Sentences with phrase «cell cortex in»
Isotropic acto - myosin dynamics promote organization of the apical cell cortex in epithelial cells.
https://www.biologie.uni-osnabrueck.de/ Not exact matches
«Cells in Temporal Cortex of Conscious Sheep can Respond Preferentially to the Sight of Faces.»
Also there is evidence of molecular mechanisms in the cell membranes that can amplify small changes in the field to produce large changes in neural activity.13 On the other hand, earlier tests of Kohler's theory found that interference with electrical gradients over the cortex had no effect on behavioral measures (see note 11 for reference to these studies).
Within two to 12 weeks, the organoids were sprouting additional neurons, including ones found in very specific regions of the human cortex; glia cells including astrocytes; and neural stem cells.
Specialized sensory neurons in the inner ear, called hair cells, are responsible for the detection of sounds, and this information is transmitted to the auditory cortex via several intermediate structures.
In animal models, the researchers found that using microRNA to disrupt cells in the brain's prefrontal cortex — a region associated with complex planning and decision - making — affected learning and memory later in lifIn animal models, the researchers found that using microRNA to disrupt cells in the brain's prefrontal cortex — a region associated with complex planning and decision - making — affected learning and memory later in lifin the brain's prefrontal cortex — a region associated with complex planning and decision - making — affected learning and memory later in lifin life.
Cells in the motor cortex of mice display regions in which the neurons are active (in green) and regions in which neuron firing is inhibited (in red).
Rats have cells in their brains» entorhinal cortex that appear to generate an internal grid of triangles, and which fire as the animals navigate around a space.
In the course of examining single unit responses from the cortex of unrestrained and unanesthetized cats, we have come upon a population of cells that appears to be sensitive to auditory stimuli only if the cat «pays attention» to the sound source.
This handful of brain cells is known as the dorsomedial prefrontal cortex, or dmPFC, and it sits in a region integral for learning appropriate social behavior.
«What we saw was that during learning, different patterns of activity — which cells are active, when they're active — were evident in the motor cortex,» says Peters.
The problems can be traced to loss of nerve cells in the brain areas responsible for those capabilities — such as the basal ganglia, brain stem and cerebral cortex.
During normal brain development in the first weeks of life, precursor cells in the SVZ in the piglets give birth to neurons that migrate primarily to the prefrontal cortex, the team reports today in Science Translational Medicine.
Because of the strong association between hippocampal cell growth and exercise in models, previous work on exercise and the brain has not focused on the entorhinal cortex, despite its critical role in learning and memory until now.
When Tomer compared the worm's cells with those in a vertebrate cerebral cortex, he found they were too similar to be of independent origin.
A hexagonal lattice organizes major cell types in the cerebral cortex, researchers in Japan have discovered.
Comparing brain size and number of nerve cells in the cerebral cortex among several animal species revealed some surprises.
The cells were put into a special culture and then suspended in a gel and stimulated by nutrients, all geared to turn them into neurons like those found in the cortex.
The cells were located in the cortex, the brain region that controls attention and planning in humans and other mammals.
It seems to control how many times cells in the cerebral cortex can divide, which controls how much space there is for neurons.
A study in the International Society for Stem Cell Research's journal Stem Cell Reports, published by Cell Press on November 20 shows that a Sox2 protein, alone or in combination with another protein, Ascl1, can cause nonneuronal cells, called NG2 glia, to turn into neurons in the injured cerebral cortex of adult mice.
In theory, if a single mutation popped up that caused immature neurons to undergo just one extra cycle of cell division, that could double the final size of the cortex.
This epigenetic alteration of gene activity in brain cells that receive this neurotransmitter showed for the first time that dopamine deficiencies can affect a variety of behavioral and physiological functions regulated in the prefrontal cortex.
Signals from the polarized cell cortex (in green) in mouse oocytes regulate microtubule tyrosination (white) to generate spindle asymmetry in meiosis I.
«There's some dramatic new stuff showing there might be anomalies in the cells between the frontal cortex and the limbic system, referred to as «potholes» along the neural tracks.
Dr Nadeau added «Our results are even more surprising because the cortex gene was previously thought to only be involved in producing egg cells in female insects, and is very similar to a gene that controls cell division in everything from yeast to humans.»
Florescent cells in the prelimbic prefrontal cortex brain regions, with inset of cells in olfactory brain regions that project to the prelimbic prefrontal area.
