Sentences with phrase «of young neurons»

In the nervous system, many such interactions guide the extensions of young neurons to their right destinations.

By adulthood the supply of young neurons had petered out entirely.

«Although running induces both substantial changes in number and morphology of young neurons as well as significant changes in learning behavior, this does not prove a causal relationship,» noted Professor Bischofberger, «Nevertheless, our results, together with previous findings, suggest that the enhanced pattern separation during memory testing is most likely mediated via running - induced increase in adult neurogenesis.»

The number of young neurons in intermediate to advanced stages of development was the same across people of all ages.

Not exact matches

The findings, published by Cell Press in the March 8 issue of the journal Neuron, may help to explain why young children often struggle to control selfish impulses, even when they know better, and could impact educational strategies designed to promote successful social behavior.

Healthy people in their 70s have just as many young nerve cells, or neurons, in a memory - related part of the brain as do teenagers and young adults, researchers report in the April 5 Cell Stem Cell.

Because the brain stores colour and shape in different groups of neurons, Vanessa Simmering at the University of Wisconsin in Madison suspected that young children have not yet developed the ability to link the information stored in each.

While these brain rhythms, occurring hundreds of times a night, move in perfect lockstep in young adults, findings published in the journal Neuron show that, in old age, slow waves during non-rapid eye movement (NREM) sleep fail to make timely contact with speedy electrical bursts known as «spindles.»

Several years ago researchers measured the older animals» production of new neurons — a process that usually diminishes with age — and found it could be rejuvenated by young blood.

GoDaddy.com's spot, in which a young, busty seductress tries to charm old, wrinkled corporate exec, «was one of the worst,» says Iacoboni, a neuroscientist and expert on mirror neurons.

LPA receptors are all over neural progenitor cells, which go on to form neurons and other types of cells in a young brain.

In his study, some of the cells his team initially flagged as young neurons turned out to be mature cells upon further investigation.

When Wyss - Coray's team tried a simpler experiment than parabiosis — giving old mice injections of plasma from young mice — they saw similar effects on the hippocampal neurons.

«Because of the Harvard Stem Cell Institute, we were able to work with other researchers to make patient cells into any type of neuron,» said Young - Pearse, whose lab spent two years fine - tuning protocols with collaborators to generate the neurons needed for her early onset Alzheimer's study.

Amyloid — an abnormal protein whose accumulation in the brain is a hallmark of Alzheimer's disease — starts accumulating inside neurons of people as young as 20, a much younger age than scientists ever imagined, reports a surprising new Northwestern Medicine study.

Amyloid — an abnormal protein whose accumulation in the brain is a hallmark of Alzheimer's disease — starts accumulating inside neurons of people as young as 20, a much younger age than scientists ever imagined.

In a study led by Duke Health and published in the journal Alcoholism: Clinical and Experimental Research, scientists demonstrate in rats that a short duration of the drug donepezil can reverse both structural and genetic damage that bouts of alcohol use causes in neurons, or nerve cells, in the young brain.

Young - Pearse and colleagues believe that their strategy of using induced pluripotent stem cells to reprogram patient skin cells into neurons of interest could be used to predict which therapeutics will best help early onset Alzheimer's patients.

A basic tenet of neural development is that young neurons make far more connections than they will actually use, with very little specificity.

When the scientists looked at the structure of the neurons in the insects» brains and eyes, they saw that while the tissue in very young flies was more or less intact, problems developed quickly.

When stem cells from the old brain are cultured with signals of a young choroid plexus they can divide and form new neurons (red).

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.

In the basal ganglia — a complex system of neurons in the brain responsible for, among other things, procedural learning — Bottjer and Achiro were able to isolate two different types of neurons in young songbirds: ones that were activated only when the birds heard themselves singing, and others that were activated only when the birds heard the songs of adult birds that they were trying to imitate.

Syntaphilin - deficient mature neurons therefore regained the ability to regrow after injury, just like young neurons, and removing syntaphilin from adult mice facilitated the regeneration of their sciatic nerves after injury.

A small animal study suggests that high doses of the virus, called adeno - associated virus 9, can cause severe liver and neuron damage in young monkeys and pigs.

John «Jack» Pettigrew, then a young medical student in Canberra, Australia, noted this fact in the mid 1960s, reasoning that the neural mechanism for stereopsis must entail another set of binocular neurons, ones that signal retinal disparity by processing noncorresponding retinal points.

«These cells somehow sense that they are needed, and begin to differentiate into cells that could take on the job of retinal neurons,» Young comments.

