Your Brain: Perception Deception

Is what you see real? Join neuroscientist Heather Berlin on a quest to understand how your brain shapes your reality, and why you can’t always trust what you perceive. Learn the surprising tricks and shortcuts the brain takes to help us survive.

Remember the infamous debate about “the dress”? Whether you saw it as blue/black or white/gold, it all comes down to the way your brain perceives color. A vision scientist explains.

Did your memories ever really happen? Turns out, every time you recall a memory, it gets a little more false. Scientists explain why your memories change over time—and why they’re less real than you think.

In your hands, you have separate sensors for heat, cold, and pain. Here's what happens when you touch something hot and cold at the same time.

The two hemispheres of the brain communicate via a bundle of fibers called the corpus callosum. For some people with epilepsy, seizures can quickly spread to the other through this region. But if that bridge is surgically severed, a seizure can no longer cross.