What Happens in Your Brain
When You Regulate Your Emotions
How to Navigate
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Introduction
Two voices to regulate your emotions
Imagine your brain has two voices: the voice of emotions and the voice of reflection. They are constantly talking to each other. The emotional voice comes from the limbic system, where our emotional reactions begin. The reflective voice comes from the prefrontal cortex — the centre of thinking and decision-making. When you feel something intense, your emotional brain reacts first. But to calm down, understand what you’re experiencing, or take a step back, your thinking brain needs to join the conversation. If the emotions speak too loudly, thinking becomes harder — and you lose a bit of your ability to reason.
The two main areas: the amygdala and the prefrontal cortex
The amygdala is a small almond-shaped structure deep inside your brain. It works like an internal alarm: as soon as it detects a threat (or something important), it triggers the matching emotion — fear, anger, joy, surprise. It immediately sends signals to your body: your heart beats faster, your breathing changes, your muscles tense up.
The prefrontal cortex is the part of your brain located just behind your forehead. It helps you think, plan, analyse, remember, and make decisions. When the amygdala becomes overactive, the prefrontal cortex acts like a conductor: it evaluates the situation, slows down impulsive reactions, and helps you choose a more appropriate response.
During Adolescence
But this is normal: your brain is learning how to coordinate these two systems better. The more you practise understanding and naming your emotions, the more effective your prefrontal cortex becomes at regulating them.
Regulating emotions is harder during adolescence, but not impossible. The issue is that the amygdala (the emotional system) matures faster than the prefrontal cortex (the control system). The result:
- Emotions arrive stronger and faster
- Control arrives more slowly
- Reactions can feel more intense or change quickly.
During adolescence, your brain goes through an intense period of reconstruction.Connections between neurons are reorganising — some disappear, others become stronger.
The role of the body in regulation
Your body and your brain work as a team. When you feel an emotion, your body reacts: your heart rate, your breathing, your posture all change. But these body signals also influence your brain: if you breathe slowly, your nervous system sends a calming message to your amygdala.
This is what we call the body–brain loop:
+ info
+ info
+ info
The body sends signals back to the brain
Together, they adjust your emotional state
The brain activates the body
This is the basis of body-based regulation techniques (breathing, relaxation, grounding), which you’ll explore in the practice section.
Emotional memory
Your brain records all your emotional experiences. This is what we call emotional memory. Each time you feel a strong emotion, your brain keeps a trace of:
Learning strategy based on small content units that are consumed quickly. Ideal for reinforcing concepts or learning in a flexible manner.
It involves applying game dynamics (challenges, rewards, levels) in learning environments to increase motivation and user engagement.
How you felt
And how you reacted
What happened
Gamification
Microlearning
The next time a similar situation comes up, your brain remembers and reacts more quickly. This is helpful when you’ve learned how to calm yourself — but if you always react with fear or anger, your brain strengthens that reflex instead. If you’ve already built the habit of reacting negatively, know this: it’s not too late. You can reprogramme this process and start responding in a healthier way.
By regularly practising regulation strategies, you “teach” your brain new emotional responses.
This is what we call neuroplasticity: the brain’s ability to change through experience.
The nervous system: accelerator and brake
Your autonomic nervous system works a bit like the pedals of a car.
Sympathetic branch
Parasympathetic branch
The parasympathetic branch, on the other hand, acts like a brake: it slows down your body, brings back calm, and restores balance once the situation has passed.
The sympathetic branch acts like an accelerator: it prepares your body to act when there is danger or a challenge — this is the “fight or flight” reaction.
vs
When you regulate your emotions, you learn to use both: activating your energy when it’s needed, then releasing tension once the danger or pressure is gone. Your body then returns to its balanced state (called homeostasis).
And in your body, what happens?
What happens in your body when you feel an emotion
Conclusion — What to remember
Your emotions don’t happen by accident: they are the result of a constant conversation between your brain and your body. Your amygdala reacts, your prefrontal cortex helps you think, and your body sends signals that can either amplify or calm what you feel. During adolescence, this system is still learning — which is why your emotions can feel stronger or harder to control. But with practice, your brain becomes better at regulating them.
