It’s obvious that parts of your brain continue to function
while you sleep. After all you keep breathing, your heart keeps beating, and so
on. But do you really “think” while you sleep? It probably depends, at least in
part, on your definition of “think.” Researchers at the University of Cambridge
and the Ecole
Normale Supérieure
in Paris recorded the EEG (brain waves) on a group of participants while they
were awake. They were instructed to classify spoken words as either objects or
animals by pressing a button. They were to use the right hand to press the
button for animals and the left hand to press the button for objects. Testing
continued while the participants were sleeping. What the researchers found—tomorrow.
Kouider et al. Inducing task-relevant responses to speech in the sleeping brain, Current Biology, 2014, DOI: 10.1016/j.cub.2014.08.016
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