Understanding Your Internal Signals: What Your Brain Is Telling You When You Make Decisions
Read Time: 6 minutes
You're hanging out with your circle of friends at lunch, and someone makes a comment that stings. Do you fire back? Walk away? Laugh it off? Before you even consciously decide, something inside you has already started reacting.
Or maybe you're sitting with a big decision, which friend group to eat with, whether to text that person back, whether to pitch your idea at the next meeting, and it feels like there are two completely different voices in your head pulling you in different directions.
That's not you being indecisive or “too much.” That's actually your brain doing exactly what it's built to do. And once you understand which signals are talking (and why), you might actually start making more sense to yourself (and, shocker, treat yourself more kindly!)
If you read our previous blog, How Our Brains Work: Default Mode Network vs. Executive Control Network, you already know the basics: your brain has two major modes: the Default Mode Network (DMN), your inner narrator that daydreams and reflects, and the Executive Control Network (ECN), your goal-oriented director that focuses and problem-solves. In this post, we're going deeper, specifically into how these two networks shape the decisions you make every single day.
Your Brain Has a Built-In Opinion Section
Think of your DMN as the part of your brain that has feelings about everything.
It's the part that replays conversations, notices when something feels off, imagines how a situation might go, and tells you stories about what things mean. ("They didn't text back! They must be mad at me." "Everyone was giving me a look… Did I do something weird?")
This isn’t just anxiety. Your DMN is actually doing something incredibly important: it's scanning your inner world for meaning and context. It's drawing on your memories, your identity, your values, and your past experiences to generate a gut reaction to what's happening around you.
That gut reaction is an internal signal. It's your brain saying: Hey, pay attention. This matters.
But here's the thing: gut reactions aren't always accurate. They're fast, they're emotional, and they're heavily colored by past experiences. If you've been hurt before, your DMN might be on high alert, seeing danger where there may not be any. If things have been seeming harder than usual, your DMN might be running a lot of worst-case-scenario thoughts, even when things are okay.
So when a brain signal fires, the question isn't just what am I feeling, it's what is this signal actually telling me, and is it accurate right now?
Psst...by the way…
FEEL LIKE YOUR BRAIN IS WORKING AGAINST ITSELF?
THERAPY CAN HELP.
Enter the Part of Your Brain That Can Pause
This is where your ECN comes in.
Your Executive Control Network is the part of your brain that can slow things down. It's what lets you think before you speak, weigh your options, consider consequences, and make a choice that actually lines up with what you want for yourself (not just what feels urgent in the moment).
In decision-making, your ECN acts like a kind of filter. It takes the raw signal from your DMN (that gut reaction, the emotion, the story) and says: Okay, but what do we actually want to do here?
Without the ECN stepping in, decisions tend to come straight from the DMN's emotional broadcast. That's not always bad. Sometimes your gut is right, and acting quickly is exactly what's needed. But other times, that raw reaction leads somewhere you didn't want to go: a snapped response you regret, a choice made from anxiety rather than intention, or a spiral of overthinking that keeps you frozen instead of moving forward.
What This Looks Like in Real Life
Here are a few situations where you might feel these two networks at work:
Someone cancels plans with you. Your DMN fires first: Are they avoiding me? Did I do something wrong? This always happens. It pulls up similar memories, imagines rejection, and starts building a story. Then your ECN checks in: Do I actually have evidence they’re avoiding me? What's the most likely explanation? What do I want to do? Reach out, give it space, or ask directly?
You have a big project due and can't start. Your DMN is running: What if I do it wrong? What if it's not good enough? I don't even know where to begin. The overwhelm keeps you stuck. Here’s where your ECN, when it kicks in, can break it down: What's one small thing I can do right now? What's the first step, not the whole thing?
You're deciding whether to say something honest to a friend. Your DMN is holding the emotional weight: the care you feel, the fear of conflict, the memory of times when honesty went badly. Your ECN can help you figure out: Is this worth saying? How do I want to say it? What outcome am I hoping for?
