Sunday, May 20, 2012


> The Brain has a joke centre.
Sometimes, patients with damaged
frontal lobes are unable to ‘get’
... jokes.
> You can’t hear phone
conversations in noisy rooms – The
brain can’t distinguish background
noise from the voice on the phone.
> Yawning actually wakes you up –
Yawning gets more air into the
lungs, thus increasing oxygen to the
> We’re hardwired to remember
annoying songs – ‘Sequence recall’
to learn daily routines also lets
songs get stuck in our heads.
> The brain uses less power than a
refrigerator light – The brain uses
12 watts of power – 17% of the
body’s energy.
> Frequent jet lag can damage
memory – Stress hormones released
during jet lag can damage the
temporal lobe and memory.
> Altitude makes the brain see
strange visions – Oxygen
deprivation is likely to interfere
with visual and emotional
> Shoot-’em-up computer games
aid multitasking – Shooting
multiple enemies spreads your
attention and means you’re
constantly reacting to events.
> It is impossible to tickle yourself
– The brain dulls expected
sensations when we cause them
> Brain sunlight makes you sneeze
– Crossed wires in the brain stem
send signals from the eye via the
> The weight of the brain is about
> The brain is made up of roughly
75% water.
> Your brain stops growing at age
> Your brain uses 20% of the total
oxygen in your body.
> Studies show that brain waves are
more active while dreaming than
when you are awake.
> Excessive stress has shown to alter
brain cells, brain structure and
brain function.
> The brain can live for 4 to 6
minutes without oxygen, and then
it begins to die. No oxygen for 5 to
10 minutes will result in
permanent brain damage.
> Reading aloud and talking often
to a young child promotes brain
> A newborn baby’s brain grows
about three times its size in the
first year.
> The human brain is the fattest
organ in the body and may consists
of at least 60% fat.

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