Monday, July 23, 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 fro...m the voice on the phone.

> ► Yawning actually wakes you up – Yawning gets more air into the lungs, thus increasing oxygen to the brain.

>► 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 processing.

>► 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 ourselves.

>► Brain sunlight makes you sneeze – Crossed wires in the brain stem send signals from the eye via the nose.

> ► The weight of the brain is about 1.36kg.

>► The brain is made up of roughly 75% water.

>► Your brain stops growing at age 18.

>► 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 development.

> ► 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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