| 单词 | neurogenesis |
| 例句 | When we prevented neurogenesis, the mice no longer avoided other mice. The Sense of Style 2014-09-04T00:00:00Z First, the scientists taught adult mice, which have a lower rate of neurogenesis, similar to an adult human brain, to navigate a maze. Perspective | What happens to our lost childhood memories? Motherhood sent me looking for answers. 2021-02-04T05:00:00Z The converse was true with young mice, which, like human children, have higher rates of neurogenesis and would be more prone to forgetting what they learned about the maze. Perspective | What happens to our lost childhood memories? Motherhood sent me looking for answers. 2021-02-04T05:00:00Z But when researchers boosted their neurogenesis in experiments, they did. Perspective | What happens to our lost childhood memories? Motherhood sent me looking for answers. 2021-02-04T05:00:00Z Unlike alcohol, it does not destroy brain cells; on the contrary, extensive research has shown that THC and other phytocannabinoids protect brain cells and promote neurogenesis, the creation of new brain cells. Pot: Not just for losers! 2012-08-15T11:44:00Z That means those memorable events could even overcome the effects of neurogenesis. Perspective | What happens to our lost childhood memories? Motherhood sent me looking for answers. 2021-02-04T05:00:00Z First, the researchers found that these placozoan cells differentiate from a population of progenitor epithelial cells via developmental signals that resemble neurogenesis, the process by which new neurons are formed, in cnidaria and bilateria. Tiny sea creatures reveal the ancient origins of neurons 2023-09-19T04:00:00Z Interestingly, both exercise and some antidepressant medications also promote neurogenesis in the hippocampus. Concepts of Biology 2013-04-25T00:00:00Z The complexity of the pathology makes the neurogenesis approach especially attractive. A Neurologist Answers Questions Patients Might Have about the New Alzheimer’s Drug Lecanemab 2023-01-27T05:00:00Z Interestingly, exercise also promotes neurogenesis in the hippocampus. Biology for AP Courses 2022-06-09T00:00:00Z But which molecules were released into the bloodstream to spark this “neurogenesis” remained unclear. Widely available supplement may explain brain boost from exercise 2022-02-03T05:00:00Z Complex studies using specialized dyes to identify newborn cells indicated that some parts of our brains create neurons deep into adulthood, a process known as neurogenesis. How Walking Can Build Up the Brain 2021-07-14T04:00:00Z Her focus is now on exploring how stress affects a squirrel’s ability to form new neurons — a process called neurogenesis — in an area of the brain called the hippocampus. Perspective | Stress test: Scientists go inside the brains and bloodstreams of squirrels 2021-04-10T04:00:00Z There are experimental medicines, one of which our lab is working on, that stimulate neurogenesis in the hippocampus, the brain’s memory hub. A Neurologist Answers Questions Patients Might Have about the New Alzheimer’s Drug Lecanemab 2023-01-27T05:00:00Z While neurogenesis is quite limited compared to regeneration in other tissues, research in this area may lead to new treatments for disorders such as Alzheimer’s, stroke, and epilepsy. Biology for AP Courses 2022-06-09T00:00:00Z The recovery effects seemed dependent on the neurogenesis boost: In a mouse model where the scientists could “delete” newly formed neurons, the beneficial effects of selenium disappeared. Widely available supplement may explain brain boost from exercise 2022-02-03T05:00:00Z Follow-up studies then established that exercise amplifies neurogenesis. How Walking Can Build Up the Brain 2021-07-14T04:00:00Z She’s comparing rates of neurogenesis in squirrels from different environments and looking at whether a heightened ability to generate neurons is passed from mother to offspring. Perspective | Stress test: Scientists go inside the brains and bloodstreams of squirrels 2021-04-10T04:00:00Z We were further amazed that both conditions increased neurogenesis in different ways. Neuroscientist’s research helped unearth how human brains can make new cells 2021-02-05T05:00:00Z Research performed during the last few decades indicates that neurogenesis, the birth of new neurons, continues into adulthood. Biology for AP Courses 2022-06-09T00:00:00Z The new results are “another piece of the puzzle” of how exercise impacts neurogenesis and cognition, says Sandrine Thuret, a neuroscientist at King’s College London who was not involved