In the current study, researchers found to their surprise that most of the nerve cells in auditory cortex neurons that stimulate brain activity (excitatory) had signaled less (had «weaker» activity) when the mice expected and got a rewarIn the current study, researchers found to their surprise that most of the nerve cells in auditory cortex neurons that stimulate brain activity (excitatory) had signaled less (had «weaker» activity) when the mice expected and got a rewarin auditory cortex neurons that stimulate brain activity (excitatory) had signaled less (had «weaker» activity) when the mice expected and got a reward.
In human hair shafts, several outer layers of flattened cuticle cells surround a layer of cortical cells (making up the cortex), which surrounds the central core of cells, called the medulla.
Froemke says his team's latest findings reveal that while mammals recognize sounds in the auditory cortex of their brains, the signaling levels of nerve cells in this brain region are simultaneously being strengthened or weakened in response to surrounding context.
In the developing brain, stem cells in the heart of the cortex produce neurons in sequence from the inner layer outwardIn the developing brain, stem cells in the heart of the cortex produce neurons in sequence from the inner layer outwardin the heart of the cortex produce neurons in sequence from the inner layer outwardin sequence from the inner layer outwards.
The cells were reprogrammed to become neural progenitor cells able to form functional neuronal networks resembling the developing cortex of the human brain in a dish.
To search for such cells, the Mosers and their team delved into the medial entorhinal cortex (MEC), a slim arc of deep brain tissue where they had discovered the grid cells in 2005.
«This is why we are investigating in animal models how the nerve cells within the entorhinal cortex are connected with each other.»
A sheet of brain cells that folds in on itself multiple times in order to fit inside the skull, the cortex is the seat of higher functions.
Instead, it's the largest map to date of the connections between brain cells — in this case, about 200 from a mouse's visual cortex.
The mammalian cerebral cortex, long thought to be a dense single interrelated tangle of neural networks, actually has a «logical» underlying organizational principle, reveals a study appearing Feb. 27 in the journal Cell.
Our studies help us to understand how the nerve cells in the entorhinal cortex operate and how electrical activities might get interrupted in this area of the brain.»
This image shows nerve cells in the primary somatosensory area (S1) of the mouse's cerebral cortex.
Specifically, it appeared to partially block nerve cells in the cortex from releasing glutamate, another neurotransmitter, which is responsible for excitation.
In addition, the two genes are turned on in areas that are part of the cortico - striatal - thalamo - cortical circuit, a loop of brain cells connecting the cortex to specific regions involved in processing emotions and movemenIn addition, the two genes are turned on in areas that are part of the cortico - striatal - thalamo - cortical circuit, a loop of brain cells connecting the cortex to specific regions involved in processing emotions and movemenin areas that are part of the cortico - striatal - thalamo - cortical circuit, a loop of brain cells connecting the cortex to specific regions involved in processing emotions and movemenin processing emotions and movement.
She found that 50 - minute cell phone calls increased metabolism in the regions closest to the phone antenna — specifically, the orbitofrontal cortex and temporal pole, which are involved in sensory integration, language, decision making, and social and emotional processing.
The brain researchers observed that nerve cells in the sensory cortex that con - nect to distinct brain areas are activated differentially depending on the task to be solved.
To do this, you need activity in the [brain's] prefrontal cortex, which signals the cells in the amygdala to inhibit the expression of the fear memory.
«Nerve cells in the parietal cortex simply suppress the distraction, while nerve cells in the prefrontal cortex allow themselves to be momentarily distracted — only to return immediately to the truly important memory content.»
They found that 65 percent of tubercle cells from 23 anesthetized mice were activated by at least one of five odors — an important finding in its own, because no one knew if tubercle cells could discriminate odors, a process thought to be exclusive to the part of the brain known as the piriform cortex.
The team found significant changes in gene expression after light exposure in all cell types in the visual cortex — both neurons and, unexpectedly, nonneuronal cells such as astrocytes, macrophages and muscle cells that line blood vessels in the brain.
Using novel technologies developed at HMS, the team looked at how a single sensory experience affects gene expression in the brain by analyzing more than 114,000 individual cells in the mouse visual cortex before and after exposure to light.
In 2004, surgeons placed a tiny 100 - electrode array in his primary motor cortex, the brain region that controls voluntary movement, to collect electrical impulses from nerve cells and send them to a series of signal processorIn 2004, surgeons placed a tiny 100 - electrode array in his primary motor cortex, the brain region that controls voluntary movement, to collect electrical impulses from nerve cells and send them to a series of signal processorin his primary motor cortex, the brain region that controls voluntary movement, to collect electrical impulses from nerve cells and send them to a series of signal processors.
The coordinated assembly and disassembly of actin in the cell cortex, which lies just beneath the plasma membrane, generates cortical actin waves that are crucial for important cell functions including migration and cell polarity.