In each case, neither network is wrong. Your DMN is giving you real, important information about how you feel and what you care about. Your ECN is helping you figure out what to do with that information.
Why This Is Extra Complicated as a Teen or Young Adult
I know you’ve heard it time and time again, but it’s worth me saying again: your brain is still literally under construction, particularly your ECN.
The prefrontal cortex, the brain region most associated with the ECN, doesn't fully develop until your mid-to-late twenties. During your teen years, you're working with a network that's still being built. That means the part of your brain responsible for pausing, weighing consequences, and overriding impulse is genuinely less developed than it will be later.
This doesn't mean you're SOL or that you can't make good decisions. It means the balance between your DMN's emotional signals and your ECN's reflective capacity is harder to navigate right now. And this is for a reason. Your brain is prioritizing connection, identity, and emotional experience during this season, which is actually developmentally important.
This does mean that learning to recognize your internal signals, and practicing pausing, is some of the most valuable work you can do right now (because, once again, you're literally building those neural pathways as you go).
Learning to Work With Both Brain Modes
So what does it actually look like to get better at this? Here are a few starting points:
Try to notice what brain mode you're in before you react. When something happens and you feel a strong pull toward a reaction, try to just notice it first. What is my brain trying to signal? Where is this signal coming from? You don't have to act on it immediately, and you don't have to dismiss it. Just acknowledge it's there.
Get curious about what the signal is made of. Is this feeling based on what's happening right now, or is it pulling from something older? Is this anxiety, or is this genuine concern? Is this intuition, or is this a pattern from a hard time in your life?
Ask what you actually want. Your DMN will tell you how you feel. Your ECN can help you figure out what you want, which isn't always the same thing. Sometimes you feel like lashing out, but what you actually want is to feel heard. Sometimes you feel like disappearing, but what you actually want is connection.
Practice the pause. Even a few seconds between a signal and a response can make a difference. Take a breath. Send the text draft to your notes app before sending it for real. Sleep on it. Give your ECN a little more time to “come online” before you act.
This takes practice. Genuinely, repetitive, imperfect practice. And some days the DMN is going to win, and that's okay. You're not aiming for perfection, you're aiming for gradual awareness.
When the Signals Get Too Loud: Therapy for Teens & Young Adults in Colorado
Sometimes the internal signals you get when you’re trying to make a decision aren't just inconvenient, they're overwhelming. Anxiety, depression, trauma, and other mental health challenges can turn up the volume on your DMN in ways that make it hard for your ECN to get a word in. You might find yourself stuck in loops of worry, flooded by emotion, or completely shut down when you need to make a decision.
If that sounds familiar, that's not a you problem, that's a brain-under-pressure problem. And it's exactly the kind of thing that therapy is designed to help with.
At Interfaith Bridge Counseling, we work with teens and young adults throughout Colorado to help you understand how your brain is working and develop real tools for navigating the internal signals that shape your day-to-day. Whether you're dealing with anxiety, big emotions, relationship stress, identity questions, or just the general chaos of growing up, you don't have to figure out the noise in your head alone.
Your brain is doing a lot. You deserve support in learning how to work with it.
If you're ready to start that conversation, we'd love to hear from you.
Until next time,
About Our Author | Lena McCain MA, LPC. 0017723
Lena McCain is our Founder here at Interfaith Bridge Counseling, where she continues her support as our Clinical Director. She also holds a Master of Arts degree in Clinical Mental Health: Mindfulness-Based Transpersonal Counseling Psychology from Naropa University.
Lena’s drive and passions lie in the realm of community building and youth collaboration, which she has spent the last 12 years studying with an emphasis on one’s exploration of personal growth, community healing, and multicultural values. Lena’s expertise in these areas and the therapeutic field acts as a reminder to our community, teens, and young adults that they are not alone in their experience of life.
