Brain
in sentence
4290 examples of Brain in a sentence
And with tinnitus, the
brain
does strange things to make us think there’s a sound when there isn’t one.
And I think it was that excitement with hearing her voice hour after hour every day that made him think maybe, you know, in his
brain
something was stirring, some sort of musical gift.
So you see, in your brain, Derek, is this amazing musical computer that can instantly recalibrate, recalculate, all the pieces in the world that are out there.
So let's move to the
brain.
Now, here we have a
brain.
In fact, some areas of the
brain
are actually more active during the sleep state than during the wake state.
The other thing that's really important about sleep is that it doesn't arise from a single structure within the brain, but is to some extent a network property.
All of those combine, and they send projections down to the
brain
stem here.
The
brain
stem then projects forward and bathes the cortex, this wonderfully wrinkly bit over here, with neurotransmitters that keep us awake and essentially provide us with our consciousness.
So sleep arises from a whole raft of different interactions within the brain, and essentially, sleep is turned on and off as a result of a range of interactions in here.
It's fashionable at the moment because what's been shown is that within the brain, a whole raft of genes have been shown to be turned on only during sleep, and those genes are associated with restoration and metabolic pathways.
But the third idea I'm quite attracted to, which is
brain
processing and memory consolidation.
And what seems to be going on is that, in the brain, those neural connections that are important, those synaptic connections that are important, are linked and strengthened, while those that are less important tend to fade away and be less important.
They need nine hours for full
brain
performance, and many of them, on a school night, are only getting five hours of sleep.
Well, thank you very much indeed for not falling asleep, because that's what your
brain
is craving.
One of the things that the
brain
does is indulge in micro-sleeps, this involuntary falling asleep, and you have essentially no control over it.
If you are a tired brain, the
brain
is craving things to wake it up.
Much of the day is fueled by caffeine, and if you're a really naughty tired brain, nicotine.
Of course, you're fueling the waking state with these stimulants, and then, of course, it gets to 11 o'clock at night, and the
brain
says to itself, "Actually, I need to be asleep fairly shortly.
It gets to the
brain.
The
brain
says, "I need carbohydrates," and what it does is seek out carbohydrates and particularly sugars.
So there's a whole raft of things associated with sleep loss that are more than just a mildly impaired brain, which is where I think most people think that sleep loss resides.
Turn off all of those things that are also going to excite the
brain.
And the really exciting news is that mental illness and sleep are not simply associated, but they are physically linked within the
brain.
In terms of the neuroscience, by understanding these two systems, we're really beginning to understand how both sleep and mental illness are generated and regulated within the
brain.
And the third, which I think is the most exciting, is that we can think of the sleep centers within the
brain
as a new therapeutic target.
Now, as it turns out, I'm a neuroscientist, so I knew that the memory of that person and the awful, emotional undertones that color in that memory, are largely mediated by separate
brain
systems.
And so I thought, what if we could go into the
brain
and edit out that nauseating feeling but while keeping the memory of that person intact?
So what if we could start off by going into the
brain
and just finding a single memory to begin with?
And today, we hope to convince you that now we are actually able to activate a memory in the
brain
at the speed of light.
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