Within the brain, some neurons fire off hundreds of signals per second, and after ramping up for such a barrage,...

A new class of drugs under development to treat depression has shown some success by targeting brain cells' ability to...

Our brains are constantly barraged with sensory information, but have an amazing ability to filter out just what they need...

Even worms have free will. If offered a delicious smell, for example, a roundworm will usually stop its wandering to...

Forgetfulness, it turns out, is all in the head. Scientists have shown fading memory and clouding judgment, the type that...

Anesthesia, long considered a blessing to patients and surgeons, has been a mystery for much of its 160-plus-year history in...

The human sense of smell does not get the respect it deserves, new research suggests. In an experiment led by...