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Amount spent on brain training and mental fitness software and other products in 2009:
$265 million
Source: Wall Street Journal, 4/21/2010
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Earliest recorded use of the word "brainwashing":
1950
According to the Oxford English Dictionary, the earliest written use of the word "brainwash" was in the "New Leader" on Oct. 7, 1950, which wrote "'Brain-reform' is the objective, popularly referred to as 'brain-washing.'"
Source: Oxford English Dictionary (2d ed.),
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Liz Henry (flickr Nov. 2007) No alterations.
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Estimated number of synapses in the human brain:
100-1,000 Trillion
Estimates are all over the ballpark: Newsweek (4/9/07) says there are an estimated 500 trillion synapses while The New York Times says that "the brain consists of 100 trillion synapses", while U.S. News & World Report (9/13/1999) says that a baby's brain contains "1,000 trillion synapses."
Source: Newsweek, 4/9/2007
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Gaeten Lee (flickr March 2007)
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Number of neurons in the human brain:
100 billion
Source: Los Angeles Times, 8/21/2007
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