Neurons
in sentence
459 examples of Neurons in a sentence
Well, that seemingly mundane question is where our group first jumped into this story, and what we found as we dove down into the brain, down among the
neurons
and the blood vessels, was that the brain's solution to the problem of waste clearance, it was really unexpected.
We can now segment
neurons
about as accurately as humans can, but this system was developed with deep learning using people with no previous background in medicine.
In one study, we taught them that every time they push out of their comfort zone to learn something new and difficult, the
neurons
in their brain can form new, stronger connections, and over time, they can get smarter.
Before, effort and difficulty made them feel dumb, made them feel like giving up, but now, effort and difficulty, that's when their
neurons
are making new connections, stronger connections.
Using light and sound, you can activate or inhibit neurons, and simultaneously, we can match spec by spec the resolution of an fMRI scanner, which measures oxygen use in the brain.
Just like the brain consists of billions of highly connected neurons, a basic operating unit in a neural network is a neuron-like node.
Neurons
propagate slowly in axons, 100 meters per second, tops.
Well, you have about 80 billion
neurons
inside your brain right now.
But some of your
neurons
right here in your motor cortex are going to send messages down when you move your arm like this.
And indeed, there have been staggering discoveries in neuroscience: localizing functionally specialized regions of cortex, turning mouse brains transparent, activating
neurons
with light.
When you simply open your eyes and look about this room, billions of
neurons
and trillions of synapses are engaged.
But that doesn't explain the billions of
neurons
and trillions of synapses that are engaged in vision.
What are these
neurons
up to?
And here's the kicker: When I have a perceptual experience that I describe as a brain, or neurons, I am interacting with reality, but that reality is not a brain or
neurons
and is nothing like a brain or
neurons.
Brains and
neurons
have no causal powers.
Brains and
neurons
are a species-specific set of symbols, a hack.
This is a beautiful snapshot created by the Blue Brain Project, where you can see 10,000
neurons
and 30 million connections.
Take a human being, cut him open, look inside, you will find the heart, the kidneys, neurons, hormones, DNA, but you won't find any rights.
We find there are more neural stem cells that make new
neurons
in these old brains.
There's an increased activity of the synapses, the connections between
neurons.
The drug you give to your patients that stops the cancer cells multiplying also stops the newborn
neurons
being generated in their brain."
However, what we have learned more recently is that this is one of the unique structures of the adult brain where new
neurons
can be generated.
You might think this is not much, compared to the billions of
neurons
we have.
But by the time we turn 50, we will have all exchanged the
neurons
we were born with in that structure with adult-born
neurons.
So why are these new
neurons
important and what are their functions?
And in the lab we have shown that if we block the ability of the adult brain to produce new
neurons
in the hippocampus, then we block certain memory abilities.
We are still learning a lot, and
neurons
are not only important for memory capacity, but also for the quality of the memory.
And if we give antidepressants, then we increase the production of these newborn neurons, and we decrease the symptoms of depression, establishing a clear link between neurogenesis and depression.
So by then, Robert had understood that very likely his patients were suffering from depression even after being cured of their cancer, because the cancer drug had stopped newborn
neurons
from being generated.
And it will take time to generate new
neurons
that reach normal functions.
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