Brain – Statistics – Brief Article

Brain – Statistics – Brief Article – Statistical Data Included

100 billion neurons in the human brain

30 percent of 80-year-olds performed as well as young adults on cognitive tests

85 percent of the brain comprises the cerebral cortex

32 MILLION number of years it would take to count each synapse in the human brain at a rate of one synapse per second

SOURCES: BrainStat; Thinkquest; Mozart’s Brain and the lighter Pilot (Harmony Books, 2001)

COPYRIGHT 2002 Sussex Publishers, Inc.

COPYRIGHT 2002 Gale Group