Sentences with phrase «brain cells in the hippocampus»

In a famous set of experiments in human subjects in 2005, neuroscientist Rodrigo Quian Quiroga found that pictures of actor Jennifer Aniston activated a single brain cell in the hippocampus region — the so - called Jennifer Aniston neuron.
And that's a problem because neurotrophins prompt the growth of new brain cells in the hippocampus, a part of the brain that's key for memory, explains Jacka.

Not exact matches

Specifically, it appears that exercise stimulates neurons (nerve cells) to grow in the hippocampus, the part of the brain responsible for memory.
«In animal studies, exercise has been shown to specifically affect the hippocampus, significantly increasing the growth of new neurons and cell survival, enhancing memory and learning, and increasing molecules that are involved in the plasticity of the brain,» Chaddock saiIn animal studies, exercise has been shown to specifically affect the hippocampus, significantly increasing the growth of new neurons and cell survival, enhancing memory and learning, and increasing molecules that are involved in the plasticity of the brain,» Chaddock saiin the plasticity of the brain,» Chaddock said.
Neural stem cells with the ability to form new neurons in the brain are normally present in the hippocampus (the part of the brain connected to learning and memory) and in the subventricular zone of the brain.
In 2011 researchers found that these waves of electricity cause neurons in the hippocampus, the main brain area involved with memory, to fire backward during sleep, sending an electrical signal from their axons to their own dendrites rather than to other cellIn 2011 researchers found that these waves of electricity cause neurons in the hippocampus, the main brain area involved with memory, to fire backward during sleep, sending an electrical signal from their axons to their own dendrites rather than to other cellin the hippocampus, the main brain area involved with memory, to fire backward during sleep, sending an electrical signal from their axons to their own dendrites rather than to other cells.
Biologist Ann Cornell - Bell of Viatech Imaging in Ivoryton, Connecticut, put on display star - shaped cells, called astrocytes, from the rat hippocampus, a brain region associated with long - term memory.
When both mice and people navigate, specialised «place» cells in the brain's hippocampus fire.
In the hippocampus, a brain region vital for laying down new memories, «stem cells continue to add new circuit elements,» says Stanford University neuroscientist Theo D. Palmer, who helped Monje find out why brain fogginess can persist for years after cancer treatment has ended.
Specifically, they drew RNA from the hippocampus, which is the part of the brain that helps regulate learning and memory, and from leukocytes, white blood cells that play a key role in the immune system.
Samuel Weiss, director of the Hotchkiss Brain Institute at the University of Calgary, and his colleagues reported that nerve cells sprouted in the olfactory bulb, the seat of the sense of smell, and in the hippocampus, the brain's memory Brain Institute at the University of Calgary, and his colleagues reported that nerve cells sprouted in the olfactory bulb, the seat of the sense of smell, and in the hippocampus, the brain's memory brain's memory bank.
This delicate structure is a single brain cell (neuron) from the hippocampus, the area in the brain that contributes to memory formation and recall and learning.
In the brains of the diseased mice, however, nearly all the cells congregated in the hippocampIn the brains of the diseased mice, however, nearly all the cells congregated in the hippocampin the hippocampi.
A month after H7N7 or H3N2 infection, mice had fewer nerve cell connectors called dendritic spines on cells in the hippocampus, a brain region involved in memory.
NEW ROLE A kind of brain cell called an astrocyte (shown) may help nerve cells in the hippocampus form traumatic memories, a study in rats suggests.
In contrast to earlier prominent studies, Shawn Sorrells of the University of California, San Francisco and his colleagues failed to find newborn nerve cells in the memory - related hippocampi of adult brainIn contrast to earlier prominent studies, Shawn Sorrells of the University of California, San Francisco and his colleagues failed to find newborn nerve cells in the memory - related hippocampi of adult brainin the memory - related hippocampi of adult brains.
In May researchers at McGill University reported that the gene responsible for creating cells» protein - building machinery is more frequently methylated in the hippocampus — the brain region responsible for short - term memory and spatial navigation — of depressed suicide victims who suffered child abuse than in the brains of nonsuicide victims who were not abuseIn May researchers at McGill University reported that the gene responsible for creating cells» protein - building machinery is more frequently methylated in the hippocampus — the brain region responsible for short - term memory and spatial navigation — of depressed suicide victims who suffered child abuse than in the brains of nonsuicide victims who were not abusein the hippocampus — the brain region responsible for short - term memory and spatial navigation — of depressed suicide victims who suffered child abuse than in the brains of nonsuicide victims who were not abusein the brains of nonsuicide victims who were not abused.
While the regenerative capability of brain cells, in the hippocampus — the part of the brain responsible for learning and memory — slows down as part of the aging process, the Rutgers scientists determined that the process that occurred after a head injury was related to injury and not age.
Thus both in the cerebellum and hippocampus (previous image), insulin receptors are highly expressed in cells that form synapses onto MHCI - expressing neurons, which suggests MHCI and insulin receptors could interact, either directly or indirectly, in the living brain.
«In the past it was deemed technically impossible to follow single cell stem cells in the brain over time given the deep localization of the hippocampus in the brain,» said JessbergeIn the past it was deemed technically impossible to follow single cell stem cells in the brain over time given the deep localization of the hippocampus in the brain,» said Jessbergein the brain over time given the deep localization of the hippocampus in the brain,» said Jessbergein the brain,» said Jessberger.
