April 4, 2013 Philosophers, poets and psychologists have long shared a fascination with dreams. Now Japanese scientists have scanned the brains of dreaming volunteers to create a lexicon of imagery that can be used to detect and decode dreams while a person sleeps.
April 3, 2013 What can we say about how the brain creates our sense of self? A lot and yet surprisingly little, as it turns out. Commentator Marcelo Gleiser ponders the many challenges scientists face to make sense of our mind.
March 7, 2013 For more than a century, neurons have been the superstars of the brain. Now researchers say that when they placed human versions of another type of brain cell into mice brains, the mice grew up to be faster learners. This supports the hypothesis that these glial cells — and not just better-known neurons — play an important role in learning.
February 4, 2013 Some people with damage to a specific region of the brain called the amygdala do not feel fear. If you make them handle a snake or show them a scene from a scary movie such as The Shining, they won't be affected. But breathing in air with high levels of carbon dioxide can send them into a panic.