A newly discovered pathway between the heart and brain may explain why healthy people faint. The pathway appears to carry signals from the heart's lower pumping chambers to an area of the brainstem ...

What does it mean to be conscious? People have been thinking and writing about this question for millennia. Yet many things about the conscious mind remain a mystery, including how to measure and ...

The origin of consciousness has teased the minds of philosophers and scientists for centuries. In the last decade, neuroscientists have begun to piece together its neural underpinnings—that is, how ...

A heart attack and cardiac arrest are both life threatening medical emergencies. Recognizing the symptoms of each and knowing what actions to take can save a life. If a doctor told you your loved one ...

The science of consciousness has not lived up to expectations. Over the summer, the neuroscientist Christof Koch conceded defeat on his 25-year bet with the philosopher David Chalmers, a lost wager ...

Peter Coppola does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Consciousness is a brain-generated neurologic illusion. The brain creates representations of reality, self, other people, objects, set designs, and landscape, which correspond quite accurately to ...