A highly sensitive person is someone who scores high on a personality trait called sensory-processing sensitivity: stronger reactions to stimulation, deeper processing of what is noticed, and a lower threshold for feeling overwhelmed. It is a trait, not a diagnosis, and the research supports a real, measurable dimension while being much less settled on the tidy “type of person” story that circulates online. [aron-1997-sensitivity] This guide covers what the trait is, how common it is, how it differs from introversion, anxiety and autism, and what the evidence says about whether it is a risk or an advantage.
What is a highly sensitive person?
A highly sensitive person is someone high in sensory-processing sensitivity, a trait first described by Elaine and Arthur Aron in 1997. Their paper reported seven studies, produced a 27-item questionnaire called the Highly Sensitive Person Scale, and found one core dimension that was partly independent of introversion and of emotionality, the two things it had most often been confused with. [aron-1997-sensitivity]
The trait is not in the DSM or the ICD, so nobody can be diagnosed with it. A 2019 review describes it as a common and heritable trait that describes how much people differ in their sensitivity to both negative and positive environments. [greven-2019-review] That wording matters, because it is why high sensitivity gets described as a vulnerability by some sources and a strength by others. It is a dimension on which people differ, and what it means depends on the surroundings.
How common is it?
About three in ten people fell in the high-sensitivity group in the study that tested this most directly, but that figure describes a statistical grouping and not a diagnostic threshold. Lionetti and colleagues analysed questionnaire scores and found three groups rather than two: a high-sensitivity group (31 percent), a medium group (40 percent) and a low-sensitivity group (29 percent), which they named orchids, tulips and dandelions. [lionetti-2018-orchids] The groups also differed in neuroticism, in extraversion and in how strongly they reacted emotionally to a positive mood induction in the lab, which is some evidence that the grouping reflects something real about how people respond.
- Medium sensitivity (tulips) 40% of people studied
- High sensitivity (orchids) 31% of people studied
- Low sensitivity (dandelions) 29% of people studied
Shares of people in each group, Lionetti and colleagues (2018). The groups come from a statistical analysis of questionnaire scores in the samples studied and are not diagnostic categories.
Two cautions apply. The percentages come from particular samples and from how the groups were drawn statistically, so 31 percent is not a prevalence you can quote for the whole population. And a score is a position on a spectrum: someone just above a line and someone just below it are nearly identical. That is the same logic as the Big Five, which our personality guide covers.
What is the trait made of?
The trait has three parts, and they do not behave alike. A psychometric evaluation of the Highly Sensitive Person Scale found three correlated factors: ease of excitation, aesthetic sensitivity and low sensory threshold. [smolewska-2006-hsp]
- Ease of excitation is a tendency to become mentally overwhelmed by what is happening inside you or around you.
- Low sensory threshold is unpleasant arousal in response to outside stimuli such as noise, bright light or strong smells.
- Aesthetic sensitivity is a greater awareness and appreciation of beauty, in music, art or nature.
A later study found that ease of excitation and low sensory threshold were linked to anxiety, depression, alexithymia and autism symptoms, while aesthetic sensitivity was linked to anxiety and to attention to detail but not to depression. [liss-2008-sps] The practical point is that “highly sensitive” bundles a part that tracks distress with a part that does not, which is one reason a single total score is hard to interpret on its own.
How is it different from introversion, anxiety and autism?
It overlaps with all three and matches none of them. In the original studies the trait was only partly independent of introversion, [aron-1997-sensitivity] and two of its parts relate to anxiety, depression and autism symptoms. [liss-2008-sps] A 2019 critical review says the field still needs more objective measurement and a clearer separation of the trait from related ones. [greven-2019-review]
| What they share | What separates them | |
|---|---|---|
| Introversion | Many sensitive people like quiet and need time to recover | The two are only partly independent, so each can occur without the other |
| Anxiety and depression | Two parts of the trait relate to both | Sensitivity is a stable trait that can exist without distress; anxiety and depression are defined by distress |
| Autism | The same two parts relate to autism symptoms | Autism is diagnosed on differences in social communication and on restricted, repetitive patterns |
Feeling overwhelmed by stimulation is not unique to this trait. It features in ADHD and autism too, and our guide to overstimulation in ADHD covers that version, while our autism guide and anxiety guide cover the two conditions the trait is most often mistaken for.
Is high sensitivity a risk or an advantage?
Both, depending on the environment, which is the central idea in current research. Higher scores have been linked to more anxiety and depression, [liss-2008-sps] and the 2019 review frames the trait as sensitivity to negative and positive environments alike rather than as a weakness. [greven-2019-review]
The clearest test of the positive side so far is a school-based depression prevention programme. Among 11-year-old girls at risk in England, the programme reduced depression scores in girls who were high in sensitivity and did not in girls who were low in it (a comparison cohort of 197 and a programme cohort of 166). [pluess-2015-vantage] That is one study of one programme in one group, so it is a lead rather than a rule. It does suggest something worth knowing: the same trait that makes a hostile environment harder may make a supportive one work better.
What helps if this sounds like you?
Because the trait is not a disorder, the aim is fit rather than treatment: arranging life so that the load stays within what you can recover from. Research on interventions designed for high sensitivity is still early, and the 2019 review calls for work on preventing the harms associated with the trait and building on its strengths. [greven-2019-review] Within that limit, three things follow from how the trait is described.
- Plan recovery time after high-input days. Ease of excitation is about being overwhelmed, so the fix is lowering the load and building in recovery rather than pushing through.
- Cut avoidable input where you can. Noise, harsh lighting, clutter, an overfull schedule and short sleep all make everything harder to tolerate.
- Say what helps instead of masking it. “I need ten minutes after meetings” is a request, not an apology.
If anxiety or low mood is present, treat it as what it is. The sensible route is the same as for anyone, and sensitivity is not a reason to put up with it. Our guide to therapy for anxiety covers what is available.
How much of this sounds like you?
A reflection prompt based on how the trait is described. It is not the validated Highly Sensitive Person Scale, and it describes a style, not a condition.
0 of 6 ticked
Most of the described features apply. That describes a style, and it is worth planning your days around, particularly recovery time. If it comes with low mood or constant worry, see the section below on when to speak to someone.
Several features apply, which is common. Treat it as information about what drains and restores you, not as a label.
Few of the described features apply. That puts you in the larger part of the range, and nothing here needs acting on.
Not a clinical measure, and no screener on this site covers sensitivity as a trait. If overwhelm comes with persistent low mood or anxiety, the anxiety and depression screeners are the right place to start.
When to speak to someone
Being highly sensitive is not a reason to see a doctor in itself. Speak to one if, on most days for two weeks or more, you feel low or anxious, if overwhelm is making you avoid work, people or places, or if your sleep has broken down. Mention the sensitivity as context, but ask for the anxiety or low mood to be assessed in its own right.
If you feel unable to keep yourself safe, contact your local emergency services or a crisis helpline.
How MyFreud can help
The useful question about sensitivity is what drains you and what restores you, and that is hard to see from memory. Daily tracking of mood, sleep and what the day contained shows the pattern between overloaded days and the days after, which turns a vague sense of being easily overwhelmed into something you can plan around. Our personality guide covers the wider picture of traits and what they predict.
Download MyFreud and start today: App Store or Google Play.