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The Brain-Changing Benefits of Exercise | Wendy Suzuki | TED
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What if I told you there was something that you can do right now
that would have an immediate, positive benefit for your brain
including your mood and your focus?
And what if I told you that same thing could actually last a long time
and protect your brain from different conditions
like depression, Alzheimer's disease or dementia.
Would you do it?
Yes!
I am talking about the powerful effects of physical activity.
Simply moving your body,
has immediate, long-lasting and protective benefits for your brain.
And that can last for the rest of your life.
So what I want to do today is tell you a story
about how I used my deep understanding of neuroscience,
as a professor of neuroscience,
to essentially do an experiment on myself
in which I discovered the science underlying
why exercise is the most transformative thing
that you can do for your brain today.
Now, as a neuroscientist, I know that our brains,
that is the thing in our head right now,
that is the most complex structure known to humankind.
But it's one thing to talk about the brain,
and it's another to see it.
So here is a real preserved human brain.
And it's going to illustrate two key areas that we are going to talk about today.
The first is the prefrontal cortex, right behind your forehead,
critical for things like decision-making, focus, attention and your personality.
The second key area is located in the temporal lobe, shown right here.
You have two temporal lobes in your brain, the right and the left,
and deep in the temporal lobe is a key structure
critical for your ability
to form and retain new long-term memories for facts and events.
And that structure is called the hippocampus.
So I've always been fascinated with the hippocampus.
How could it be that an event that lasts just a moment,
say, your first kiss,
or the moment your first child was born,
can form a memory that has changed your brain,
that lasts an entire lifetime?
That's what I want to understand.
I wanted to start and record the activity of individual brain cells
in the hippocampus
as subjects were forming new memories.
And essentially try and decode how those brief bursts of electrical activity,
which is how neurons communicate with each other,
how those brief bursts either allowed us to form a new memory, or did not.
But a few years ago, I did something very unusual in science.
As a full professor of neural science,
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