ScienceDaily: Intelligence News

Intelligence - nature or nurture? Researchers find a gene for intelligence and also that a bigger brain matters, yet other recent articles show how motivation affects learning.
 

Switching on one-shot learning in the brain

Most of the time, we learn only gradually, incrementally building connections between actions or events and outcomes. But there are exceptions--every once in a while, something happens and we immediately learn to associate that stimulus with a result. Scientists have discovered that uncertainty in terms of the causal relationship -- whether an outcome is actually caused by a particular stimulus -- is the main factor in determining whether or not rapid learning occurs.
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