we’ve gathered a group of volunteers ranging in ages from 8 to 71 and are
ranging in ages from 8 to 71 and are
ranging in ages from 8 to 71 and are putting them to the test in our first
putting them to the test in our first
putting them to the test in our first battle of the ages contest all right you
battle of the ages contest all right you
battle of the ages contest all right you guys I’m gonna play a series of sounds
guys I’m gonna play a series of sounds
guys I’m gonna play a series of sounds and if you can hear the sound I want you
and if you can hear the sound I want you
and if you can hear the sound I want you all to raise your hands up your right
all to raise your hands up your right
all to raise your hands up your right hand you’re gonna keep it there all
hand you’re gonna keep it there all
hand you’re gonna keep it there all right for those of you watching at home
right for those of you watching at home
right for those of you watching at home feel free to play along
feel free to play along
feel free to play along ready 8000 Hertz all right all of you
ready 8000 Hertz all right all of you
ready 8000 Hertz all right all of you can hear that first frequency I’m gonna
can hear that first frequency I’m gonna
can hear that first frequency I’m gonna play another sound in another frequency
play another sound in another frequency
play another sound in another frequency if you still hear it keep your hands up
if you still hear it keep your hands up
if you still hear it keep your hands up if you can’t bring your hand down 10,000
if you can’t bring your hand down 10,000
if you can’t bring your hand down 10,000 Hertz okay we seem to have lost our 60
Hertz okay we seem to have lost our 60
Hertz okay we seem to have lost our 60 and over crowd you guys look great
and over crowd you guys look great
and over crowd you guys look great though let’s raise the frequency even
though let’s raise the frequency even
though let’s raise the frequency even more 14,000 Hertz okay we lost you we
more 14,000 Hertz okay we lost you we
more 14,000 Hertz okay we lost you we lost you you’re very fit I can tell
lost you you’re very fit I can tell
lost you you’re very fit I can tell 16,000 Hertz okay it’s 16,000 Hertz
16,000 Hertz okay it’s 16,000 Hertz
16,000 Hertz okay it’s 16,000 Hertz we’ve lost all of our grown-ups but we
we’ve lost all of our grown-ups but we
we’ve lost all of our grown-ups but we still have our youngest members of the
still have our youngest members of the
still have our youngest members of the crowd with their hands up Luke tell
crowd with their hands up Luke tell
crowd with their hands up Luke tell everybody how old you are
everybody how old you are
everybody how old you are Oh eight years old fresh ears still can
Oh eight years old fresh ears still can
Oh eight years old fresh ears still can pick up these faint frequencies nice
pick up these faint frequencies nice
pick up these faint frequencies nice work now we’re taking it up to 18,000
work now we’re taking it up to 18,000
work now we’re taking it up to 18,000 Hertz you guys ready 18,000 Hertz we’ve
Hertz you guys ready 18,000 Hertz we’ve
Hertz you guys ready 18,000 Hertz we’ve lost 23 and 19
lost 23 and 19
lost 23 and 19 but the under-18 crowd is intact 18,000
but the under-18 crowd is intact 18,000
but the under-18 crowd is intact 18,000 Hertz that’s pretty impressive
Hertz that’s pretty impressive
Hertz that’s pretty impressive enjoy it while it lasts
enjoy it while it lasts
enjoy it while it lasts so how about you at home were you able
so how about you at home were you able
so how about you at home were you able to pick up that final tone or were you
to pick up that final tone or were you
to pick up that final tone or were you left listening to the sound of silence
left listening to the sound of silence
left listening to the sound of silence well either way you may have noticed a
well either way you may have noticed a
well either way you may have noticed a trend as this chart shows the higher the
trend as this chart shows the higher the
trend as this chart shows the higher the frequency the younger you typically have
frequency the younger you typically have
frequency the younger you typically have to be to hear that sound so why is that
to be to hear that sound so why is that
to be to hear that sound so why is that the case and what does it have to do
the case and what does it have to do
the case and what does it have to do with your brain to help answer that
with your brain to help answer that
with your brain to help answer that here’s Yale University’s Brian Scholl
here’s Yale University’s Brian Scholl
here’s Yale University’s Brian Scholl sounds out in the world are just
sounds out in the world are just
sounds out in the world are just vibrations in the air but what we hear
vibrations in the air but what we hear
vibrations in the air but what we hear is determined by patterns of neurons
is determined by patterns of neurons
is determined by patterns of neurons firing in our brains so the first step
firing in our brains so the first step
firing in our brains so the first step in hearing a sound is to somehow
in hearing a sound is to somehow
in hearing a sound is to somehow translate an air vibration into an
translate an air vibration into an
translate an air vibration into an electrical neural signal this is done by
electrical neural signal this is done by
electrical neural signal this is done by microscopic hair cells in our ears
microscopic hair cells in our ears
microscopic hair cells in our ears different hair cells are activated by
different hair cells are activated by
different hair cells are activated by different frequencies of vibrations in
different frequencies of vibrations in
different frequencies of vibrations in the air but as we age these hair cells
the air but as we age these hair cells
the air but as we age these hair cells start to deteriorate so that we
start to deteriorate so that we
start to deteriorate so that we gradually lose the ability to hear these
gradually lose the ability to hear these
gradually lose the ability to hear these frequencies what and who knows your kids
frequencies what and who knows your kids
frequencies what and who knows your kids could be using a high-frequency ringtone
could be using a high-frequency ringtone
could be using a high-frequency ringtone I’ll take that without you even knowing
I’ll take that without you even knowing
I’ll take that without you even knowing so the first point in our battle of the
so the first point in our battle of the
so the first point in our battle of the ages goes to the younger brain but this
ages goes to the younger brain but this
ages goes to the younger brain but this next game is going to come down to
next game is going to come down to
next game is going to come down to experience so older brains should have
experience so older brains should have
experience so older brains should have the advantage
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