Quiz Of The Week: It’s Your Brain But Do You Know Anything About It?
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What percentage of your brain do you use?
- Correct Answer: 100%
The idea that you don’t use all of your brain is a widespread myth. Brain scan studies show all areas are active. So products that claim to tap into the “rest of your brain” don’t really do anything.
At what age does the brain usually stop developing?
- Correct Answer: 20s and 30s
There’s a reason you have to wait until age 25 to rent a car. Teens and young adults think with their amygdala, the part of the brain ruled by emotion. Adults use the rational part of their brain, called the prefrontal cortex. It’s the area that makes you think about the long-term effects of certain actions.
Some people are right-brained, and others are left-brained.
- Correct Answer: False
The way you think isn’t decided by which side of the brain you use. Both sides work together on every mental task. So it’s a myth that logical thinkers use the left sides of their brains, and emotional and creative types rely on their right.
What color is your brain?
- Correct Answer: Different colors
A human brain is often pictured as a dull gray mass. But while it does have grey matter, it also has white matter, and its blood vessels are red. An area in the middle is black. So, why are brains in museums always gray? The chemicals that preserve them, like formaldehyde, are to blame.
What effect does listening to classical music have on babies?
- Correct Answer: It doesn’t have an effect
Scientists once thought listening to Mozart bumped up students’ IQ. Based on these results, classical music CDs and DVDs for babies became popular. But recent studies show that those don’t have any real effect on intelligence.
What happens to the brain during sleep?
- Correct Answer: It’s busy
While your body rests during slumber, your brain stays active. It runs many of your body’s functions, like breathing, and it sorts through the day’s information. It locks things you learn into memory. This process is called consolidation. It also clears out certain kinds of waste that may lead to dementia over time.
How many new brain cells do adults grow per day?
- Correct Answer: About 700
It was once thought that you were born with all your brain cells. But the truth is, there’s turnover. You do lose brain cells over time, but you also grow them. Certain habits, like exercising, can boost the number of brain cells you make. But many of these die within a week if they’re not used. That’s why engaging your brain and learning new skills can keep it healthy.
People learn better when they’re taught in their preferred learning style, like through pictures, words, sound, or touch.
- Correct Answer: False
Some people like to have new info explained through words. Others would rather see it in pictures. But research shows there’s no solid proof that people learn better when they’re taught in a certain style. The bottom line: You may want to read those instructions, but you’ll pick up the skill just as well if you listen to them.
What happens in your brain when you learn new things?!
- Correct Answer: New connections form
Every time you learn something, your brain cells grow fibers. They make connections called synapses. Messages are sent from one cell to the other. These connections are fragile. They can disappear. But the more you practice a skill or discuss a topic, the thicker the connections become. That helps you remember what you’ve learned.
What age is best to learn new information?
- Correct Answer: Any age
It may seem like babies’ brains are sponges that soak up the most information. But you’re always able to learn new things. Research shows that your brain can grow and change at any age. One study found that a part of the brain called the hippocampus is larger in taxi drivers than bus drivers because they have to memorize many city streets instead of a fixed route.
What percentage of your intelligence is set by your genes?
- Correct Answer: 50%
Your mental capacity depends on a lot of different things. Genetics is one of them. Your home life, education, resources, and nutrition also play major roles.
What effect does learning two languages at the same time have on your brain?
- Correct Answer: It helps protect you against dementia
Not long ago, people thought to learn two languages at the same time competed for your brain’s resources. But it turns out that being bilingual can be good for your brain: One study found that people who spoke more than one language developed dementia nearly 5 years later than those who didn’t.
