Inside the Mind

What are dreams really made of? Are humans the smartest animal? What causes schizophrenia? Travel inside the mind and find out how the human brain works.

No one likes being told they've done wrong, whether it's from a boss, spouse or parent. How can you do a better job of giving "constructive criticism" without coming across as obnoxious?

Odd as it may seem, many antidepressants like Zoloft having warning labels about increases in suicidal thoughts. Why would that be? And how will you know if your medication is actually working?

Most of us don't intuitively classify electroshocks as therapeutic, but this 1950s-era treatment has changed a lot since it was first introduced. When and why do mental health experts now turn to it?

A 2013 study in the Lancet showed that five mental and developmental disorders share several genetic variations. Does that mean that nature influences your mental health more than nurture?

It doesn't take long to watch a movie and figure out who the evil genius is. In real life, though, figuring out if someone made an intelligent decision to do harm is a lot more slippery.

We often throw around the word "insanity" for acts that seem to have no rational explanation (like a teacher giving an insanely difficult test). Legally speaking, though, it's actually a narrow term that's very difficult to prove in court.

Is there any truth to the stereotype of the mad scientist? Turns out there is a link between high IQs and mental illness. Researchers are still not sure why.

We've all seen "flame wars" on the Internet. Maybe we've been the victims or the perpetrators, too. But what causes people to say things online that they would never say in person?

Having a Ph.D., four stars on your general's uniform or a seat in the Oval Office won't necessarily stop you from doing things that make others want to whack you on the head with a "how could you?" Here are 10 who should've thought twice.

Who doesn't want to instantly gobble up the marshmallows floating delectably on top of their hot chocolate? As it turns out, giving in to or delaying that impulse can say a lot about you -- and your willpower. Ready to see how strong yours is?

Newly minted parents do it. Night-shift workers do it. Men and women in the service do it, too. Could you trade a continuous stretch of sleep for a bunch of naps throughout the day, too?

We humans like to imagine that we're freewheeling folks, mixing up our lives as easily as we mix up our daily coffee. What if the truth about free will is that it's a myth?

Thanks to increased media attention, most people have probably heard more about concussions recently. But just what are concussions, and how serious are they?

Most people would recall every detail of being held up in a bank robbery but not so well the details of their last birthday party. The brain is wired for recalling trauma for a very good reason.

Pack your PJs, toothbrush and favorite pillow: A trip to a sleep lab often involves an overnight observation and some electrode-monitored snoozing. But what can the lab tell you about your sleep patterns?

Don't think of emotions as just "feelings." They're also the product of how your brain processes your feelings and how you respond to them.

When a well-timed joke or a clever cartoon tickles your funny bone, specific areas of your brain react to spread that mirth throughout your system. Can scientists use this knowledge to create a universal formula for comedy?

Aristotle defined hate as a dislike so intense that whoever feels it wants to cause another person real harm. What is going on in our brains when we hate? And can hate ever be a good thing?

You've been looking forward to your European vacation for months. But the first few days of your trip, you're grouchy, exhausted and brain dead. Is there some way to prevent or cure jet lag?

The human brain has a great capacity to adapt, rewire and grow. How can you help your noggin reach its ultimate potential?

The human brain can do some amazing things -- and humans can do amazing things because of it. Here are 10 of the most wondrous and unusual feats ever performed by a person's brain.

Scientists know that the brain's reward center teaches humans that certain behaviors lead to pleasure, but what about those that lead to pain? A clue lies in the fact that pain isn't just a physical sensation, but an emotional and psychological one as well.

There's no doubt that humans are a violent species. The real question is: Why? Are some people wired differently than others? Is it a matter of survival? Or are we just taking our frustrations out on others in violent ways?

If you've ever dashed into the grocery store to pick up a tube of toothpaste, you've likely been stopped in your tracks by the sheer amount of options available. So why does having more options make it so much harder to make the right choice? Read on to find out.

It's hard to say what makes people happy because we are all very different. It also could be a lot of things, such as health, relationships at home, hobbies or spirituality. View pictures of people in the pursuit of happiness here.