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Why Introverts Are Introverts? Because Their Brains Are Different

Why Introverts Are Introverts? Because Their Brains Are Different

You prefer to curl up and read a book by yourself over going to a flashy social event. You like the company of one close friend rather than a group of many rowdy people. Once more you prefer to stay on the safe side than take risks. Does this sound familiar? If so, then you are probably an introvert. You may already know this but what you may not be aware of is that there are physical differences in your brain that make you prefer quiet activities over those that are highly energized.

Carl Jung’s studies

It was Carl Jung who in the 1920s coined the terms introvert and extrovert. He did so to describe contrasting personality types and to explain why different people were energized in distinct ways. He hypothesized that extroverts gained their energy from their social interactions and eternal environments and tended to feel uncomfortable and anxious when they found themselves alone.

Introverts, on the other hand, Jung explained, are able to replenish their energy levels when they are in quiet environments. Unlike extroverts they find socializing and busy environments overstimulating and too demanding.

Dr. Laney clarifies in her book, The Hidden Gifts of the Introverted Child that “introversion and extroversion are not black and white. No one is completely one way or another – we all must function at times on either  side of the continuum”.

Introversion and extroversion are at the opposite ends of the same spectrum. Everybody moves up and down the spectrum depending on external and internal factors, however, a person tends to prefer one personality type over the other.

The Dopamine difference

A major difference between the brains of introverts and extroverts is the way they react to the neurotransmitter dopamine.

Dopamine is a chemical that is released in the brain. It gives a person their motivation to achieve external goals and receive external rewards. For example, dopamine may motivate an individual to earn more money, increase their circle of friends, attract a good looking partner or advance to a higher role at work. When dopamine is released all of us become more alert to our surroundings, more talkative and more motivated to undertake activities that may be perceived as risky.

Introverts and extroverts have equal amounts of dopamine in their brains, however, the difference between these two categories of people is the activity of the dopamine reward network. The dopamine reward network is more active and dynamic in the brains of extroverts as Scott Barry Kaufman, the Scientific Director of The Imagination Institute says. When an extrovert anticipates a social event, for example, they feel good and energized, whereas the introvert will feel overstimulated.

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Acetylcholine and Introverts

Christine Fonseca writes in her book Quiet Kids: Help your introverted child succeed in an extroverted world that introverts prefer to rely on a different neurotransmitter called acetylcholine.

Acetylcholine is related to pleasure, just like dopamine, however acetylcholine makes a person feel good when they turn inward. It gives a person the skill to reflect and focus solely on an individual task for an extended period of time. As it is simpler to turn inwards when there is limited external stimulation, introverts opt for a calm environment.

Introverts prefer one side of the nervous system over the other

The nervous system is divided into two distinct parts: there is the sympathetic side which is related to the “fight, fright, or flight” response; and the parasympathetic side. The parasympathetic side allows us to rest and digest.

When the sympathetic side is stimulated the body prepares for action; adrenaline is released, glucose energizes the muscles and the amount of oxygen in the body increases. The thinking mechanisms in the brain are put on hold. Dopamine increases alertness in the rear of the brain.

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When the parasympathetic side of the brain is in gear; muscles relax, energy is stored and food is metabolized. Blood flow and alertness in the front of the brain increase as acetylcholine is released.

Although extroverts and introverts use both sides of the nervous system, various times introverts tend to prefer to use the parasympathetic side. This allows introverts to be calm and to act in a slow and measured way.

Why introverts tend to overthink

When information from the external world is received by an extroverts brain it travels via a short pathway that goes through the areas of the brain where touch, taste, sound and sight are processed.

When introverts receive stimulus from the outside world the pathway that the information travels through is a lot longer. The information goes through many areas of the brain including:

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  1. The right front insular,
  2. Broca’s area,
  3. The right and left front lobes and,
  4. The left hippocampus.

The right front insular is an area involved with empathy, emotional thought and self-reflection. The Broca’s area activates self-talk and plans speech. The right and left front lobs, plan and select ideas and actions. The left hippocampus decides what things are personal and places them in long-term memories.

The long journey that the information takes when an introvert receives stimulus from the external world is the reason that introverts take longer to speak, react and make decisions.

Introverts have more gray matter in the front of their brains

study published in the Journal of Neuroscience discovered that introverts have larger, thicker gray matter in their prefrontal cortex. The prefrontal cortex is the place in the brain that is linked to abstract thought and decision-making. Extroverts, on the other hand, have thinner gram matter in the same area.

What does this mean? It means that introverts devote more of their energy and resources to abstract thought while extroverts have the propensity to live in the moment.

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Summation

Things may now make more sense to you, as an introvert. You can now understand that there are physical differences in your brain that make you prefer peaceful activities and self-reflection over highly energized situations.

Featured photo credit: Introvert Dear via introvertdear.com

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Rebecca Beris

Rebecca is a wellness and lifestyle writer at Lifehack.

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Last Updated on January 21, 2020

How to Motivate People Around You and Inspire Them

How to Motivate People Around You and Inspire Them

If I was a super hero I’d want my super power to be the ability to motivate everyone around me. Think of how many problems you could solve just by being able to motivate people towards their goals. You wouldn’t be frustrated by lazy co-workers. You wouldn’t be mad at your partner for wasting the weekend in front of the TV. Also, the more people around you are motivated toward their dreams, the more you can capitalize off their successes.

Being able to motivate people is key to your success at work, at home, and in the future because no one can achieve anything alone. We all need the help of others.

So, how to motivate people? Here are 7 ways to motivate others even you can do.

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1. Listen

Most people start out trying to motivate someone by giving them a lengthy speech, but this rarely works because motivation has to start inside others. The best way to motivate others is to start by listening to what they want to do. Find out what the person’s goals and dreams are. If it’s something you want to encourage, then continue through these steps.

2. Ask Open-Ended Questions

Open-ended questions are the best way to figure out what someone’s dreams are. If you can’t think of anything to ask, start with, “What have you always wanted to do?”

“Why do you want to do that?”

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“What makes you so excited about it?”

“How long has that been your dream?”

You need this information the help you with the following steps.

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3. Encourage

This is the most important step, because starting a dream is scary. People are so scared they will fail or look stupid, many never try to reach their goals, so this is where you come in. You must encourage them. Say things like, “I think you will be great at that.” Better yet, say, “I think your skills in X will help you succeed.” For example if you have a friend who wants to own a pet store, say, “You are so great with animals, I think you will be excellent at running a pet store.”

4. Ask About What the First Step Will Be

After you’ve encouraged them, find how they will start. If they don’t know, you can make suggestions, but it’s better to let the person figure out the first step themselves so they can be committed to the process.

5. Dream

This is the most fun step, because you can dream about success. Say things like, “Wouldn’t it be cool if your business took off, and you didn’t have to work at that job you hate?” By allowing others to dream, you solidify the motivation in place and connect their dreams to a future reality.

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6. Ask How You Can Help

Most of the time, others won’t need anything from you, but it’s always good to offer. Just letting the person know you’re there will help motivate them to start. And, who knows, maybe your skills can help.

7. Follow Up

Periodically, over the course of the next year, ask them how their goal is going. This way you can find out what progress has been made. You may need to do the seven steps again, or they may need motivation in another area of their life.

Final Thoughts

By following these seven steps, you’ll be able to encourage the people around you to achieve their dreams and goals. In return, you’ll be more passionate about getting to your goals, you’ll be surrounded by successful people, and others will want to help you reach your dreams …

Oh, and you’ll become a motivational super hero. Time to get a cape!

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Featured photo credit: Thought Catalog via unsplash.com

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