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 sai
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 sai
in 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 cell
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 cell
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
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 hippocamp
In the
brains of the diseased mice, however, nearly all the
cells congregated
in the hippocamp
in 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 brain
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 brain
in 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 abuse
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 abuse
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 abuse
in 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 Jessberge
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 Jessberge
in the
brain over time given the deep localization of the
hippocampus in the brain,» said Jessberge
in 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 hippocampu
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 hippocampu
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 hippocampu
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 hippocampu
in 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
cells —
cells 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 injur
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 injur
in the mice with neuronal loss, the
cells congregated
in the hippocampus, the area of the injur
in 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 hippocampu
In general, old and young
brains were capable of making the same number of new neurons from more primitive «progenitor»
cells in the hippocampu
in 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.