The Brain, Inspired
New research into the brain provides intriguing information about the neural activity associated with moments of sudden insight.
New research into the brain provides intriguing information about the neural activity associated with moments of sudden insight. A study at the University of British Columbia examined how groups of frontal cortex neurons in rat brains switch from encoding a familiar rule to a completely novel rule that could only be deduced through trial and error. As the animals figured out the new rule, their brains exhibited a abrupt shift to a new pattern—as if the network had experienced an "a-ha" moment.
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The legacy of Felix Dzerzhinsky, who led Soviet secret police in the "Red Terror," still confounds Russia.
- Felix Dzerzhinsky led the Cheka, Soviet Union's first secret police.
- The Cheka was infamous for executing thousands during the Red Terror of 1918.
- The Cheka later became the KGB, the spy organization where Russia's President Putin served for years.
She met mere mortals with and without the Vatican's approval.
- For centuries, the Virgin Mary has appeared to the faithful, requesting devotion and promising comfort.
- These maps show the geography of Marian apparitions – the handful approved by the Vatican, and many others.
- Historically, Europe is where most apparitions have been reported, but the U.S. is pretty fertile ground too.
Research by neuroscientists at MIT's Picower Institute for Learning and Memory helps explain how the brain regulates arousal.
The big day has come: You are taking your road test to get your driver's license. As you start your mom's car with a stern-faced evaluator in the passenger seat, you know you'll need to be alert but not so excited that you make mistakes. Even if you are simultaneously sleep-deprived and full of nervous energy, you need your brain to moderate your level of arousal so that you do your best.
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