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Why Introverts Sometimes Feel Lonely in Groups

Karolien Koolhof
Why Introverts Sometimes Feel Lonely in Groups

You're sitting at a table full of familiar faces. Everyone is talking, laughing, sharing stories. You’re listening, trying to join in, but the conversation stays stuck in anecdotes, jokes, and quick remarks. You try to say something about what’s really on your mind, but halfway through you already sense it: no one picks it up. And then it hits: that quiet, constricting feeling: I’m here, but no one really sees me.

As an introvert, you can feel lonely even in the company of good friends. Not because you don’t have anyone, but because the kind of connection you need is rarer than people think. You long for sincere attention, for space to be silent for a moment, for conversations that go somewhere. And when that’s missing, it can feel like you’re on the outside—even while you’re right in the middle of the group.

Stimuli

Introversion is not shyness or social anxiety. It’s a personality trait linked to how you process information and respond to stimuli. Research by Hans Eysenck and later Jerome Kagan shows that the brains of introverts react more strongly to external stimuli such as noise, light, or social interaction. As a result, they reach sensory saturation more quickly and tend to seek out quieter, more meaningful environments to feel well.

There’s also a neurobiological difference: introverts show greater activity in the default mode network, a brain network active during introspection, self-reflection, and daydreaming (Jann et al., 2010). This helps explain why introverts often crave depth, meaning, and quiet—and why they may feel lost in fast-paced social settings.

Surface-level contact

In groups, the dynamic often shifts toward speed, volume, and social desirability. That’s not necessarily wrong, but it frequently sidelines introverts. Research by Helgoe (2013) shows that introverts are on average less satisfied with small talk and more often seek emotionally or intellectually meaningful conversations.

When those are lacking, it doesn’t just lead to boredom—it can create a sense of social isolation, even in the presence of others. And that can be harmful: chronic loneliness activates the same brain regions as physical pain (Eisenberger & Lieberman, 2004). That feeling of not being seen is not exaggerated—it’s a neurological and emotional signal that something is missing in the connection.

The mask of being “social”

Introverts are often excellent at adapting. They smile along, ask questions, nod at the right moments. On the outside, they seem engaged and social. But inside, a very different story may be unfolding: exhaustion, detachment, or frustration.

Susan Cain describes this well in her book Quiet (2012): introverts often develop a social mask to function in an extraverted world. That mask can help—for a while. But eventually it begins to chafe. Because when you adjust too often, you lose touch with your own needs.

Recognition

Introverts don’t need a vast social circle, but they do need one or two people with whom they can truly be themselves. With whom silence isn’t awkward. With whom they don’t have to compete for airtime. Psychologist Marti Olsen Laney calls this a restorative niche—an environment that restores your energy instead of draining it.

Without these kinds of connections, introverts can feel chronically disconnected, which may lead to sadness, emptiness, or self-doubt. In that case, it’s not your personality that’s the problem—but the mismatch with your surroundings.

What helps?

You can’t force others to truly see you. But you can take better care of yourself in how you deal with these situations. For example:

Acknowledge what you feel

Don’t dismiss your discomfort. Your brain is signaling that something’s missing. Responding to that gently means taking yourself seriously.

Be intentional about who you spend time with

Who energizes you? Who drains you? By taking an honest look at your social circle, you can make room for true connection.

Set boundaries ahead of time

Introverts often have a shorter “social battery.” Give yourself permission to leave after an hour or to skip that party altogether. That’s self-care, not laziness.

Seek out like-minded people

Whether it’s a philosophy book club or a quiet walk with a friend—find or create the setting where you thrive. Because it does exist.

Be gentle with yourself

You’re not too quiet, too intense, or too sensitive. You’re an introvert in a world that values extraversion. That takes courage. But it’s worth it.

Do you sometimes feel alone in a group? You’re not the only one. Many introverts recognize this feeling—though few speak about it. It’s time we change that. So that introversion is no longer a quiet burden, but a form of strength that deserves to be seen.

Karolien Koolhof

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