
older brains are actually better than younger brains at a few tasks for
younger brains at a few tasks for
younger brains at a few tasks for example learning subtle patterns outside
example learning subtle patterns outside
example learning subtle patterns outside the focus of attention or solving
the focus of attention or solving
the focus of attention or solving crossword puzzles which relies on stored
crossword puzzles which relies on stored
crossword puzzles which relies on stored knowledge but I’m afraid that younger
knowledge but I’m afraid that younger
knowledge but I’m afraid that younger brains are still better at most other
brains are still better at most other
brains are still better at most other tasks including those that require us to
tasks including those that require us to
tasks including those that require us to think outside the box here’s an example
think outside the box here’s an example
think outside the box here’s an example they say that you should drink six
they say that you should drink six
they say that you should drink six glasses of water every day and actually
glasses of water every day and actually
glasses of water every day and actually did you know that when you become
did you know that when you become
did you know that when you become dehydrated your brain tissue shrinks in
dehydrated your brain tissue shrinks in
dehydrated your brain tissue shrinks in much the same way that it shrinks as we
much the same way that it shrinks as we
much the same way that it shrinks as we age I’ve got six glasses here but I’m
age I’ve got six glasses here but I’m
age I’ve got six glasses here but I’m only going to fill three of them and
only going to fill three of them and
only going to fill three of them and then I’m going to arrange them in a row
then I’m going to arrange them in a row
then I’m going to arrange them in a row like this your job is to figure out how
like this your job is to figure out how
like this your job is to figure out how to take these glasses and arrange them
to take these glasses and arrange them
to take these glasses and arrange them so that they alternate full glass empty
so that they alternate full glass empty
so that they alternate full glass empty glass full glass empty glass full glass
glass full glass empty glass full glass
glass full glass empty glass full glass empty glass here’s what it should look
empty glass here’s what it should look
empty glass here’s what it should look like when you’re done seems pretty
like when you’re done seems pretty
like when you’re done seems pretty simple right but your task is to
simple right but your task is to
simple right but your task is to rearrange the glasses into this order in
rearrange the glasses into this order in
rearrange the glasses into this order in the least number of moves possible take
the least number of moves possible take
the least number of moves possible take a minute and think about
so how many moves did it take of course
so how many moves did it take of course you could do it in three moves or you
you could do it in three moves or you
you could do it in three moves or you can make them alternate by just moving
can make them alternate by just moving
can make them alternate by just moving two glasses but what would you say if I
two glasses but what would you say if I
two glasses but what would you say if I told you you could make the glasses
told you you could make the glasses
told you you could make the glasses alternate by only moving a single glass
alternate by only moving a single glass
alternate by only moving a single glass here’s how there you go one move did you
here’s how there you go one move did you
here’s how there you go one move did you figure it out solving problems like this
figure it out solving problems like this
figure it out solving problems like this is one example of what we call fluid
is one example of what we call fluid
is one example of what we call fluid intelligence the ability to think
intelligence the ability to think
intelligence the ability to think logically and solve problems in novel
logically and solve problems in novel
logically and solve problems in novel situations in contrast stored knowledge
situations in contrast stored knowledge
situations in contrast stored knowledge for example your vocabulary is an
for example your vocabulary is an
for example your vocabulary is an example of what we call crystallized
example of what we call crystallized
example of what we call crystallized intelligence and while crystallized
intelligence and while crystallized
intelligence and while crystallized intelligence is largely spared during
intelligence is largely spared during
intelligence is largely spared during aging most kinds of fluid intelligence
aging most kinds of fluid intelligence
aging most kinds of fluid intelligence begin to decline around the age of 20
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