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Why Introverts Are Introverts? Because Their Brains Are Different

Why Introverts Are Introverts? Because Their Brains Are Different
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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 July 20, 2021

How to Overcome the Fear of Public Speaking (A Step-by-Step Guide)

How to Overcome the Fear of Public Speaking (A Step-by-Step Guide)
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You’re standing behind the curtain, just about to make your way on stage to face the many faces half-shrouded in darkness in front of you. As you move towards the spotlight, your body starts to feel heavier with each step. A familiar thump echoes throughout your body – your heartbeat has gone off the charts.

Don’t worry, you’re not the only one with glossophobia(also known as speech anxiety or the fear of speaking to large crowds). Sometimes, the anxiety happens long before you even stand on stage.

Your body’s defence mechanism responds by causing a part of your brain to release adrenaline into your blood – the same chemical that gets released as if you were being chased by a lion.

Here’s a step-by-step guide to help you overcome your fear of public speaking:

1. Prepare yourself mentally and physically

According to experts, we’re built to display anxiety and to recognize it in others. If your body and mind are anxious, your audience will notice. Hence, it’s important to prepare yourself before the big show so that you arrive on stage confident, collected and ready.

“Your outside world is a reflection of your inside world. What goes on in the inside, shows on the outside.” – Bob Proctor

Exercising lightly before a presentation helps get your blood circulating and sends oxygen to the brain. Mental exercises, on the other hand, can help calm the mind and nerves. Here are some useful ways to calm your racing heart when you start to feel the butterflies in your stomach:

Warming up

If you’re nervous, chances are your body will feel the same way. Your body gets tense, your muscles feel tight or you’re breaking in cold sweat. The audience will notice you are nervous.

If you observe that this is exactly what is happening to you minutes before a speech, do a couple of stretches to loosen and relax your body. It’s better to warm up before every speech as it helps to increase the functional potential of the body as a whole. Not only that, it increases muscle efficiency, improves reaction time and your movements.

Here are some exercises to loosen up your body before show time:

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  1. Neck and shoulder rolls – This helps relieve upper body muscle tension and pressure as the rolls focus on rotating the head and shoulders, loosening the muscle. Stress and anxiety can make us rigid within this area which can make you feel agitated, especially when standing.
  2. Arm stretches – We often use this part of our muscles during a speech or presentation through our hand gestures and movements. Stretching these muscles can reduce arm fatigue, loosen you up and improve your body language range.
  3. Waist twists – Place your hands on your hips and rotate your waist in a circular motion. This exercise focuses on loosening the abdominal and lower back regions which is essential as it can cause discomfort and pain, further amplifying any anxieties you may experience.

Stay hydrated

Ever felt parched seconds before speaking? And then coming up on stage sounding raspy and scratchy in front of the audience? This happens because the adrenaline from stage fright causes your mouth to feel dried out.

To prevent all that, it’s essential we stay adequately hydrated before a speech. A sip of water will do the trick. However, do drink in moderation so that you won’t need to go to the bathroom constantly.

Try to avoid sugary beverages and caffeine, since it’s a diuretic – meaning you’ll feel thirstier. It will also amplify your anxiety which prevents you from speaking smoothly.

Meditate

Meditation is well-known as a powerful tool to calm the mind. ABC’s Dan Harris, co-anchor of Nightline and Good Morning America weekend and author of the book titled10% Happier , recommends that meditation can help individuals to feel significantly calmer, faster.

Meditation is like a workout for your mind. It gives you the strength and focus to filter out the negativity and distractions with words of encouragement, confidence and strength.

Mindfulness meditation, in particular, is a popular method to calm yourself before going up on the big stage. The practice involves sitting comfortably, focusing on your breathing and then bringing your mind’s attention to the present without drifting into concerns about the past or future – which likely includes floundering on stage.

Here’s a nice example of guided meditation before public speaking:

2. Focus on your goal

One thing people with a fear of public speaking have in common is focusing too much on themselves and the possibility of failure.

Do I look funny? What if I can’t remember what to say? Do I look stupid? Will people listen to me? Does anyone care about what I’m talking about?’

Instead of thinking this way, shift your attention to your one true purpose – contributing something of value to your audience.

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Decide on the progress you’d like your audience to make after your presentation. Notice their movements and expressions to adapt your speech to ensure that they are having a good time to leave the room as better people.

If your own focus isn’t beneficial and what it should be when you’re speaking, then shift it to what does. This is also key to establishing trust during your presentation as the audience can clearly see that you have their interests at heart.[1]

3. Convert negativity to positivity

There are two sides constantly battling inside of us – one is filled with strength and courage while the other is doubt and insecurities. Which one will you feed?

