Random%20Brain%20Facts

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Random Brain Facts
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Random Brain Facts

• Weve learned more about the brain in last 20 yrs
  than all time previous to that
• No two brains are identical
• Brain is mostly water (78), fat (10), and
  protein (8)
• Living brain is so soft it can be cut w/ butter
  knife

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Random Brain Facts

• The adult human brain weighs about 3 pounds
  (1,300-1,400 gm)
• Elephant brains 6,000gm
• Cat brains 30 gm
• Brain is 2 of body weight, but consumes 20 of
  bodys energy
• Total surface area of cerebral cortex 2.5 sq
  ft
• Bigger brains are not necessarily better
• Einsteins was average size

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Random Brain Facts

• Human brain has 100,000,000,000 neurons
• If all neurons were stretched end to end, would
  reach to moon and back
• Every second, brain receives 100 million messages
  from the senses
• ¾ of bodys neurons are in brain
• On day you are born, all brain cells are in place
• Theyre just immature still developing
• Explains why dont have memories until 3-4 y.o.
• Will not regenerate this is all you get
• (Recent research is challenging this idea)

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Random Brain Facts

• 10 trillion pieces of information in the brain
• There are 1,000 10,000 synapses for a typical
  neuron
• Human brain is capable of processing
  10,000,000,000,000,000,000,000,000,000 bits of
  data per second
• Intelligence has nothing to do with number of
  neurons it has everything to do with number of
  dendrite connections

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Random Brain Facts

• World record for time w/o sleep
• 264 hours (11 days) Randy Gardner, 1963
• Unconsciousness occurs 8-10 sec after loss of
  blood supply to brain

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Random Brain Facts

• Changing brain
• 525 billion neurons in brain at 26 wks gestation
• 200 billion on day born
• 100 billion today
• Brain is ultimate use it or lose it machine
• neural sculpting happens during REM sleep
• Computer/TV has huge impact on brain
• Recommend no TV/internet 0-2 yrs
• Sesame Street?

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Random Brain Facts

• Humans can process 400-600 words/min
• Talk about 100-125 words/min
• Speaker needs to fill in gaps to avoid boredom,
  mind wandering
• Older people take longer to learn, but retain
  information as well as younger ppl
• Before age 5, brain is very plastic can
  simultaneously adapt after injury
• After age 5, severe, permanent damage more likely
• Ex 5 y.o. boy w/ severe seizures had entire
  left hemisphere removed paralyzed on right
  side, but scored above avg on intelligence tests,
  finished college grad school today an
  executive

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Random Brain Facts

• Brain disorders cost Americans more than 600
  billion a year
• Alcohol use in teens devastating to the
  pre-frontal cortex
• Mature neuron has myelin sheath protection, young
  adolescent brain does not
• MN in top 5 for alcohol consumption
• Also top 5 for FAS cases

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WARNINGREALLY CORNY JOKES AHEAD
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Bad brain jokes

• What does a brain do when it sees a friend across
  the street?
• Gives a brain wave
• What did the hippocampus say during its
  retirement speech?
• Thanks for the memories
• What did the right hemisphere say to the left
  hemisphere when they couldnt agree on anything?
• lets split

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Bad brain jokes

• What happens if you break the brain scanner?
• You will have a CATastrophe
• What kind of fish performs brain operations?
• A neurosturgeon
• What do you call a skull without 100 billion
  neurons?
• A no brainer

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Bad brain jokes

• When does a brain get afraid?
• When it loses its nerve
• Why didnt the brain want to take a bath?
• It didnt want to be brainwashed
• Why was the neuron sent to the principals
  office?
• It had trouble controlling its impulses