Brain Facts

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Brain Facts
The brain is a monstrous, beautiful mess. Its billions of nerve cells - called neurons - lie in a tangled web that displays cognitive powers far exceeding any of the silicon machines we have built to mimic it. - William F. Allman in Apprentices of Wonder. Inside the Neural Network Revolution, 1989.

The brain is the most amazing and complex organ in this universe and its research continues to throw up new facts that surprise us. The brain is capable of being modified or improved even as we age. It is never used to its full capacity.

1. The human brain has about 100,000,000,000 or 100 billion neurons. From the age of 35 years about 7000 neurons are lost daily.

2. During early pregnancy the neurons in the fetus can multiply at a rate of 250,000 neurons/minute.

3. Brain is composed of 75 to 80% water. Dehydration can affect proper functioning of brain.

4. Brain consists of 60% White matter and 40% Grey matter. White is the supporting matter and Grey is the thinking matter of the brain. If the brain was a computer the grey matter would be the computer itself and the white matter its cables.

5. Adult brain weighs about 3 pounds or 1300 to 1400 Grams. This is about 2% of the body weight if you weigh 150 pounds or 70 kgs. Sperm whale’s brain weighs 7800 gms.

6. Although the brain accounts for only 2 percent of our body weight, it consumes 20% of the oxygen that we breathe and roughly 20 percent of our daily calories.

7. 15-20% of all blood pumped out of the heart goes directly to the brain.

8. All the thinking in the brain is about electricity and chemicals. The brain is more active and thinks more at night than during the day.

9. The brain itself is incapable of feeling pain. Once the skull is opened it is possible to operate on the brain with the patient awake.

10. You can’t feel your own tickle either. The brain is smart enough to neutralize the sensation. The cerebellum sends a signal to rest of the brain of your intentions and as a result the sensation is ignored.


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good information, in this many person suffering from brain problems, provide best dbs therapy in india.
medtronicdbs  Thursday, April 7, 2016
Superb info...
Maanasa  Friday, December 28, 2012
Excellant knowlege gathering for sharing with known.
143341  Thursday, December 29, 2011
Good interesting facts. Keep it up.
drrnsingh  Sunday, November 15, 2009
Truly fascinating facts about the brain. Thank you for the info - enjoyed reading them.I also likes your amazing body facts and phobias sections.
prema  Sunday, September 6, 2009
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