Our brains constantly work to make predictions about what's going on around us, for instance to ensure that we can attend to and consider the unexpected. A new study examines how this works during ...

When you go under, your brain doesn’t just sleep.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Anesthesia is an important tool ...

Anesthesia affects receptors in the brain, which may cause side effects following surgery. However, evidence that anesthesia causes long-term memory loss is inconclusive. Some people may experience ...

There are many drugs that anesthesiologists can use to induce unconsciousness in patients. Exactly how these drugs cause the brain to lose consciousness has been a longstanding question, but MIT ...