Understanding what happens inside you is the first step to managing your emotions with more confidence.
+ info
Activities to check understanding
To make sure you've understood what you've just learned
True or False
True or False
True or False
True or False
Fill-in-the-blank by dragging the words at the bottom
You are about to get angry during a conversation. You take three deep breaths before answering.
Choose the correct answer
Choose the correct answer
Choose the correct answer
Choose the correct answe
Well done!
You’ve discovered how your brain, your body, and your emotions work together. To regulate is to understand, to choose, and to practise.
Universal visible signs of emotions
No matter the emotion or its intensity, some physical reactions are universal. The face speaks — it’s the first thing people notice.
- The eyes shine, water, or widen.
- The smile (or its absence) often shows how you feel.
- The hands and arms follow the emotion: held tight close to the body when afraid, open when happy.
- The whole body communicates: leaning forward, closing off, turning away, or stepping back.
What happens when the emotion is strong
When an emotion becomes intense, your body reacts even more visibly. Your heart beats faster, your blood circulates more quickly, your body heats up. Your nervous system prepares your body to act — to laugh, shout, cry, run away, hug… What you can see on the outside:
- The face warms up and sometimes reddens (especially on lighter skin). On darker skin, you still feel the heat even if the redness isn’t visible.
- The eyes change: they become brighter, more focused, or more evasive.
- Movements become more expressive: hands that move quickly, higher breathing, shoulders that tense.
This is what happens in your body when you feel an emotion
As soon as an emotion appears — joy, fear, anger, surprise, sadness… — your brain sends a message to your body. Hormones and the nervous system activate: your heart rate changes, your breathing adjusts, your muscles tighten or relax. What you can see on the outside: Your face comes alive: your eyes open wider or narrow, your eyebrows move, your mouth smiles, tenses, or trembles. Your body shifts slightly in posture: you straighten up, step back, cross your arms, lean forward… Your voice also changes: it becomes softer, sharper, livelier or louder depending on the emotion.
What Happens in Your Brain
Muriel Akahi
Created on December 7, 2025
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Transcript
What Happens in Your Brain
When You Regulate Your Emotions
How to Navigate
Click to flip the card and read the back
Click to return to the previous page
Click to go to the next page
Click to show more information
Take a moment to familiarise yourself with these buttons — you’ll see them throughout the course. They’ll help you navigate more easily and make the most of your experience.
A quick note
Continue
Introduction
Two voices to regulate your emotions
Imagine your brain has two voices: the voice of emotions and the voice of reflection. They are constantly talking to each other. The emotional voice comes from the limbic system, where our emotional reactions begin. The reflective voice comes from the prefrontal cortex — the centre of thinking and decision-making. When you feel something intense, your emotional brain reacts first. But to calm down, understand what you’re experiencing, or take a step back, your thinking brain needs to join the conversation. If the emotions speak too loudly, thinking becomes harder — and you lose a bit of your ability to reason.
The two main areas: the amygdala and the prefrontal cortex
The amygdala is a small almond-shaped structure deep inside your brain. It works like an internal alarm: as soon as it detects a threat (or something important), it triggers the matching emotion — fear, anger, joy, surprise. It immediately sends signals to your body: your heart beats faster, your breathing changes, your muscles tense up.
The prefrontal cortex is the part of your brain located just behind your forehead. It helps you think, plan, analyse, remember, and make decisions. When the amygdala becomes overactive, the prefrontal cortex acts like a conductor: it evaluates the situation, slows down impulsive reactions, and helps you choose a more appropriate response.
During Adolescence
But this is normal: your brain is learning how to coordinate these two systems better. The more you practise understanding and naming your emotions, the more effective your prefrontal cortex becomes at regulating them.