with the work. Widely available supplement may explain brain boost from exercise 2022-02-03T05:00:00Z The OB is also one of the only areas of your brain that continues to produce brain cells, in a process called neurogenesis, throughout your life. People missing the scent region of their brain can still smell 2020-02-08T05:00:00Z The Salk group and others went on to demonstrate that exercise-induced neurogenesis is associated with improved performance on memory-related tasks in rodents. Why Your Brain Needs Exercise 2019-12-17T05:00:00Z The mice that spent time running and playing showed evidence of neurogenesis in an area of the brain called the dentate gyrus of the hippocampus. Neuroscientist’s research helped unearth how human brains can make new cells 2021-02-05T05:00:00Z In a paper published in 2014, the researchers found precisely the opposite: rather than making the animals’ memories better, increasing neurogenesis caused the mice to forget more3. The forgotten part of memory 2019-07-23T04:00:00Z “Methodologically, it sets the bar for future studies,” says Gage, who was not involved in the new research but was the senior author in 1998 of a paper that found the first evidence for neurogenesis. The Adult Brain Does Grow New Neurons After All, Study Says 2019-03-25T04:00:00Z But she added there was potential in using neurogenesis as a marker for Alzheimer’s before it took hold. Humans can make new brain cells into their 90s, scientists discover 2019-03-25T04:00:00Z The work “provides clear, definitive evidence that neurogenesis persists throughout life,” says Paul Frankland, a neuroscientist at the Hospital for Sick Children in Toronto, Canada. New neurons for life? Old people can still make fresh brain cells, study finds 2019-03-25T04:00:00Z A: Our goal was to see if neurogenesis was also going on in humans. Neuroscientist’s research helped unearth how human brains can make new cells 2021-02-05T05:00:00Z In healthy brains there was a "slight decrease" in the amount of this neurogenesis with age. New brain cells made throughout life 2019-03-25T04:00:00Z In healthy animals, neurogenesis promotes resilience in stressful situations, Gage says. The Adult Brain Does Grow New Neurons After All, Study Says 2019-03-25T04:00:00Z Another growth factor, BDNF, promotes neurogenesis in animals and may enhance resilience in humans. Opinion | How to Be More Resilient 2018-12-15T05:00:00Z The finding was deflating for neuroscientists like Frankland, who studies adult neurogenesis in the rodent hippocampus, a brain region involved in learning and memory. New neurons for life? Old people can still make fresh brain cells, study finds 2019-03-25T04:00:00Z Last year, two studies were published showing that there is still neurogenesis in the hippocampus in older people and those who died with Alzheimer’s disease. Neuroscientist’s research helped unearth how human brains can make new cells 2021-02-05T05:00:00Z Without this neurogenesis, or continuous remodeling in those regions, it’s less likely for those memories to get erased. Why Don't We Forget How to Ride a Bike? 2018-11-15T05:00:00Z On the other hand, blocking hippocampal neurogenesis early in Alzheimer’s worsened nerve cell health later in stages, leading to degeneration of the hippocampus and, subsequently, memory function. How Exercise Might "Clean" the Alzheimer's Brain 2018-10-16T04:00:00Z The new study suggests neurogenesis alone might not be enough. How does exercise keep your brain young? 2018-09-06T04:00:00Z One of the thorniest debates in neuroscience is whether people can make new neurons after their brains stop developing in adolescence—a process known as neurogenesis. New neurons for life? Old people can still make fresh brain cells, study finds 2019-03-25T04:00:00Z We are also studying the effects of diet on inflammation, which appears to block vascular health and neurogenesis. Neuroscientist’s research helped unearth how human brains can make new cells 2021-02-05T05:00:00Z It claims neurogenesis persists through adulthood at a largely unchanged rate. Do adult human brains renew their neurons? 