Alexithymia: When You Feel Something but Cannot Name It

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Have you ever heard someone say, "I don't know what I feel. I just feel... bad"? Or perhaps you've experienced something similar yourself. You notice tension in your body, difficulty sleeping, headaches, or irritability, but when someone asks, "What are you feeling?" the answer is simply, "I don't know."

Many people assume this means someone is emotionally cold, distant, or lacks empathy. In reality, this is often not the case. Some people experience emotions intensely but struggle to identify, understand, and describe them. This phenomenon is known as alexithymia.

Alexithymia is not a mental disorder or a personality disorder. Instead, it is a trait or difficulty involving emotional awareness and emotional processing. Researchers estimate that approximately 10% of the general population experience clinically significant alexithymic traits, while the prevalence is much higher in some clinical groups.

Understanding alexithymia is important because emotions influence nearly every aspect of our lives, from decision making and relationships to physical health and psychological wellbeing. When we cannot recognize what we feel, our body often continues to carry those emotions, even when our conscious mind cannot identify them.

What exactly is alexithymia?

The word alexithymia comes from Greek:

• a = without

• lexis = words

• thymos = emotions or feelings

It literally means "no words for emotions."

However, this definition can be misleading. Alexithymia does not mean that someone has no emotions. Research consistently shows that people with alexithymia do experience emotions. The main difficulty lies in recognizing them, distinguishing one emotion from another, and putting those internal experiences into words. Researchers generally describe four core characteristics of alexithymia:

• difficulty identifying one's own emotions

• difficulty describing emotions to others

• confusing emotional states with physical sensations

• a thinking style focused mainly on external events rather than inner experiences

Imagine asking someone what they feel after an argument with a loved one. Instead of saying, "I feel hurt and disappointed," they might answer:

"I have a stomach ache."

Or:

"I'm tired."

Or simply:

"I don't know."

Their emotional system is active, but translating emotional signals into conscious understanding is much more difficult.

How does emotional awareness normally develop?

We are not born knowing the difference between sadness, shame, disappointment, fear, embarrassment, frustration, or grief. Children gradually learn emotions through interactions with caregivers.

A child cries.

A parent responds:

"You were frightened."

"You are disappointed because your toy broke."

"You seem frustrated."

Over thousands of similar interactions, the child's brain begins connecting physical sensations, emotional experiences, words, and meaning. This process helps build emotional awareness. When these experiences are inconsistent, absent, or overwhelming, emotional development may become more difficult.

What causes alexithymia?

There is no single cause. Research suggests that alexithymia develops through an interaction between biology, brain functioning, life experiences, and environmental influences.

1. Early childhood experiences

One of the strongest contributors appears to be early emotional development. Children learn emotions when adults consistently notice and name them. For example:

"You look worried."

"You seem disappointed."

"I understand why you are angry."

If caregivers ignore emotions, punish emotional expression, or never discuss feelings, children may grow up without developing a rich emotional vocabulary. This does not necessarily mean parents were abusive. Sometimes parents themselves struggle with alexithymia. Sometimes families simply prioritize achievement, discipline, or practical problem solving over emotional conversations. The result is often the same. The child learns:

"We don't talk about feelings." Eventually, they may stop trying to understand them.

2. Trauma and chronic stress

Traumatic experiences can significantly increase alexithymic traits. During overwhelming events, the brain's priority becomes survival rather than emotional understanding. In situations involving violence, abuse, neglect, severe accidents, war, or prolonged emotional stress, temporarily disconnecting from emotions may actually protect psychological functioning. This protective adaptation can become long lasting. Many trauma survivors later describe knowing something is wrong while being unable to identify what they actually feel. Trauma does not always create alexithymia, but numerous studies demonstrate a strong association between childhood adversity and later emotional identification difficulties.

3. Brain functioning

Modern neuroimaging studies suggest that alexithymia involves differences in communication between brain regions responsible for emotional experience and conscious awareness. Researchers have identified altered functioning in areas including:

• the anterior insula, involved in awareness of internal bodily states

• the anterior cingulate cortex, involved in emotional regulation and conflict monitoring

• regions of the prefrontal cortex involved in interpreting and labeling emotions

Rather than one "damaged" area, alexithymia appears to involve differences in how emotional information is integrated across multiple brain networks.

4. Neurodevelopmental conditions

Alexithymia is more common among people with autism spectrum condition. Importantly, researchers increasingly argue that many emotional difficulties previously attributed to autism may actually be explained by co-occurring alexithymia. This distinction matters because not every autistic person has alexithymia, and not every person with alexithymia is autistic. The two overlap but are not the same phenomenon.

What does alexithymia look like in everyday life?

Many people imagine someone who rarely cries or appears emotionally detached. Reality is often much more complex. A person with alexithymia may:

• become overwhelmed by emotions without understanding why

• experience frequent physical symptoms during stress

• struggle to explain emotional needs

• avoid emotionally difficult conversations

• describe situations rather than feelings

• appear emotionally distant despite caring deeply

• find psychotherapy challenging initially because questions about emotions feel impossible to answer

For example:

Instead of saying: "I feel rejected." Someone might say: "They didn't reply."