Because older progenitor cells can not make the range of neurons a younger cell can give rise to, she says, «the source of stem cells is going to be important.»

He says these young adults are doing the same thing that they have found leads to inhibition of D2 neurons.

The complexity of primate neocortex may be significantly increased by the interaction of the evolutionarily - speaking «younger» neurons with those originating in the more primitive zone.»

In a mirror study, chemotherapy administration in young and elderly mice resulted in a change in behavioral flexibility and alteration of neuron precursor proliferation in the hippocampal dentate gyrus.

«So the total yield of graft - derived neurons and glia (a type of brain cell that supports neurons) were much higher than the number of implanted cells, and we found that in both the young and aged hippocampus, without much difference between the two.»

«What was really exciting is that in both old and young brains, a small percentage of the grafted cells retained their «stemness» feature and continuously produced new neurons,» said Bharathi Hattiangady, assistant professor at the Texas A&M College of Medicine and co-first author of the study.

In people with autism, however, the number of neurons was higher than normal in young children and declined with age.

Health improvement (allowing to post - pone / escape the diseases and thus live, healthier / disease - free longer, but not above human MLSP of around 122 years; thus these therapies do not affect epigenetic aging whatsoever, they are degenerative aging problems not regular healthy aging problem (except OncoSENS - only when you Already Have Cancer - which cancer increases epigenetic aging, but cancer removal thus does not change anything / makes no difference about what happens in the other cells / about what happens in the normal epigenetic «aging» course in Normal non-cancerous healthy cells) Although there is not such thing as «healthy aging» all aging in «unhealthy» (as seen from elders who are «healthy enough» who show much damage), it's just «tolerable / liveable» enough (in terms of damage accumulating) that it does not affect their quality of life (enough yet), that is «healthy aging»: ApoptoSENS - Clearing Senescent Cells (this will have great impact to reduce diseases, the largest one, since it's all inflammation fueled by the inflammation secretory phenotype (SASP) of these senescent cells) AmyloSENS - Dissolving the Plaques (this will allow humans to evade Alzheimer's, Parkinsons and general brain degenerescence, allowing quite a boost; making people much more easily reach the big 100 - since the brain is causal to how long we live; keeping brain amyloid - free and keeping our memories / neuron sharp / means longer LongTerm Potentiation - means longer brain function means longer heavy brain mass (gray matter / white matter retention seen in «sharp - witted» Centenarians who show are younger brain for their age), and both are correlated to MLSP).

A striking example of this is MPP +, a well - established neurotoxin that specifically attacks the SNc dopaminergic neurons in lab mice, monkeys — and in humans: MPP +'s parent compound, MPTP, has caused numerous cases of Parkinson's - like syndrome in young people exposed to it in underground drug labs, or via contaminated street drugs.1

«We found that older people have similar ability to make thousands of hippocampal new neurons from progenitor cells as younger people do,» lead author Maura Boldrini and associate professor of neurobiology at Columbia Universtiy says.

What they discovered was that in young mice, the tiny protrusions that sometimes develop into longer spines on the receiving end of neurons grew at a rapid rate.

Furthermore, this line expressed Gal4 in a small region of the wing pouch and a number of neurons during the younger developmental stages.

Overall, the study found, older and younger brains had similar numbers of «intermediate» progenitor cells and «immature» neurons — signaling that older people had a similar capacity for generating new cells as young people.

In general, old and young brains were capable of making the same number of new neurons from more primitive «progenitor» cells in the hippocampus.

When you're young, the orphaned neurons often sprout new axons that connect them to other motor neurons — so the number of motor units decreases, but the amount of muscle you can use stays the same.

Transmission electron microscopy with colloidal gold immunocytochemistry showed structural damage in young and aged microvessel endothelium of ApoE4 animals extended to the cytoplasm of perivascular cells, perivascular nerve terminals and hippocampal neurons and glial cells.

Todd Morgan, lead author of the new study and a research professor in gerontology at USC explained his findings thusly, the Times reports: «Our data would suggest that freeway pollution could have a profound effect on the development of neurons and brain health in children and young kids, especially those who attend schools built alongside freeways.»

A recent and compelling study entitled Neurons to Neighborhoods, conducted by the Board on Children, Youth, and Families of the Institute of Medicine, calls attention to the importance of early emotional development in young children.1 Based on a careful review of neuroscience and developmental research, it highlights compelling evidence that a child's earliest experiences and relationships set the stage for how a child manages feelings and impulses, and relates to others.