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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.
 

Research points to genes that may help us form memories

Gene expression within neurons is critical for the formation of memories, but it's difficult to identify genes whose expression is altered by learning. Now researchers have successfully monitored the expression of genes in neurons after rats were exposed to auditory fear conditioning, in which a neutral auditory tone is paired with electric shock.
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