‘What if I mess up this speech? What if I’m not funny enough? What if I forget what to say?’

It’s no wonder why many of us are uncomfortable giving a presentation. All we do is bring ourselves down before we got a chance to prove ourselves. This is also known as a self-fulfilling prophecy – a belief that comes true because we are acting as if it already is. If you think you’re incompetent, then it will eventually become true.

Motivational coaches tout that positive mantras and affirmations tend to boost your confidents for the moments that matter most. Say to yourself: “I’ll ace this speech and I can do it!”

Take advantage of your adrenaline rush to encourage positive outcome rather than thinking of the negative ‘what ifs’.

Here’s a video of Psychologist Kelly McGonigal who encourages her audience to turn stress into something positive as well as provide methods on how to cope with it:

4. Understand your content

Knowing your content at your fingertips helps reduce your anxiety because there is one less thing to worry about. One way to get there is to practice numerous times before your actual speech.

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However, memorizing your script word-for-word is not encouraged. You can end up freezing should you forget something. You’ll also risk sounding unnatural and less approachable.

“No amount of reading or memorizing will make you successful in life. It is the understanding and the application of wise thought that counts.” – Bob Proctor

Many people unconsciously make the mistake of reading from their slides or memorizing their script word-for-word without understanding their content – a definite way to stress themselves out.

Understanding your speech flow and content makes it easier for you to convert ideas and concepts into your own words which you can then clearly explain to others in a conversational manner. Designing your slides to include text prompts is also an easy hack to ensure you get to quickly recall your flow when your mind goes blank.[2]

One way to understand is to memorize the over-arching concepts or ideas in your pitch. It helps you speak more naturally and let your personality shine through. It’s almost like taking your audience on a journey with a few key milestones.

5. Practice makes perfect

Like most people, many of us are not naturally attuned to public speaking. Rarely do individuals walk up to a large audience and present flawlessly without any research and preparation.

In fact, some of the top presenters make it look easy during showtime because they have spent countless hours behind-the-scenes in deep practice. Even great speakers like the late John F. Kennedy would spend months preparing his speech beforehand.

Public speaking, like any other skill, requires practice – whether it be practicing your speech countless of times in front of a mirror or making notes. As the saying goes, practice makes perfect!

6. Be authentic

There’s nothing wrong with feeling stressed before going up to speak in front of an audience.

Many people fear public speaking because they fear others will judge them for showing their true, vulnerable self. However, vulnerability can sometimes help you come across as more authentic and relatable as a speaker.

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Drop the pretence of trying to act or speak like someone else and you’ll find that it’s worth the risk. You become more genuine, flexible and spontaneous, which makes it easier to handle unpredictable situations – whether it’s getting tough questions from the crowd or experiencing an unexpected technical difficulty.

To find out your authentic style of speaking is easy. Just pick a topic or issue you are passionate about and discuss this like you normally would with a close family or friend. It is like having a conversation with someone in a personal one-to-one setting. A great way to do this on stage is to select a random audience member(with a hopefully calming face) and speak to a single person at a time during your speech. You’ll find that it’s easier trying to connect to one person at a time than a whole room.

With that said, being comfortable enough to be yourself in front of others may take a little time and some experience, depending how comfortable you are with being yourself in front of others. But once you embrace it, stage fright will not be as intimidating as you initially thought.

Presenters like Barack Obama are a prime example of a genuine and passionate speaker:

7. Post speech evaluation

Last but not the least, if you’ve done public speaking and have been scarred from a bad experience, try seeing it as a lesson learned to improve yourself as a speaker.

Don’t beat yourself up after a presentation

We are the hardest on ourselves and it’s good to be. But when you finish delivering your speech or presentation, give yourself some recognition and a pat on the back.

You managed to finish whatever you had to do and did not give up. You did not let your fears and insecurities get to you. Take a little more pride in your work and believe in yourself.

Improve your next speech

As mentioned before, practice does make perfect. If you want to improve your public speaking skills, try asking someone to film you during a speech or presentation. Afterwards, watch and observe what you can do to improve yourself next time.

Here are some questions you can ask yourself after every speech:

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  • How did I do?
  • Are there any areas for improvement?
  • Did I sound or look stressed?
  • Did I stumble on my words? Why?
  • Was I saying “um” too often?
  • How was the flow of the speech?

Write everything you observed down and keep practicing and improving. In time, you’ll be able to better manage your fears of public speaking and appear more confident when it counts.

If you want even more tips about public speaking or delivering a great presentation, check out these articles too:

Reference

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