Sentences with phrase «fewer neurons»

Older estimates have long suggested that 100 billion was the magic number, but some more recent research suggests that the brain actually contains fewer neurons than previously believed.
A trained athlete's brain is a marvel of efficiency, using fewer neurons to move faster, calculate better — and make better decisions.
They discovered a pattern: Small - brained animals with fewer neurons in the wrinkly outer layer of the brain, called the cortex, had shorter yawns than large - brained animals with more cortical neurons.
Gütig found that his model outperformed the counterpart models, requiring fewer neuron signaling connections and learning trials to figure out what was going to happen next.
When it reaches the brain, Zika virus infects neuronal stem cells, which will generate fewer neurons, and by inducing chronic stress in the endoplasmic reticulum, it promotes apoptosis, i.e. the early death of these neuronal cells.
The reason, Del Percio argues, is that the brains of athletes are more efficient, so they produce the desired result with the help of fewer neurons.
«Very few neurons born in the developing brain reside in the same location in the adult,» Sestan said.
They found that when fewer neurons were born in the irradiated hippocampus, rats were more vulnerable to develop cocaine addiction and were more likely to relapse.
But some of the larger carnivores with correspondingly larger cortices had surprisingly few neurons.
Suspensions of embryonic chick neuronal cells adhered to monolayers of glial cells, but few neurons bound to control monolayers of fibroblastic cells from meninges or skin.
But the models of neuron types are likely to contain much less information than the connectome, as most scientists agree that there are far fewer neuron types than neurons.
Mice carrying a mutated copy of the gene have 10-fold fewer neurons and other brain abnormalities, a new study suggests.
The brains of the mice were smaller than normal and had fewer neurons in areas that controlled the affected behaviors.
It's all well and good to have an opinion on what monetary policymakers ought to do (I've mentioned a few already, even though I'm dead sure that Poloz & Co. are much smarter than me); knowing what they are going to do is far more useful, and typically requires fewer neurons.
Mice lack such ECM, which means that they generate fewer neurons and have a smaller brain.
Their brains are smaller and contain fewer neurons, and researchers have powerful genetic tools for monitoring and perturbing specific neurons and neural circuits in these insects.
According to the principle, the brain's cortex manages the tremendous amount of sensory information — images, sounds, smells, etc. — flooding it constantly by reformatting the influx into various components called features, so that it takes very few neurons to process it.
Researchers need to study actual brain tissue, instead of pictures, to determine whether PTSD patients really have fewer neurons in their hippocampi than healthy individuals.
In addition, fewer neurons are sensitive to oblique than to cardinal orientations.
«In Parkinson's, the loss of dopamine might mean that neurons that control movement don't fire as easily, which means that a few neurons have to do the whole job and can't perform as well, generating noisier output.
The few neurons responding for the duration of a stimulus were generally thought to encode the identity of a stimulus, while the many neurons responding at the beginning were thought to encode only its presence.
These pups had memory problems, were more prone to seizures and had fewer neurons in a memory center of the brain called the hippocampus.
Do they have fewer neurons, or less neurogenesis than their pure species parents?»
When the mice died at 31 weeks, their brains had 20 % fewer neurons than normal mouse brains in regions that Huntington's strikes in people.
Octopamine, identified radioenzymatically in crude extracts, probably is also localized in a few neurons.
But mapping a few neurons does not give Seung enough data to go after the really big questions about the brain.
«Basically, if you have a stroke and you get this treatment, fewer neurons are going to die, and for stroke research that's critically important.»
In these conditions, fewer neurons were needed after training with VR, while no change was seen in the group that trained by walking on a treadmill without VR.»
Four days after status epilepticus, fewer neurons are damaged (bright green) in the neuronal COX - 2 knockout mice.
Researchers made this conclusion based on years of work painstakingly recording the activity of one neuron or a few neurons in a single local area of the brain at a time.
For instance, lions and bears both had fewer neurons than a golden retriever.
At any given moment only a few neurons at any location are actually firing at any appreciable firing rate, and so you're representing the world at any given time with a relatively small number of active components.
You canâ $ ™ t look at the behaviour of a few neurons and understand the functioning of a brain; likewise, you canâ $ ™ t look at a few ocean currents or a few cubic miles of atmosphere and understand the climatic system.
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