According to a new study published in the journal eLife, when rats (Rattus rattus) sleep or rest, their brains simulate journeys to a desired goal. Rats dream paths to a tasty treat. Image credit: Duke University. A team of scientists at University College London, UK, monitored brain activity in rats, first as the rodents viewed food in a location they could not reach, then as they rested in a separate chamber, and finally as they were allowed to...
