Greg Gage: How to control someone else's arm with your brain
グレッグ・ゲイジ: 自分の脳で他人の腕を操る方法
TED Fellow Greg Gage helps kids investigate the neuroscience in their own backyards. Full bio
Double-click the English transcript below to play the video.
are fascinated by the brain,
脳に魅了されつつも
about how the brain works
neuroscience in schools.
why is that the equipment
研究に必要な設備が
universities and large institutions.
使えないというのがあります
to access the brain,
as a graduate student
to get access to these tools.
これらの設備を使うしかないのです
because one out of five of us,
私たちの5人に1人―
will have a neurological disorder.
抱えているのですから
for these diseases.
完ぺきな治療法はありません
what we should be doing
in the eduction process
so that in the future,
将来の選択肢として
becoming a brain scientist.
考えてもらえるようにすることです
my lab mate Tim Marzullo and myself,
研究仲間のティム・マズーロと
this complex equipment that we have
脳の研究に使う複雑な設備を
enough and affordable enough
手頃な価格なものにして
or a high school student,
誰もが 学び
in the discovery of neuroscience.
携われるようにするのです
それを成し遂げました
a company called Backyard Brains
立ち上げ
and I brought some here tonight,
今晩 ここにもお持ちしました
(Applause)
(拍手)
to record from your brain.
これから あなたの脳の活動を記録します
your arm for science,
腕を差し出して
I'm putting electrodes on your arm,
腕に電極を付けます
brain, what am I doing with your arm?
なぜ腕なのかと
inside your brain right now.
約8百億のニューロンがあり
back and forth, and chemical messages.
あちこちに送ります
right here in your motor cortex
ニューロンの一部は
when you move your arm like this.
信号を送ります
across your corpus callosum,
to your lower motor neuron
下位運動ニューロンへ
is going to be picked up
こちらの電極で
is going to be doing.
これをオンにしますね
what your brain sounds like?
聞いたことありますか?
So go ahead and squeeze your hand.
さあ手を握って
happening right here.
運動単位です
that are happening
脊髄から
out to her muscle right here,
来ているものです
that's happening here.
見ることができます
and try to see one of them.
1つだけ見ることもできます
happening right now inside of your brain.
運動単位活動電位の一つです
but let's get it better.
さらに良いものです
お手伝いをお願いします
down to your muscles right here.
信号を送っています
a signal down to your muscles.
信号を送っています
a nerve that's right here
these three fingers,
この3本の指を刺激します
that we might be able
皮膚に近い場所にあるので
こんなことができるのです
going out to your hand
when your brain tells your hand to move.
同じ動きをするのです
your free will
あなたの自由意思を取り上げ
any control over this hand.
コントロールできなくなります
接続するだけです
何をするのかわからなかったでしょう
何をするのかわからなかったでしょう
and we're going to plug it in
それを
インターフェースに接続します
to squeeze your hand again.
完ぺきです
over here so that you get the --
ここにつなぎます―
a little bit weird at first,
(Laughter)
and someone else becomes your agent,
他人に操られるのは
so go ahead and give it a squeeze.
握ってください
and turn your hand.
では手を返して
MG: Nope.
―いいえ
MG: A little bit.
―ちょっと
and it's also controlling his arm,
彼の腕もコントロールしています
if I took over my control of your hand?
動かしたらどうなるでしょう?
such a good sport.
ありがとう
all across the world --
the neuro-revolution.
革命を起こしますよ
ABOUT THE SPEAKER
Greg Gage - NeuroscientistTED Fellow Greg Gage helps kids investigate the neuroscience in their own backyards.
Why you should listen
As half of Backyard Brains, neuroscientist and engineer Greg Gage builds the SpikerBox -- a small rig that helps kids understand the electrical impulses that control the nervous system. He's passionate about helping students understand (viscerally) how our brains and our neurons work, because, as he said onstage at TED2012, we still know very little about how the brain works -- and we need to start inspiring kids early to want to know more.
Before becoming a neuroscientist, Gage worked as an electrical engineer making touchscreens. As he told the Huffington Post: "Scientific equipment in general is pretty expensive, but it's silly because before [getting my PhD in neuroscience] I was an electrical engineer, and you could see that you could make it yourself. So we started as a way to have fun, to show off to our colleagues, but we were also going into classrooms around that time and we thought, wouldn't it be cool if you could bring these gadgets with us so the stuff we were doing in advanced Ph.D. programs in neuroscience, you could also do in fifth grade?" His latest pieces of gear: the Roboroach, a cockroach fitted with an electric backpack that makes it turn on command, and BYB SmartScope, a smartphone-powered microscope.
Greg Gage | Speaker | TED.com