Sunday, 12 October 2014

In a battle of brains, bigger isn't always better: Rats and mice perform similarly in cognitive tests

Date:
October 8, 2014

Source:
Cold Spring Harbor Laboratory

Summary:
It's one of those ideas that seems to make perfect sense: the bigger the brain, the more intelligent the creature. Exceptions are becoming increasingly common, yet the belief persists even among scientists. Most biologists, for example, assume that rats are smarter than mice. Scientists now challenge this belief. They compared mice and rats and found very similar levels of intelligence, a result that could have powerful implications for researchers studying complex behaviors and learning.


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