The trouble with choice

In a perfect world, we would learn from success and failure alike. Both hold instructive lessons and provide needed reality checks that may safeguard our decisions from bad information or biased advice.

But, alas, our brain doesn’t work this way. Unlike an impartial outcome-weighing machine an engineer might design, it learns more from some experiences than others. This type of bias, according to a new study, stems from the act of choosing.

Read this story at Scientific American.

How human brains are different

How Human Brains Are Different: It Has a Lot to Do with the Connections

What makes the human brain special? The organ is certainly bigger than expected for our body size. And it has its own specialized areas, one of which is devoted to processing language. But now brain scans are showing that, deep inside, the way brain cells connect to each other is also part of the story.

A new study shows that different mammals –humans included — demonstrate common patterns in brain connections. But other studies show that our own species has a few twists of its own.

Read this story at Scientific American.