The Brain Quiz

We actually use all of it. We’re even using more than 10 percent when we sleep.

We dream mostly in pictures, with the majority of dreams being mainly visual with little sound or movement.

This explains how brain surgery can be performed while the patient is awake, with no pain or discomfort.

Human brains keeps developing until you are in your late 40s. It is the only organ in the human body to undergo development for such a long time.

As little as five minutes without oxygen can cause some brain cells to die, leading to severe brain damage.

Consisting of a minimum 60% fat, your brain is the fattiest organ in your body.

Brain information travels up to 268 miles per hour. This is faster than Formula 1 race cars which top out at 240 mph.

Neanderthal brains were 10% larger than our Homo sapiens brains.

Your brain can’t concentrate on two things at once. What it can do is quickly toggle back and forth between tasks.

While this is a beautiful sentiment, it is not accurate. Best-guess estimates are that we have 86 billion neurons while there are 200-400 billion stars in the Milky Way.

Having high total cholesterol is not bad for your brain. In fact, your brain consists of fat and cholesterol, and having high cholesterol has been found to actually reduce your risk of dementia.

You did not forget. While you are drunk, your brain is incapable of forming memories.

Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn’t mttaer in waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The rset can be a toatl mses and you can sitll raed it wouthit porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe.

It doesn’t get “used up” like RAM in your computer. The latest research shows that the brain’s memory capacity is in the petabyte range. A petabyte is a quadrillion, or 1015, bytes. Astoundingly, this is about the same amount needed to store the entire internet!

Japan’s K computer is one of the most powerful computers in the world. When programmed to simulate human brain activity, it took 40 minutes to crunch the data equivalent to just one second of brain activity.

There’s a “second brain” in your intestines that contains 100 million neurons.

The pathologist who performed Einstein’s autopsy kept the brain in a jar in his basement for 40 years. Eventually, he made a cross-country trip with the brain in a Tupperware container to deliver it to Einstein’s granddaughter.

Around 12 percent of people dream in black and white.

Since dreams are thought to primarily occur during REM sleep, the sleep stage when the MCH cells turn on, activation of these cells may prevent the content of a dream from being stored in the hippocampus – consequently, the dream is quickly forgotten.