Somehow, the brain is greater than the sum of its parts
- By Laura Helmuth
- Smithsonian magazine, July-August 2012, SubscribeSpencer Lowell / Trunk Archive100: Number, in billions, of neurons in a human brain100: Estimated number, in terabytes, of information it can store1: Number, in terabytes, of information a typical desktop computer can store2: Percentage of the body’s weight represented by the brain20: Percentage of the body’s energy used by the brain95: Number of diagnoses in the 1952 DSM-I, the first edition of psychiatry’s manual for diagnosing mental illnesses283: Number of diagnoses in the 2011 DSM-IV-TR, the most recent edition303: Highest number of random digits memorized at the 2012 USA Memory Championship, a record10: Approximate percentage drop, in one study, in the accurate recall of random letters as a result of chewing gum50: Percentage of times that human volunteers successfully recalled a sequence of five numbers presented briefly on a computer screen80: Percentage of times that a chimpanzee named Ayumu succeeded at the same task
Friday, August 03, 2012
Smithsonian - Your Brain, By the Numbers
Facts are fun . . . .