脑子里的

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.

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Nothing beats watching a blockbuster on the big screen, but today's home theater systems do an impressive job bringing that experience into your home. In this article, we'll explain how the components of a home theater system re-create the sounds and

ByJonathan Strickland

Ever find yourself momentarily disoriented in a familiar place or encounter a friend who looks like a stranger? You could be experiencing jamais vu.

ByJennifer Walker-Journey

Does it bug you when people around you fidget? If it does, you have something called misokinesia and you are not alone because one-third of those studied felt the same way.

ByTodd Handy&Sumeet Jaswal

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Research shows no two brains are put together quite the same way. And we can find out the patterns in under two minutes.

ByJesslyn Shields

梦游是一种有趣的现象。怎么能a person be unconscious but still coordinate his or her limbs? And how do we know when we're really awake?

ByKatie Lambert

In the past, applying electricity to the brain was a painful measure of last resort. Now with lower power and electrodes surgically planted deep within the brain, it could be the answer to many debilitating diseases.

ByIsaac Perry Clements

If you could control your dreams, what would you do? Grow wings and fly, travel to ancient Rome, dine with Marilyn Monroe, open opera season at the Met? It could be possible.

ByKatie Lambert

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Everyone's familiar with the green-eyed monster called jealousy. But why do people have those feelings, and why are they associated with the color green?

ByAlia Hoyt

One of the top-prescribed sleeping pills may cause you to shuffle out of bed and sleepwalk to the fridge. Could Ambien be making you sleepy and hungry?

ByCristen Conger

Memory is your only personal record of the past and of who you are as an individual. What if you woke up one morning and your memory was gone?

ByCristen Conger

Can your mirror lie? Though loved ones reassure you that your appearance is normal, all you see is your flawed, monstrous reflection. This is life with body dysmorphic disorder.

ByJessika Toothman

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You may vaguely remember hurting your knee at the age of 3, but do you recall the moment your body burst into the world? Most likely not. Why are our first years devoid of memories?

ByCristen Conger

Can you be bored to death? Sometimes it feels that way but has someone ever really died of boredom? You might be surprised at the ways boredom can shorten your life.

ByCristen Conger

People with schizophrenia can experience delusions, hallucinations and paranoia. But they don't have to suffer social isolation. Find out what successful treatments can help people with the disorder.

ByJane McGrath

In the wild, are brains better than brawn? Find out when your fight-or-flight response is your friend and when it's your enemy.

ByCristen Conger

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Imagine feeling like you were born into the wrong body. People with gender identity disorder (GID) suffer persistent dissatisfaction with their gender identity. But is it fair to call GID a psychological disorder?

ByMaria Trimarchi

We'd like to think we're pretty clever, but when you correct for body mass, dolphin brains aren't far off from our own. What cognitive skills do dolphins possess, and could they really be our intellectual equals?

ByJessika Toothman

Computers can handle far more calculations per second than the human brain, and can store and retrieve information very reliably. Should we be jealous of these hunks of silicon and metal on our desks?

ByJonathan Strickland

No man is an island -- unless he has a score of Twitter followers and Facebook friends but no one to go bowling with. Loneliness isn't just all in your head, but it definitely affects your brain.

ByMolly Edmonds

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It doesn't exactly seem like something the human body would do, let a large portion of itself go to complete waste. Is it true that most of your brain is on permanent hiatus?

ByPatrick J. Kiger&Austin Henderson

Three weeks of hard work. Is that all it takes to kick your smoking habit, taste for junk food or serial inability to stop hitting the snooze button? Sounds almost too good to be true, doesn't it?

ByJulia Layton

The great bullies that have graced the movie and television screen are mostly males, from Bluto to Biff Tannen. We tend to expect boys to throw the punches. But just because girls aren't bloodying noses on the playground doesn't mean they aren't fighting dirty.

ByMolly Edmonds

Whether brain death is a result of cardiac arrest and lack of oxygen to the brain, or of a gunshot wound to the head, the diagnosis is the same. Learn what the term "brain dead" actually means.

ByLeslie C. Olson

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Every animal you can think of -- mammals, birds, reptiles, fish, amphibians -- all have brains. But the human brain is unique. It gives us the power to think, plan, speak and imagine.

ByCraig Freudenrich, Ph.D.&Robynne Boyd

Brain mapping is an ongoing effort to provide a complete picture of the brain's structure. It's a massive project, but scientists could use it to diagnose and treat diseases, test psychotropic drugs and even figure out where sarcasm comes from.

BySusan L. Nasr