Impulse Regulation in Personality Disorders

  • May 25th 2025
  • Est. 12 minutes read

People with personality disorders often have difficulty managing their impulses. For some, this can mean acting on urges too quickly, while for others it may involve holding back and shutting down. These behavior patterns fall along what is often referred to as an impulse control spectrum, which ranges from undercontrol to overcontrol.

Most people fall somewhere in the middle of this spectrum, which means they can generally resist temptations when needed but can also be flexible and spontaneous when the situation calls for it. In personality disorders, however, impulse regulation can become stuck at one extreme or the other. Understanding how this happens and how it shows up in different disorders can offer valuable insight for those living with a personality disorder and those who support them.

The Impulse Control Spectrum

Impulse regulation is the ability to resist desires or the temptation to act in ways that may be inappropriate or counterproductive [1]. Impulse control is a skill that helps people handle everyday challenges and get along with others. For people with personality disorders, the impulse control spectrum offers a helpful framework for understanding the different ways to manage or react to one’s own impulses or urges [2].

The impulse spectrum includes three main components:

  • Overcontrol: This describes people who are overly restrained or rigid in their impulses.
  • Balance: Balanced impulse control is when people are able to exercise healthy, flexible self-control.
  • Undercontrol: Acting impulsively or struggling to manage behavior indicates a lack of control over one’s impulses.

These categories help explain how people behave in real life and why some may struggle more than others. For example, someone with a healthy personality tends to be flexible; they can hold back when needed, but they’re not overly rigid. This is very different from the extreme patterns of either overcontrol or undercontrol often seen in people with personality disorders.

Ultimately, impulse control matters because it affects so many parts of daily life, such as:

  • Making decisions: Good impulse control helps people think things through instead of acting on the spot.
  • Managing emotions: It allows for calmer, more thoughtful reactions in challenging situations.
  • Building relationships: Controlling impulses makes it easier to be respectful, patient, and dependable.
  • Weighing consequences: It helps people focus on long-term goals instead of quick rewards.

In fact, research shows that people with strong impulse control also tend to be more emotionally stable and mentally flexible, which makes it easier to handle stress and make good choices [3]. Understanding where someone falls on this spectrum, especially if they have a personality disorder, can help identify what kind of support or strategies might be helpful.

Overcontrolled vs. Undercontrolled Behaviors

The differences between overcontrolled and undercontrolled impulse regulation appear in many everyday behaviors [4]. These patterns are often linked to personality disorders, but can be seen in anyone to varying degrees.

Overcontrolled Patterns

Overcontrolled impulse regulation often looks like:

  • Risk avoidance: Some people avoid risk at all costs, even when the situation might be safe or rewarding.
  • Excessive caution: Excessive caution prevents potentially beneficial new experiences or relationships.
  • Unhealthy patience: Extreme ability to delay gratification sometimes leads to never experiencing rewards.
  • Obsession with timeliness: Needing to stick rigidly to schedules, leaving no space for flexibility.
  • Perfectionism: Perfectionist organizational patterns create stress when systems are disrupted.

Undercontrolled Patterns

In contrast, undercontrolled impulse regulation appears as:

  • Risky behavior: Frequent risk-taking without consideration of consequences drives decision-making.
  • Impulsivity: Acting on immediate desires without pause for reflection occurs regularly.
  • Instant gratification: The inability to delay rewards leads to the prioritization of immediate satisfaction.
  • Disregard for time or deadlines: Consistent lateness or disregard for schedules affects people’s ability to manage responsibilities.
  • Lack of organization: Chaotic or disorganized approaches to tasks create ongoing difficulties.

These patterns manifest in specific personality disorders. For instance, undercontrolled behavior often appears in personality disorders like borderline personality disorder, antisocial personality disorder, and conduct disorder. It can also emerge during manic episodes or in substance use disorders. Overcontrol, meanwhile, is often seen in avoidant personality disorder and can also appear in certain anxiety or depressive disorders, where excessive caution becomes a coping strategy.

Recognizing where someone falls on this spectrum can guide more targeted treatment. Different challenges require different approaches, depending on whether the person leans toward overcontrol, undercontrol, or somewhere in between.

Factors Affecting Impulse Regulation

Many factors influence how well a person can regulate their impulses, especially in personality disorders and impulse control challenges [5]. These influences can come from biological, psychological, and environmental areas, or a combination of all three.

Neurological Factors

The brain plays a key role in impulse control. The prefrontal cortex, which helps with self-regulation, continues to develop into early adulthood, so one’s ability to successfully manage impulses changes and matures over time. 

Brain chemicals like dopamine also affect how well impulses are managed. In general, different brain areas work together to help with decision-making, emotional control, and the ability to pause before acting.