2018-04-12T04:00:00Z Moreover, increasing neurogenesis in the earliest stages of the disease may protect against neuronal cell death later in the disease, providing a potentially powerful disease-modifying treatment strategy. How Exercise Might "Clean" the Alzheimer's Brain 2018-10-16T04:00:00Z Boosting neurogenesis, researchers speculate, might prevent or treat depression, Alzheimer’s disease, and other brain disorders. Top stories: ‘self-taming’ mice, virulent fake news, and how dogs track a scent 2018-03-09T05:00:00Z Researchers have long hoped that neurogenesis could help treat brain disorders like depression and Alzheimer’s disease. New neurons for life? Old people can still make fresh brain cells, study finds 2019-03-25T04:00:00Z The researchers’ careful approach also speaks to the challenges of performing neurogenesis work in humans. Questioning human neurogenesis 2018-03-06T05:00:00Z Boosting neurogenesis, researchers speculate, might prevent or treat depression, Alzheimer's disease, and other brain disorders. Study questions whether adults can really make new neurons 2018-03-07T05:00:00Z In infants, new neurons are born quite often in a process called neurogenesis. Why Don't Babies Smile From Birth? 2018-02-06T05:00:00Z These findings implicate Kctd13 in the regulation of neuronal function relevant to neuropsychiatric disorders and clarify the role of Kctd13 in neurogenesis and brain size. Kctd13 deletion reduces synaptic transmission via increased RhoA 2017-10-31T04:00:00Z From the youngest to oldest donors, the number of apparent new neurons decreased by 30%—a trend that fits with previous studies in humans showing that adult neurogenesis declines with age. New neurons for life? Old people can still make fresh brain cells, study finds 2019-03-25T04:00:00Z First, they observed neurogenesis in the hippocampus of infants and children, which served as a positive control. Questioning human neurogenesis 2018-03-06T05:00:00Z "It raises concern that levels of neurogenesis are too low to be functionally important" in humans, adds another observer, René Hen, a neuroscientist at Columbia University. Study questions whether adults can really make new neurons 2018-03-07T05:00:00Z By slowing neurogenesis in infant mice, she showed that they were more able to remember. Why Don't Babies Smile From Birth? 2018-02-06T05:00:00Z The degree of neurogenesis stimulated by animal therapy, and how lasting the effects might be, is difficult to measure. Why Close Encounters With Animals Soothe Us 2017-05-18T04:00:00Z In that case, neurogenesis — the growth of new neurons — in the young animals’ brains declined, suggesting there was a toxic effect from the old blood. Giving young blood to older animals raises tantalizing possibilities for people 2017-04-14T04:00:00Z Third, they used diverse markers of neurogenesis to gain multiple lines of evidence. Questioning human neurogenesis 2018-03-06T05:00:00Z “It’s well known that running increases neurogenesis” — that is, the creation of new brain cells — according to J.L. Jogging the Brain 2016-11-22T05:00:00Z It is possible that some types of long-term memory might be more affected by neurogenesis after exercise than others, he said. Exercise Boosts Brain Health, but Is There a Downside? 2016-08-24T04:00:00Z They found that those brain cells started making more proteins related to neurogenesis. Can Running Make You Smarter? 2016-07-13T04:00:00Z The researchers believe it’s possible that exercise leads to greater neurogenesis—the development of nervous tissue, as well as more synaptic plasticity—the ability of the brain’s neural pathways to keep changing and growing. Too Much TV as a Young Adult May Damage the Brain by Midlife 2015-12-02T05:00:00Z At the other end of the developmental spectrum, even in rodents, neurogenesis is very low by middle age2. Questioning human neurogenesis 2018-03-06T05:00:00Z The important thing is that while we saw effects on neurogenesis, we also saw effects on other systems in the brain. Asthma drug could rejuvenate ageing brains, study suggests 2015-10-27T04:00:00Z But this increase is not a good thing, Gore says; the number of cells birthed during this phase of neurogenesis is exquisitely controlled and carefully timed, to ensure proper function later in life. BPA and Its Substitute Alter Brain Growth, Linked to Hyperactivity New experiences trigger the release of dopamine, motivating us, which in turn leads to neurogenesis, or the creation of new neurons and new neural connections. Stop. Reflect. Try New Things. 