Understanding the Highly Sensitive Person (HSP)

Sometimes I think,
I need a spare heart
to feel all the things I feel.

— Sanober Khan,
A Thousand Flamingos

Have you ever felt that you experience the world a little differently from those around you? Perhaps you notice details that others overlook, think deeply about conversations long after they have ended, or are moved emotionally by music, nature, art, or acts of kindness. You may also find that busy environments, loud noises, or having too much happening at once leave you needing quiet time to recharge.

If these experiences sound familiar, you are not alone. Psychologist Dr. Elaine Aron introduced the concept of the Highly Sensitive Person (HSP) to describe a normal, inborn personality trait known as Sensory-Processing Sensitivity. Rather than being a diagnosis or a disorder, high sensitivity is simply one way that some people experience the world. Research suggests that approximately 15–20% of people possess this trait.

One of the characteristics that fascinates me most about highly sensitive people is the depth with which they process life. Experiences are often carefully reflected upon rather than quickly dismissed. Conversations, relationships, joys, disappointments, and even small moments of beauty may continue to unfold in the mind long after they occur.

Highly sensitive people often notice subtle details that others may miss. They may be deeply aware of another person's emotions, appreciate meaningful conversations, or find great joy in beauty, creativity, nature, music, or learning. At the same time, environments that are busy, noisy, emotionally intense, or filled with constant stimulation may become overwhelming, making periods of quiet reflection especially valuable.

Many highly sensitive people have spent years hearing phrases such as "You are too sensitive" or "You are overthinking things." Discovering the HSP trait often brings a different perspective. Sensitivity may certainly present challenges, yet it can also be a source of empathy, creativity, insight, conscientiousness, and deep appreciation for life.

Because every person is unique, no single description fits everyone. Instead of asking whether you match a checklist perfectly, you may find it helpful to reflect on questions such as these:

• Do I often notice details in my surroundings that others seem to overlook?

• Do meaningful conversations, music, art, or experiences stay with me long after they occur?

• After spending time in busy or noisy environments, do I appreciate quiet time to recharge?

• Do I naturally think deeply before making decisions?

• Do I experience both my own emotions and the emotions of others with considerable depth?

• Have I sometimes felt different because I seem to experience the world more intensely than many people around me?

• Do authenticity and meaningful relationships matter deeply to me?

• When life becomes overwhelming, do reflection, nature, creativity, or peaceful surroundings help restore my sense of balance?

If many of these questions resonate with you, learning more about the Highly Sensitive Person trait may offer a new way of understanding yourself. Rather than viewing sensitivity as something that needs to be changed, it can be helpful to recognize it as one aspect of a unique personality that brings both challenges and remarkable strengths.

In my counseling practice, I enjoy working with highly sensitive people because I appreciate the individuality and depth they often bring to our conversations. My hope is to offer a welcoming place where sensitivity is understood, respected, and valued as we work together to explore your unique experiences and your own path forward.

Further Reading and Research

The ideas presented on this page draw primarily from research on sensory processing sensitivity, a temperament trait associated with deeper processing of information, heightened awareness of subtleties, emotional responsiveness, and sensitivity to overstimulation.

Elaine Aron

Psychologist Elaine Aron introduced the concept of the Highly Sensitive Person (HSP) and has spent decades researching sensory processing sensitivity. Her work helped bring greater understanding to a trait that many people had experienced throughout their lives without having words to describe it.

Books:

The Highly Sensitive Person

The Highly Sensitive Person in Love

The Highly Sensitive Parent

Psychotherapy and the Highly Sensitive Person

Arthur Aron

Arthur Aron collaborated on research related to sensory processing sensitivity and interpersonal relationships. His work contributed to a deeper understanding of connection, closeness, and emotional responsiveness.

Journal Articles:

Sensory-processing sensitivity and its relation to introversion and emotionality. 
Elaine N Aron, Arthur Aron, 1997/8
Journal of Personality and Social Psychology, Volume 73, Issue 2

Sensory processing sensitivity: A review in the light of the evolution of biological responsivity. Elaine N Aron, Arthur Aron, Jadzia Jagiellowicz, 2012/8
Personality and Social Psychology Review, Volume 16, Issue 3

The highly sensitive brain: an fMRI study of sensory processing sensitivity and response to others' emotions. Bianca P Acevedo, Elaine N Aron, Arthur Aron, Matthew‐Donald Sangster, Nancy Collins, Lucy L Brown, 2014/7
Brain and Behavior, Volume 4, Issue 4

Michael Pluess

Developmental psychologist Michael Pluess expanded research on environmental sensitivity and differential susceptibility, exploring how some individuals are more strongly influenced by both supportive and challenging environments.

Recommended Reading:

Research on Environmental Sensitivity

Research on Differential Susceptibility

Bianca Acevedo

Bianca Acevedo has conducted neuroscience research on sensory processing sensitivity and how highly sensitive individuals process emotional and social information.

Journal Articles:

Sensory processing sensitivity and its relation to sensation seeking. Bianca P. Acevedo, Elaine N., Aron, Arthur Aron, Tracy Cooper, Robert Marhenke, 2023
Current Research in Behavioral Sciences, Volume 4

Sensory processing sensitivity, memory, and cognitive training with neurofeedback. Bianca P. Acevedo, Novia Dattatri, Robert Marhenke, August 24, 2023

Behavioural Brain Research, Volume 452

Additional Topics for Curious Readers

Readers who wish to explore these ideas further may enjoy learning about:

• Sensory Processing Sensitivity (SPS)

• Environmental Sensitivity

• Differential Susceptibility

• Emotional Responsiveness

• Empathy

• Introversion and Extraversion

• Nervous System Regulation

• Overstimulation

• Self-Care for Sensitive People

• Resilience and Sensitivity