Vision may not involve creating an inner model of the world in the brain.
We have all seen in the movies, or perhaps in person, a person becomes hypnotized and falls slowly to sleep.
Your body works hard to raise its temperature, but in the meantime, you get the chills. Why?
Did last night's dinner make you drool with anticipation? Did lunch have you licking your chops?
I'm not a math person. Anytime I have to deal with numbers, let alone solve an actual math problem ‑‑ which, thankfully, is not often ‑‑ it's almost painful.
Have you ever heard the color blue? Or tasted the musical note F-sharp?
People around the world have been diagnosed with attention deficit hyperactivity disorder, ADHD. And many are on drugs, like Ritalin, to help with the disorder.
I've heard that owning a dog or cat can be a good way to deal with stress and ward off depression. Is that true?
Everyone has experienced the queasy sensation. Yet scientists actually know very little about what causes nausea.
Every season several football players miss a number of games after absorbing vicious blows to the head.