2014-10-14T04:00:00Z As we age, neurogenesis slows, and the hippocampus achieves a balance of memory formation and retention. Why Can’t You Remember Being a Baby? 2014-07-30T04:00:00Z Exercise in rodents and humans has been shown in previous studies to promote neurogenesis. New brain cells could wipe out old memories, study says To see whether this process, known as neurogenesis, could drive the loss of childhood memories, researchers ran tests with animals trained to fear a particular environment through electric shock. Observatory: New Neurons Found to Overwrite Old Memories 2014-05-12T19:18:34Z And neurogenesis in the hypothalamus happens very similarly in all vertebrates, or animals with backbones, she says. BPA and Its Substitute Alter Brain Growth, Linked to Hyperactivity Josselyn says that rapid neurogenesis in many young animals could help to explain the phenomenon across species. New Brain Cells Erase Old Memories 2014-05-12T14:40:00Z Age-related decline of neurogenesis and cognitive function is associated with reduced blood flow and decreased numbers of neural stem cells. [Report] Vascular and Neurogenic Rejuvenation of the Aging Mouse Brain by Young Systemic Factors 2014-05-08T18:26:47.109Z Consistent with this, increasing neurogenesis after the formation of a memory was sufficient to induce forgetting in adult mice. [Research Article] Hippocampal Neurogenesis Regulates Forgetting During Adulthood and Infancy 2014-05-08T18:26:22.754Z Infant mice treated with drugs to slow neurogenesis were also better at retaining memories of the shocks than those not given drugs. Observatory: New Neurons Found to Overwrite Old Memories 2014-05-12T19:18:34Z It was at his Columbia University lab, in 2007, where they witnessed telltale signs of neurogenesis for the first time in live humans. The Single Most Proven Way To Get Smarter and Happier 2014-04-07T14:35:31Z Amar Sahay, a neuroscientist at Massachusetts General Hospital in Boston, says that most previous work, including his own, has focused on the effects of neurogenesis before memory formation. New Brain Cells Erase Old Memories 2014-05-12T14:40:00Z Muscle function declines with age, as does neurogenesis in certain brain regions. [Report] Vascular and Neurogenic Rejuvenation of the Aging Mouse Brain by Young Systemic Factors 2014-05-08T18:26:47.109Z As this continuous addition remodels hippocampal circuits, computational models predict that neurogenesis leads to degradation or forgetting of established memories. [Research Article] Hippocampal Neurogenesis Regulates Forgetting During Adulthood and Infancy 2014-05-08T18:26:22.754Z But when treated with drugs that stimulate neurogenesis, they, too, were more likely to forget. Observatory: New Neurons Found to Overwrite Old Memories 2014-05-12T19:18:34Z A large portion of depression research is associated with trying to ascertain the role of neurogenesis, the process by which the brain generates new neurons. Why Do Antidepressants Take So Long to Work? 2013-11-13T12:45:04.437Z The latest work, by examining what happens after learning, paints a more complete picture of the relationship between neurogenesis and long-term memory management. New Brain Cells Erase Old Memories 2014-05-12T14:40:00Z We show that factors found in young blood induce vascular remodeling, culminating in increased neurogenesis and improved olfactory discrimination in aging mice. [Report] Vascular and Neurogenic Rejuvenation of the Aging Mouse Brain by Young Systemic Factors 2014-05-08T18:26:47.109Z However, increasing neurogenesis after memory formation induced infantile amnesia in these species. [Research Article] Hippocampal Neurogenesis Regulates Forgetting During Adulthood and Infancy 2014-05-08T18:26:22.754Z Ensheath synapses, regulate neuronal excitability and synaptic transmission.Respond to injury by secreting extracellular matrix proteins.Implicated in neurogenesis, cell migration, and many neurological and psychiatric disorders. Neuroscience: Map the other brain 2013-09-05T20:20:29.767Z Others suggest that it helps with neurogenesis and plasticity, strengthening neuronal connections. 5-HT1A Receptors and the Effectiveness of ECT 2013-06-03T13:15:04.577Z And if the end result is an increase in neurogenesis no matter what…why does ketamine work in patients where nothing else works? Fighting Depression with Special K 2013-05-27T14:45:02.813Z In infant mice, they discovered that decreasing neurogenesis after memory formation meant that the normal forgetting observed at this age did not occur. Neuron growth 'cuts memory space' 2013-05-25T02:11:56Z And the authors of this study took the opportunity to try and examine WHY those differences in neurogenesis might be occurring. Becoming an individual twin isn't about genetics or environment, but how you experience them 2013-05-20T13:15:03.320Z By measuring the effect of cortisol over time, they found that increased levels of SGK1 prolong the damaging impact of stress hormones on