In a new study published in Science, the laboratory of Sebastian Jessberger, professor in the Brain Research Institute of the University of Zurich, has shown for the first time the process by which neural stem cells divide and newborn neurons integrate in the adult mouse hippocampuIn a new study published in Science, the laboratory of Sebastian Jessberger, professor in the Brain Research Institute of the University of Zurich, has shown for the first time the process by which neural stem cells divide and newborn neurons integrate in the adult mouse hippocampuin Science, the laboratory of Sebastian Jessberger, professor in the Brain Research Institute of the University of Zurich, has shown for the first time the process by which neural stem cells divide and newborn neurons integrate in the adult mouse hippocampuin the Brain Research Institute of the University of Zurich, has shown for the first time the process by which neural stem cells divide and newborn neurons integrate in the adult mouse hippocampuin the adult mouse hippocampus.
Young mice paired with old mice (left chart, two - toned) made fewer new cells in the brain's hippocampus than when paired with another young mouse (yellow).
Andersen was studying the activity of neurons in the hippocampus — a brain area associated with memory — and the two students wanted to try to link this precise activity of cells with the behaviour of animals.
Neuroscientists Jing Wang and Freda Miller, both then at Toronto's Hospital for Sick Children, showed that when nondiabetic mice are given metformin, their memory improves, thanks to an increase in the neural stem cell population and in the number of these cells that develop into healthy neurons in the hippocampus, the brain's memory center.
Given that lot of those brain cells seemed to form down in the area of the hippocampus, which is involved with the memory and with learning, it was an easy jump to naturally assume that they must be involved with that in some way.
The chemical labels newly divided cells, and in their brain tissue, it showed up in a sprinkling of neurons in the hippocampus — a seahorse - shaped structure involved in memory and learning.
The cells were located in a part of the hippocampus — a pair of seahorse - shaped structures located deep within the brain and involved in memory and learning.
By examining the hippocampus — a portion of the brain associated with the process of learning — after the rats learned to associate a sound with a motor response, scientists found that the new brain cells injected with dye a few weeks earlier were still alive in those that had learned the task while the cells in those who had failed did not survive.
Natural neural stem cellscells that can develop into other brain tissues — are found deep in the brain, in the subventricular zone and hippocampus.
Chen and his team began by studying how reactive glial cells respond to a specific protein, NeuroD1, which is known to be important in the formation of nerve cells in the hippocampus area of adult brains.
Using a miniature microscope inserted into the brains of the mice, Hen's team recorded the activity of hundreds of cells in the hippocampus as the mice freely moved around their surroundings.
By looking at the hippocampus in 55 post-mortem brains aged between 19 and 92, Frisén's team found that a subset of neurons in an area of the hippocampus called the dentate gyrus are indeed created throughout adulthood (Cell, doi.org/ms8).
Buried deep underneath the folds of the cerebral cortex, neural stem cells in the hippocampus continue to generate new neurons, inciting a struggle between new and old as the new attempts to gain a foothold in memory - forming center of the brain.
John O'Keefe discovered that certain cells in a region of the brain called the hippocampus preferentially fired, or were activated, when an animal was in a particular environmental location — the first description of «place cells».
The prize is for discovering «the brain's navigation system»: place cells, cells in the hippocampus which are active whenever a rat is in a particular place, and grid cells, cells in the entorhinal cortex which are active when the animal is at multiple locations in a grid pattern.
Using a miniature microscope inserted into the brains of the mice, the researchers recorded the activity of hundreds of cells in the hippocampus as the mice freely moved around their surroundings.
Their reaction changed dramatically when the scientists stimulated tagged cells in their brains in the hippocampus — the part of the brain that encodes short - term memories — with a special blue light.
In addition to cultured cells, Ts1 - coupled nanoparticles were tested on complex brain tissue using thin slices of mouse hippocampus.
The scientists implanted neural stem cells into the hippocampus, which is a brain region involved in making new memories and connecting them to emotions.
«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.»
Those key cells are called GABAergic interneurons in the hilus of the hippocampus, an area of the brain involved in learning and memory and affected by Alzheimer's disease.
A possible hypothesis for exactly how stress contributes is that it may cause a neurotoxic reaction in the brain (primarily in the hippocampus) that leads to cell damage and death in individuals who are already vulnerable (due to genes or early environmental insult).
The researchers studied the hippocampus, taking a closer look at the newly formed brain cells and the state of blood vessels in the region of the brain that plays an important role in emotions, spatial navigation, and memory.
Boldrini and colleagues think that the deterioration of the brain in old age could be attributed to this smaller pool or neural stem cells, reduced connectivity among cells within the hippocampus and decline in blood vessels.
The discovery of anxiety cells in the hippocampus of the brain could pave way for new drugs that can better address the most common mental illness in the United States.
In the healthy mice, the stem cells migrated throughout the brain, but in the mice with neuronal loss, the cells congregated in the hippocampus, the area of the injurIn the healthy mice, the stem cells migrated throughout the brain, but in the mice with neuronal loss, the cells congregated in the hippocampus, the area of the injurin the mice with neuronal loss, the cells congregated in the hippocampus, the area of the injurin the hippocampus, the area of the injury.
As its name implies, FTD is a fatal disease that destroys cells, or neurons, that comprise the frontal and temporal lobes of the brain — as opposed to Alzheimer's which mainly affects brain's memory centers in the hippocampus.
Besides having less angiogenesis, the older brains also had a smaller pool of progenitor cells in one area of the hippocampus.
In general, old and young brains were capable of making the same number of new neurons from more primitive «progenitor» cells in the hippocampuIn general, old and young brains were capable of making the same number of new neurons from more primitive «progenitor» cells in the hippocampuin the hippocampus.
For this study, they destroyed cells in the hippocampus, an area of the brain vital to memory formation and where neurons often die.
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