Regulating emotions is harder during adolescence, but not impossible. The issue is that the amygdala (the emotional system) matures faster than the prefrontal cortex (the control system). The result:
During adolescence, your brain goes through an intense period of reconstruction.Connections between neurons are reorganising — some disappear, others become stronger.
The role of the body in regulation
Your body and your brain work as a team. When you feel an emotion, your body reacts: your heart rate, your breathing, your posture all change. But these body signals also influence your brain: if you breathe slowly, your nervous system sends a calming message to your amygdala.
This is what we call the body–brain loop:
+ info
+ info
+ info
The body sends signals back to the brain
Together, they adjust your emotional state
The brain activates the body
This is the basis of body-based regulation techniques (breathing, relaxation, grounding), which you’ll explore in the practice section.
Emotional memory
Your brain records all your emotional experiences. This is what we call emotional memory. Each time you feel a strong emotion, your brain keeps a trace of:
Learning strategy based on small content units that are consumed quickly. Ideal for reinforcing concepts or learning in a flexible manner.
It involves applying game dynamics (challenges, rewards, levels) in learning environments to increase motivation and user engagement.
How you felt
And how you reacted
What happened
Gamification
Microlearning
The next time a similar situation comes up, your brain remembers and reacts more quickly. This is helpful when you’ve learned how to calm yourself — but if you always react with fear or anger, your brain strengthens that reflex instead. If you’ve already built the habit of reacting negatively, know this: it’s not too late. You can reprogramme this process and start responding in a healthier way.
By regularly practising regulation strategies, you “teach” your brain new emotional responses.
This is what we call neuroplasticity: the brain’s ability to change through experience.
The nervous system: accelerator and brake
Your autonomic nervous system works a bit like the pedals of a car.
Sympathetic branch
Parasympathetic branch
The parasympathetic branch, on the other hand, acts like a brake: it slows down your body, brings back calm, and restores balance once the situation has passed.
The sympathetic branch acts like an accelerator: it prepares your body to act when there is danger or a challenge — this is the “fight or flight” reaction.
vs
When you regulate your emotions, you learn to use both: activating your energy when it’s needed, then releasing tension once the danger or pressure is gone. Your body then returns to its balanced state (called homeostasis).
And in your body, what happens?
What happens in your body when you feel an emotion
Conclusion — What to remember
Your emotions don’t happen by accident: they are the result of a constant conversation between your brain and your body. Your amygdala reacts, your prefrontal cortex helps you think, and your body sends signals that can either amplify or calm what you feel. During adolescence, this system is still learning — which is why your emotions can feel stronger or harder to control. But with practice, your brain becomes better at regulating them.
Understanding what happens inside you is the first step to managing your emotions with more confidence.
+ info
Activities to check understanding
To make sure you've understood what you've just learned
True or False
True or False
True or False
True or False
Fill-in-the-blank by dragging the words at the bottom
You are about to get angry during a conversation. You take three deep breaths before answering.
Choose the correct answer
Choose the correct answer
Choose the correct answer
Choose the correct answe
Well done!
You’ve discovered how your brain, your body, and your emotions work together. To regulate is to understand, to choose, and to practise.
Universal visible signs of emotions
No matter the emotion or its intensity, some physical reactions are universal. The face speaks — it’s the first thing people notice.
What happens when the emotion is strong
When an emotion becomes intense, your body reacts even more visibly. Your heart beats faster, your blood circulates more quickly, your body heats up. Your nervous system prepares your body to act — to laugh, shout, cry, run away, hug… What you can see on the outside:
This is what happens in your body when you feel an emotion
As soon as an emotion appears — joy, fear, anger, surprise, sadness… — your brain sends a message to your body. Hormones and the nervous system activate: your heart rate changes, your breathing adjusts, your muscles tighten or relax. What you can see on the outside: Your face comes alive: your eyes open wider or narrow, your eyebrows move, your mouth smiles, tenses, or trembles. Your body shifts slightly in posture: you straighten up, step back, cross your arms, lean forward… Your voice also changes: it becomes softer, sharper, livelier or louder depending on the emotion.