neurogenesis. Stress study offers clues for new antidepressant drugs 2013-05-06T19:10:34Z But if it is, it’s a very interesting idea for how anxiety disorders might form and how they might be treated, by targeting hippocampal neurogenesis specifically. The Overgeneralization of Generalized Anxiety Disorder 2013-04-29T13:45:09.427Z And a growing and very appealing body of science has established that exercise spurs the creation of new brain cells, a process known as neurogenesis. Well: Sex Hormones and the Brain 2012-09-12T04:09:10Z This is a very interesting and elegantly executed study which shows a direct link between neurogenesis and memory formation. Neuron growth 'cuts memory space' 2013-05-25T02:11:56Z So it was no surprise that, in the mice exposed long term to the awesome mouse paradise, hippocampal neurogenesis was increased. Becoming an individual twin isn't about genetics or environment, but how you experience them 2013-05-20T13:15:03.320Z On account of the contradictory evidence and technical challenges, many neuroscientists are not prepared to put the question of neurogenesis in the human olfactory bulb to rest. How Nuclear Fallout Casts Doubt on Renewal of Some Adult Brain Cells 2012-06-07T16:15:02.790Z The news about this particular form of neurogenesis, however, isn’t so wonderful. How Your Brain May be Keeping You Fat 2012-05-30T15:28:07Z Unexpectedly, however, the animals in this experiment that could not use the DHT in their brains did not experience enhanced neurogenesis. Well: Sex Hormones and the Brain 2012-09-12T04:09:10Z The mice also showed reductions in neurogenesis in the hippocampus, and a rough coat state and decreased grooming, all signs of a mouse not taking care of itself. Stress and antidepressants: by their powers combined 2012-05-28T23:15:00.230Z At the end, the mice were examined for changes in hippocampal neurogenesis. Becoming an individual twin isn't about genetics or environment, but how you experience them 2013-05-20T13:15:03.320Z But about 5 percent develop in adulthood through the birth of new neurons, a process known as neurogenesis. Old and New Neurons Trade Roles to Aid Memory 2012-05-26T14:45:00.227Z At a very young age, the mice fed a high fat diet didn’t show a difference in neurogenesis from young mice fed a normal diet. How Your Brain May be Keeping You Fat 2012-05-30T15:28:07Z If DHT is necessary for neurogenesis after exercise and women produce far less of it than men, do women gain less brain benefit from exercise than men? Well: Sex Hormones and the Brain 2012-09-12T04:09:10Z The next theory for how depression, and antidepressants, might work was the neurogenesis theory. Stress and antidepressants: by their powers combined 2012-05-28T23:15:00.230Z She is now in the Ph.D. program at Cornell University in the Department of Neurobiology and Behavior, where she studies the role of perceptual learning on neurogenesis and olfactory information processing in the olfactory bulb. Joy Comes with Discovery: A Conversation with Linda Buck, PhD 2012-04-23T17:45:00.247Z The hippocampus is one of two regions of the brain where neurogenesis, generation of new nerve cells, occurs. Jumping Genes in the Brain Ensure That Even Identical Twins Are Different 2012-02-14T16:15:04.437Z With time, neuroscience research uncovered two parts of the brain that evidence neurogenesis: the hippocampus, associated with memory formation, and the olfactory bulb, associated with the sense of smell. How Your Brain May be Keeping You Fat 2012-05-30T15:28:07Z One reason that early experiments into exercise and neurogenesis tended to be performed in female rats was that "in rats, females exercise more than the males," he said. Well: Sex Hormones and the Brain 2012-09-12T04:09:10Z Does it induce neurogenesis in rodents after prolonged administration as other antidepressant therapies do? Deep Brain Stimulation for Major Depression: Miracle therapy or just another treatment? 