Instead of: "I'm anxious." They may notice: "My heart is racing."

Instead of: "I'm grieving." They might only experience exhaustion, headaches, muscle tension, or digestive discomfort.

Why do emotions become physical?

This is one of the most fascinating aspects of alexithymia. Emotions are not only psychological experiences. They involve measurable changes in:

• heart rate

• breathing

• muscle tension

• hormone release

• autonomic nervous system activity

• immune functioning

Normally, the brain integrates these bodily signals with emotional understanding. For example: "My chest feels tight because I am anxious before today's presentation."

In alexithymia, the physical sensations remain, but the emotional interpretation may never occur. Instead, the experience becomes: "My chest feels strange."

Research suggests that people with alexithymia often have reduced interoceptive awareness, meaning they have more difficulty accurately interpreting signals coming from inside the body. This may partly explain why emotional distress is sometimes experienced primarily as physical discomfort.

Does alexithymia affect relationships?

Very often. Healthy relationships rely on communicating emotional experiences. Imagine hearing only: "I'm fine." "I'm tired." "I don't know." "I'm okay." Meanwhile, beneath those words may exist disappointment, loneliness, fear, shame, anger, or grief. Partners sometimes mistakenly interpret alexithymia as emotional indifference.

In reality, many individuals with alexithymia care deeply but simply lack the internal tools to recognize and communicate emotional experiences. This misunderstanding can create cycles of frustration on both sides.

Can alexithymia affect physical health?

Research suggests that it can. Alexithymia has been associated with increased rates of:

• chronic pain

• functional gastrointestinal disorders

• cardiovascular risk factors

• sleep disturbances

• somatic symptom disorders

This does not mean alexithymia directly causes disease. Rather, difficulty recognizing emotional stress may contribute to prolonged physiological activation of the body's stress systems. If someone never recognizes that they are chronically overwhelmed, they may also be less likely to seek appropriate emotional support or reduce stress before it begins affecting health.

Does alexithymia increase the risk of mental health difficulties?

Yes. Research has linked alexithymia with increased vulnerability to:

• depression

• anxiety disorders

• post traumatic stress disorder

• eating disorders

• substance misuse

• obsessive compulsive symptoms

Again, alexithymia is not necessarily the cause. Instead, emotional awareness appears to be an important protective factor. Recognizing emotions helps us regulate them. Ignoring emotions does not make them disappear. It simply makes them harder to understand.

Can alexithymia improve?

Yes. Although alexithymia tends to be relatively stable, especially when present for many years, research suggests that emotional awareness can improve. The brain remains capable of learning throughout adulthood. Psychotherapy can help individuals gradually:

• build emotional vocabulary

• connect bodily sensations with emotions

• recognize emotional patterns

• improve interoceptive awareness

• develop greater self understanding

For trauma survivors, approaches that integrate both the brain and the body may be particularly valuable because trauma often affects emotional processing through both psychological and neurobiological pathways. Improvement usually happens gradually.

Someone may first learn to distinguish between feeling physically tense and emotionally anxious. Later, they may recognize the difference between frustration, sadness, disappointment, shame, and grief. These may seem like small steps, but they represent meaningful changes in how the brain processes emotional information.

Alexithymia is not emotional weakness

Perhaps the most important message is this: Difficulty identifying emotions does not mean someone has no emotions. It does not mean they lack empathy. It does not mean they do not care.

Very often, emotions are present beneath the surface. They simply have not yet become conscious, organized into words, or fully understood. For many people, learning the language of emotions is not about becoming "more emotional." It is about becoming more connected to themselves. When we can recognize what we feel, we are better able to understand our needs, communicate with others, regulate stress, and make decisions that reflect what truly matters to us. Emotional awareness is not a luxury. It is one of the fundamental skills that supports psychological wellbeing throughout life.

References

• Bagby, R. M., Parker, J. D. A., & Taylor, G. J. (2020). Twenty-five years with the Toronto Alexithymia Scale. Journal of Psychosomatic Research.

• Bird, G., & Cook, R. (2013). Mixed emotions: The contribution of alexithymia to the emotional symptoms of autism. Translational Psychiatry, 3, e285.

• Brewer, R., Cook, R., & Bird, G. (2016). Alexithymia: A general deficit of interoception. Royal Society Open Science, 3(10).

• Luminet, O., Bagby, R. M., & Taylor, G. J. (Eds.). (2018). Alexithymia: Advances in Research, Theory, and Clinical Practice. Cambridge University Press.

• Porges, S. W. (2021). Polyvagal Safety: Attachment, Communication, Self-Regulation. W. W. Norton.

• Taylor, G. J., Bagby, R. M., & Parker, J. D. A. (1997). Disorders of Affect Regulation: Alexithymia in Medical and Psychiatric Illness. Cambridge University Press.

• Van der Kolk, B. A. (2014). The Body Keeps the Score. Viking.

• Lane, R. D., & Schwartz, G. E. (1987). Levels of emotional awareness: A cognitive developmental theory and its application to psychopathology. American Journal of Psychiatry.