Environmental Factors

Whether or not they have a personality disorder, a person’s environment can strongly shape how they manage impulses. Environmental factors that can influence impulsivity include:

  • Support systems: Having strong social support provides examples of healthy behavior and offers external help in regulating emotions and actions.
  • Stress levels: Chronic stress drains the mental energy needed for self-control, making it harder to resist urges.
  • Trauma: Difficult experiences earlier in life can affect how people respond to situations later on, sometimes making it harder to manage emotions or behaviors.
  • Early learning: The strategies people learn in childhood (like how to wait, calm down, or follow rules) lay the groundwork for lifelong impulse regulation habits.

Psychological Factors

Some personality traits and emotional habits can also affect impulse control, such as:

  • Conscientiousness: People who score high in this trait tend to be more disciplined and better at delaying gratification.
  • Emotional regulation: Strong emotion management skills make it easier to stay in control when faced with temptation or stress.
  • Beliefs about self-control: A person’s view of their own self-control can shape how they respond to impulses.
  • Coping mechanisms: The tools people use to handle stress or discomfort play a role in whether they act on or resist an impulse.

For example, research shows that people with higher conscientiousness usually have better impulse control. Those lower in this trait are more likely to act on impulses and struggle with waiting or long-term planning [6].

Recognizing how all these factors work together helps explain why some people have more difficulty with impulse regulation than others. This understanding supports more personalized and effective treatment approaches for people with personality disorders.

The Role of Flexibility in Impulse Control

Psychological flexibility is key to healthy impulse regulation and offers important insight into personality disorders and impulse control issues [7]. It’s the ability to adjust our behavior based on the situation, instead of sticking to rigid patterns that may no longer work.

People with psychological flexibility can shift their level of control to fit the moment, stay true to their values rather than fixed rules, find a healthy balance between restraint and expression, and bounce back after mistakes without overreacting.

In mental health and personality disorders, this flexibility often makes the difference between balance and dysfunction. While mental health used to focus primarily on positive emotions and strengths, research now shows that adaptability and alignment with one’s values are just as important.

In contrast, personality disorders often involve rigid overcontrol or undercontrol. This inflexibility shows up in several ways. For example, rigid overcontrol may look like:

  • Excessive inhibition in thoughts or actions
  • Reluctance to take risks or face uncertainty
  • Avoidance of new experiences or challenges
  • Extreme conscientiousness that causes stress or inflexibility

By contrast, undercontrol often manifests as:

  • Ongoing reckless or impulsive behavior
  • Disregard for the needs or boundaries of others
  • Repeating harmful actions even when they lead to negative outcomes

For those living with a personality disorder, increasing psychological flexibility is often a core goal of treatment. Therapies like Acceptance and Commitment Therapy are designed to help people become more adaptive and better manage their impulses in ways that align with their values.

Impulse Problems in Specific Disorders

Certain personality disorders are closely linked to specific impulse control problems [8]. Looking at these patterns helps us understand how impulse issues show up in daily life for people with personality disorders.

Antisocial Personality Disorder

Antisocial personality disorder is a clear example of undercontrolled impulse regulation. People with this disorder often act without thinking about long-term consequences. They take risks for quick rewards and show little concern for how their actions affect others or themselves down the line. This impulsivity often leads to legal trouble, broken relationships, and harmful behaviors toward others [8].

Borderline Personality Disorder

Borderline personality disorder also involves serious impulse control challenges. Intense emotions often trigger urges that feel overwhelming and impossible to resist. In the moment, impulsive behaviors like self-harm, substance use, or sudden relationship decisions may seem like a way to escape distress. But these actions usually cause more harm, creating a cycle of emotional pain and poor coping [8].

Other Personality Disorders

Several other personality disorders show distinct patterns of impulse regulation problems [8]:

  • Narcissistic Personality Disorder: Narcissistic personality disorder often involves impulsively seeking admiration or reacting to perceived slights. People with this disorder usually cannot resist the impulse to assert their superiority or respond aggressively when their self-image is threatened.
  • Histrionic Personality Disorder: Histrionic personality disorder can feature impulsive attention-seeking behaviors when feeling unnoticed. The need for attention and approval may drive dramatic, inappropriate actions without consideration of social consequences.
  • Avoidant Personality Disorder: People with this disorder typically demonstrate overcontrol through excessive risk avoidance. The impulse to retreat from potential rejection becomes so powerful that beneficial social opportunities are routinely sacrificed.

These examples show how problems with thought patterns, emotions, and impulse control work together to cause challenges and relationship difficulties seen in many personality disorders. Recognizing these patterns helps guide the appropriate treatment for each disorder.

Balancing Impulses With a Personality Disorder

Managing impulses in a healthy way supports both emotional well-being and good relationships. For people living with a personality disorder, learning how to strike that balance is often a key part of treatment.