2012-01-09T15:15:01.913Z She is now in the Ph.D. program at Cornell University in the Department of Neurobiology and Behavior, where she studies the role of perceptual learning on neurogenesis and olfactory information processing in the olfactory bulb. Joy Comes with Discovery: A Conversation with Linda Buck, PhD 2012-04-23T17:45:00.247Z This neurogenesis may keep our sense of smell sharp, but at the cost of providing the virus the opportunity to spread. When Viruses Invade the Brain 2011-12-28T14:15:00.237Z One of them, a protein called CCL11, was enough to slow neurogenesis when injected into the bloodstream on its own. The Brain's Fountain of Youth 2011-08-31T18:02:00Z In those experiments, neurogenesis was plentiful in the female brains. Well: Sex Hormones and the Brain 2012-09-12T04:09:10Z But the effects of neurogenesis on mood are murkier. Well: Does Exercise Really Boost Your Mood? 2011-04-27T04:01:46Z Researchers believe this reduced neurogenesis may contribute to the debilitating psychological symptoms of depression, such as low mood or impaired memory. Study reveals new target for antidepressants 2011-04-12T11:37:26Z The worry for doctors now is whether some standard treatments for brain injury, such as sedation, might slow down neurogenesis and hinder recovery, he says. New Brain Cell Growth Restores Function 2011-03-30T16:50:00Z But finding more neurogenesis in old mice given young blood suggests that it exists. The Brain's Fountain of Youth 2011-08-31T18:02:00Z All of these rats ran, but only the rats with cagemates experienced rapid and robust neurogenesis. Well: Phys Ed: Does Loneliness Reduce the Benefits of Exercise? 2011-02-09T05:01:24Z It seemed that neurogenesis had been the culprit behind the earlier runners’ excessive anxiety. Well: Does Exercise Really Boost Your Mood? 2011-04-27T04:01:46Z The scientists tested 1,000 chemicals for the ability to stimulate neurogenesis — the development of neurons from birth to fully functional brain cells — in the brains of mice. Fertilizing Future Brain Cells 2010-07-09T13:49:00Z To discover what role, if any, neurogenesis plays after a brain injury, the Texas team genetically labeled newborn cells in the hippocampi of mice. New Brain Cell Growth Restores Function 2011-03-30T16:50:00Z The researchers haven't yet found a compound that does the reverse—turning up neurogenesis. The Brain's Fountain of Youth 2011-08-31T18:02:00Z Housed alone, the distaff rats experienced significantly less neurogenesis than female rodents with roommates, even though both groups ran similar distances on their wheels. Well: Phys Ed: Does Loneliness Reduce the Benefits of Exercise? 2011-02-09T05:01:24Z They were trying to determine whether the formation of new brain cells, a process called neurogenesis, was making their lab animals nervous. Well: Does Exercise Really Boost Your Mood? 2011-04-27T04:01:46Z “If you preserve neurogenesis in the hippocampus of an older person, I think that would be good for them,” McKnight says. Fertilizing Future Brain Cells 2010-07-09T13:49:00Z The more active BNP and its various signals are in your brain, the more inactive your stem cells become and the less neurogenesis you undergo. Your Brain On Exercise 2010-07-07T04:01:00Z So could high volumes of running and the commensurately large amounts of neurogenesis in the hippocampus produce anxiety? Well: Does Exercise Really Boost Your Mood? 2011-04-27T04:01:46Z Why and how isolation affects exercise and neurogenesis remain somewhat mysterious, said Ms. Stranahan, now an assistant professor at Georgia Health Sciences University. Well: Phys Ed: Does Loneliness Reduce the Benefits of Exercise? 2011-02-09T05:01:24Z Exercise spurs neurogenesis, a finding confirmed by seminal research completed a few years ago. Well: Does Exercise Really Boost Your Mood? 2011-04-27T04:01:46Z In that study, the researchers radiated the brains of mice to prevent neurogenesis, and then let them run. Well: Does Exercise Really Boost Your Mood? 2011-04-27T04:01:46Z The more Noggin in your brain, the less BMP activity exists and the more stem cell divisions and neurogenesis you experience. Your Brain On Exercise 2010-07-07T04:01:00Z The German scientists, in focusing narrowly on neurogenesis, may also have underestimated the intricate and broad ways in which exercise affects the brain’s mood centers. Well: Does Exercise Really Boost Your Mood? 2011-04-27T04:01:46Z Except after exercise; then, despite increased levels of the hormones, neurogenesis booms. Well: Phys Ed: Does Loneliness Reduce the Benefits of Exercise? 2011-02-09T05:01:24Z This neurogenesis would seem to be completely laudable, since it occurs mostly in the hippocampus, a portion of the brain associated with memory and thinking. Well: Does Exercise Really Boost Your Mood? 2011-04-27T04:01:46Z It’s possible, Ms. Stranahan said, that social connections provide a physiological buffer, a calming, that helps neurogenesis to proceed despite the stressful nature of exercise. Well: Phys Ed: Does Loneliness Reduce the Benefits of Exercise? 2011-02-09T05:01:24Z |
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