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Stories by Giulio Tononi

New Hypothesis Explains Why We Sleep

During sleep, the brain weakens the connections among nerve cells, apparently conserving energy and, paradoxically, aiding memory

August 1, 2013 — Giulio Tononi and Chiara Cirelli

Are Sleepwalking Killers Conscious?

Some people commit violent acts while asleep. In seeking to understand their brain states, scientists and physicians are investigating the murky borders of consciousness

July 1, 2012 — Francesca Siclari, Giulio Tononi and Claudio Bassetti

A Test for Consciousness

How will we know when we've built a sentient computer? By making it solve a simple puzzle

June 13, 2011 — Christof Koch and Giulio Tononi

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