritic spines — branched stalks that receive input from neighboring neurons — were short, fat, and sparse.