Introvert vs Extrovert: Key Differences, Myths and How to Tell
Introvert vs extrovert: the real differences in energy, thinking and relationships, what science says, common myths, and how to find out which you are.
🧠 Personality
What is a highly sensitive person? 15 signs of an HSP, how it differs from introversion and anxiety, the science behind it and tips to thrive.
By TestMyPsyche Editorial TeamPublished 7 min read
Do loud places wear you out faster than your friends? Do you notice small details others miss, or feel moved to tears by music or kindness? You might be a highly sensitive person. About one in five people share this trait, yet many have never heard of it and simply assume they're "too sensitive." This guide explains what it really means to be a highly sensitive person, 15 common signs, how high sensitivity differs from introversion and anxiety, its hidden strengths, and practical ways to thrive.
A highly sensitive person (HSP) has a temperament trait called sensory processing sensitivity: they notice more, process information more deeply and react more strongly to their surroundings and emotions. It's a normal, inborn trait, not a disorder, and it comes with both challenges and real strengths.
The term was introduced by psychologists Elaine Aron and Arthur Aron, who published their research on sensory processing sensitivity in 1997. Elaine Aron later popularized it in her book The Highly Sensitive Person. Since then, hundreds of studies have explored the trait.
Researchers estimate that roughly 20 to 30 percent of people are highly sensitive. Sensitivity also seems to exist in many animal species, which suggests it's a survival strategy: some members of a group notice danger and opportunity early, while others act quickly.
Elaine Aron describes four core features, often remembered with the acronym DOES:
You don't need all of these. Most HSPs recognize themselves in many, especially the first few.
High sensitivity overlaps with other traits, but it's not the same thing.
| Highly sensitive person | Introvert | High neuroticism / anxiety | |
|---|---|---|---|
| Core idea | Processes everything more deeply | Recharges alone or in calm settings | Feels negative emotions often and strongly |
| Main challenge | Overstimulation | Draining social time | Worry and stress |
| Social life | Can be introverted or extroverted | Prefers small groups | Varies |
| Positive emotions | Often intense too | Usually unaffected | Usually unaffected |
| Is it a disorder? | No, a normal trait | No, a normal trait | No (though very high levels raise anxiety risk) |
| Thrives with | Calm, supportive environments | Quiet time and depth | Stress management and support |
A few key points:
A 2018 study led by researcher Francesca Lionetti found that people seem to fall into three rough groups:
This links to an important idea in psychology called differential susceptibility: highly sensitive people may be more affected by both bad and good environments. In other words, sensitivity isn't just a vulnerability. In a supportive setting, HSPs often thrive more than anyone.
Brain imaging studies offer some clues. In research led by Bianca Acevedo and colleagues, highly sensitive people showed more activity in brain areas linked to awareness, empathy and integrating information when they looked at photos of emotional faces. Twin studies also suggest that sensitivity is partly inherited, with genes and environment both playing a role.
The research is still developing, and scientists continue to debate exactly how to measure the trait. But there's broad agreement that people genuinely differ in how strongly they respond to their environment.
High sensitivity is often described only as a problem, but HSPs bring real strengths:
At work, HSPs often thrive in roles that use their depth and care, such as writing, research, design, counseling, teaching or healthcare, especially when they have some control over their environment. Quiet workspaces, fewer interruptions and time to prepare make a big difference.
In relationships, HSPs tend to be loyal, attentive and deeply caring partners. Explaining your need for quiet time helps partners see it as recharging, not rejection. Partners who are less sensitive can help by keeping conflict calm and respecting the need for downtime.
Our free highly sensitive person test has 24 original statements and takes about 5 minutes. You'll get an overall sensitivity score from 0 to 100, from "dandelion" to "orchid," plus scores for three areas: ease of overwhelm, sensory sensitivity, and depth and beauty. It isn't the official HSP Scale, but it gives you a clear starting point for reflection.
Please note: our tests and articles are for self-reflection and education. They are not a medical, psychological or professional diagnosis. If you're struggling, please talk to a qualified professional.
A highly sensitive person (HSP) has a normal temperament trait called sensory processing sensitivity. They notice more, process information more deeply, feel emotions strongly and get overwhelmed more easily by busy environments.
No. High sensitivity is a normal, inborn temperament trait shared by roughly 20 to 30 percent of people. It isn't a mental health condition, although it can make stress and overstimulation harder to handle.
No. Many are, but Elaine Aron estimates that around 30 percent of highly sensitive people are extroverts. They enjoy people but still get overwhelmed by too much stimulation.
Common signs include feeling drained by busy days, being bothered by noise or bright light, noticing small details, thinking deeply before deciding, feeling others' moods and being deeply moved by beauty.
Plan regular downtime, create a calm space at home, use tools like noise-canceling headphones, protect sleep, set kind boundaries and choose supportive environments and people.
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