Highly sensitive persons
Ji-young (pseudonym), unsettled by the faint ticking of a wall clock, removes its batteries to silence the sound. At night, she draws the blackout curtains, sealing out even the thinnest strip of light. Lying in bed, she revisits the day’s missteps and excitements, each one echoing louder in the dark.
Midday brings another reprieve: slipping out of coarse fabrics into softer ones during her lunch break at home. Sensitive to the tug of hunger, the jolt of caffeine or the ache of pain, she habitually experiences heightened physiological reactivity.
Multitasking overwhelms Ji-young, and as she watches others manage with ease, she wonders, “Why am I like this?” At the office, she notices what others miss; when a colleague’s facial expression changes subtly, Ji-young studies her face before leaning in with a kind word. At times, she leaves a note with a smiley face or a box of chocolates on a desk.
Yet, this empathy takes its toll. She often ends the day drained, even frazzled, carrying the weight of other people’s moods like an overstuffed satchel. Though she values deep connections with people, she regularly retreats to nature, where the cool breeze in seclusion soothes her from the relentless stimuli of daily existence.
Ji-young’s experiences are not unusual; they reflect the defining qualities of a highly sensitive person (HSP). High sensitivity has been researched for over three decades and is achieving wider recognition today. Psychologist Elaine Aron, who pioneered this field of study, describes HSPs as possessing “sensory processing sensitivity” — a tendency to process sensory and emotional input with unusual depth. Emotionally, they exhibit heightened intensity and empathy, finely attuned to the feelings of others. They reflect carefully before acting, yet this same sensitivity leaves them vulnerable to overstimulation.
Neuroscience research supports these observations, showing that HSPs’ brains are especially active in areas tied to empathy and awareness, which helps explain their deep responsiveness and susceptibility to overstimulation. In Ji-young’s case, such traits can render daily life more demanding, yet they also enrich relationships and nurture creativity. As such, many HSPs gravitate toward caregiving roles, helping professions and creative pursuits, transforming sensitivity into a source of strength.
High sensitivity is often confused with introversion or shyness. Introversion is marked by inward-directed energy and a preference for low levels of social stimulation, while shyness arises from fear of social judgment. However, high sensitivity involves a broader responsiveness to stimuli at deeper levels, which may coexist with either introversion or extroversion.
The origins of high sensitivity are still debated. Some researchers view it as an innate survival mechanism, favoring vigilance and careful observation. Others highlight the impact of early attachment patterns, while many point to environmental influences like stress and trauma. Regardless, high sensitivity is considered a normal personality trait, rather than a pathological condition.
Studies estimate that between 15 and 30 percent of the world’s population are HSPs, though the levels of acceptance and stigma vary by culture. In Korea, high sensitivity is often stereotyped as fragility, weakness, irritability, low self-esteem or even the mark of a social outcast. More tolerated in women, such traits clash with cultural expectations that men remain tough and stoic. This disconnects them from their authentic selves and compounds stigma.
By contrast, sensitivity may serve as a protective factor in unfamiliar surroundings, fostering vigilance and a careful reading of facial expressions and gestures in order to navigate social interactions. Approached through a diverse cultural lens, sensitivity warrants a more nuanced understanding and respect.
Because the world can easily overwhelm HSPs, self-care is indispensable. Spiritual and religious practices like meditation or quiet walking can help anchor them in the present. Even closing one’s eyes briefly can offer quick relief, since about 80 percent of sensory input comes through vision. Self-care also encompasses continued learning for personal development, seeking counseling when needed and establishing firm personal and professional boundaries. Conflict presents a unique challenge for HSPs. Addressing tensions early is important, as is developing constructive coping strategies and resisting the tendency toward self-blame.
Embracing qualities possessed by HSPs can be transformative. As Aron emphasizes, sensitivity — rooted in awareness and understanding — is not a flaw but a gift that enriches communities, fosters insight and reshapes our view of human strength. HSPs often become compassionate colleagues, nurturing parents, and creative contributors in ways that many overlook.
High sensitivity deserves recognition as a legitimate dimension of personality, not to be hidden or judged. In Korea, where frameworks like the Myers–Briggs Type Indicator have become a cultural phenomenon, it may be time to expand the conversation. The next time someone asks about personality types, answering, “I am a highly sensitive person,” could open the door to greater acceptance and respect — for oneself and for others who share this way of engaging with the world.
Ma Kyung-hee is an editor and researcher based in Seoul.