Characteristics of Balanced Control

When someone has healthy impulse control, it shows up in several ways:

  • Stopping harmful impulses: They can hold back from acting on aggressive or inappropriate urges.
  • Taking safe risks: They allow some spontaneity and risk-taking that leads to creativity and problem-solving.
  • Adapting to the situation: They know when to use more control (like at work) and when to be more relaxed (like with close friends or family).

This kind of flexible control helps keep people both safe and fulfilled. It lets them enjoy life without letting impulses take over.

The Cost of Imbalance

When impulse control is off balance, problems usually follow.

  • Too much control: This can make life feel rigid, dull, or emotionally flat. People may feel stuck or disconnected from what they really want.
  • Too little control: This often leads to trouble, like damaged relationships, poor decisions, or legal and financial issues. While impulsive actions may bring short-term relief, they usually come with long-term regret.

Learning from Mistakes

Even people with generally good impulse control sometimes act in ways they later regret. They might speak or act without thinking, hold back in situations where taking a chance would have helped, or lose control during moments of intense emotion. These occasional missteps are a regular part of being human. 

What sets healthy regulation apart is the ability to reflect on those moments and make changes going forward. This capacity to learn and adapt helps prevent one poor choice from becoming a long-term pattern.

Building Better Balance

Therapy for personality disorders often helps people build healthier impulse regulation by focusing on:

  • Skills building: Learning specific impulse regulation skills appropriate to individual needs helps with balance.
  • Heightened awareness: Developing greater awareness of impulses before acting on them can help avoid poor decision-making.
  • Strong values: Aligning impulse regulation with personal values and long-term goals helps people maintain healthy impulse control over time.
  • Regular practice: Gradually implementing balanced regulation in increasingly challenging situations contributes to better health and well-being.

Finding the right level of impulse control is an ongoing process. But with the right support, many people with personality disorders can learn to manage their impulses in more effective and satisfying ways.

Living with a Personality Disorder

Impulse regulation plays a key role in how people function daily and manage relationships. In the case of personality disorders and impulse control problems, challenges often appear as either too much control or not enough, both of which can make life and relationships harder. 

These issues stem from a mix of brain function, environment, and personal traits, and understanding these factors can help guide treatment. Building psychological flexibility is especially important, as it allows people with a personality disorder to learn to manage impulses in more balanced and effective ways throughout their lives.

References
  1. American Psychological Association. (n.d.). APA Dictionary of Psychology: impulse control. https://dictionary.apa.org/impulse-control. Accessed 22 May 2025.
  2. Bailer, B. A., Lindwall, J. J., & Daly, B. P. (2009). Impulse control. In S. Goldstein & J. A. Naglieri (Eds.), Encyclopedia of child behavior and development (pp. 795-798). Springer. https://doi.org/10.1007/978-0-387-79061-9_1462. Accessed 18 May 2025.
  3. Casey, B. J., Somerville, L. H., Gotlib, I. H., Ayduk, O., Franklin, N. T., Askren, M. K., Jonides, J., Berman, M. G., Wilson, N. L., Teslovich, T., Glover, G., Zayas, V., Mischel, W., & Shoda, Y. (2011). Behavioral and neural correlates of delay of gratification 40 years later. Proceedings of the National Academy of Sciences, 108(36), 14998-15003. https://doi.org/10.1073/pnas.1108561108. Accessed 18 May 2025.
  4. Schreiber, L., Odlaug, B. L., & Grant, J. E. (2011). Impulse control disorders: updated review of clinical characteristics and pharmacological management. Frontiers in Psychiatry, 2, 1. https://doi.org/10.3389/fpsyt.2011.00001. Accessed 18 May 2025.
  5. Carlson, N. R. (2013). Physiology of behavior. Pearson Higher Ed. https://archive.org/details/physiologyofbeha0000unse_11ed. Accessed 22 May 2025.
  6. Duckworth, A. L., & Kern, M. L. (2011). A meta-analysis of the convergent validity of self-control measures. Journal of Research in Personality, 45(3), 259-268. https://doi.org/10.1016/j.jrp.2011.02.004. Accessed 18 May 2025.
  7. Kashdan, T. B., & Rottenberg, J. (2010). Psychological flexibility as a fundamental aspect of health. Clinical Psychology Review, 30(7), 865-878. https://doi.org/10.1016/j.cpr.2010.03.001. Accessed 18 May 2025.
  8. American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders (5th ed., text rev.). https://doi.org/10.1176/appi.books.9780890425787. Accessed 18 May 2025.
Author Dr. Briana Casali, Ph.D. Editor

Briana Casali is an experienced editor and professional writer with a background in academic editing and journalism for high-growth organizations.

Published: May 25th 2025, Last updated: Jun 9th 2025

Medical Reviewer Dr. Holly Schiff, Psy.D. Psy.D.

Dr. Holly Schiff, PsyD, is a licensed clinical psychologist specializing in the treatment of children, young adults, and their families.

Content reviewed by a medical professional. Last reviewed: May 25th 2025
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