Personality Disorder

Personality Disorder

A personality disorder is a mental health condition that involves long-lasting, all-encompassing, disruptive patterns of thinking, behavior, mood and relating to others. These patterns cause a person significant distress and/or impair their ability to function.

There are 10 types of personality disorders, each with different characteristics and symptoms.

Personality is vital to defining who we are as individuals. It involves a unique blend of traits — including attitudes, thoughts and behaviors — as well as how we express these traits in our interactions with others and with the world around us. Personality Disorder

Personality disorders may cause distorted perceptions of reality, abnormal behaviors and distress across various aspects of life, including work, relationships and social functioning. Additionally, people with a personality disorder may not recognize their troubling behaviors or the negative effect they have on others.

What are the types of personality disorders?

The Diagnostic and Statistical Manual of Mental Disorders (DSM-5), which is the standard reference publication for recognized mental illnesses, organizes the 10 types of personality disorders into three main clusters (categories). Each cluster has different symptoms in common. Personality Disorder

Cluster A personality disorders

Cluster A personality disorders involve unusual and eccentric thinking or behaviors. These include:

  • Paranoid personality disorder: The main feature of this condition is paranoia, which is a relentless mistrust and suspicion of others without adequate reason for suspicion. People with paranoid personality disorder often believe others are trying to demean, harm or threaten them.
  • Schizoid personality disorder: This condition is marked by a consistent pattern of detachment from and general disinterest in interpersonal relationships. People with schizoid personality disorder have a limited range of emotions when interacting with others. Personality Disorder
  • Schizotypal personality disorder: People with this condition display a consistent pattern of intense discomfort with and limited need for close relationships. Relationships may be hindered by their distorted views of reality, superstitions and unusual behaviors.

Cluster B personality disorders

Cluster B personality disorders involve dramatic and erratic behaviors. People with these types of conditions display intense, unstable emotions and impulsive behaviors. Cluster B personality disorders include:

  • Antisocial personality disorder (ASPD): People with ASPD show a lack of respect toward others and don’t follow socially accepted norms or rules. People with ASPD may break the law or cause physical or emotional harm to others around them. They may refuse to take responsibility for their behaviors and/or display disregard for the negative consequences of their actions.
  • Borderline personality disorder (BPD): This condition is marked by difficulty with emotional regulation, resulting in low self-esteem, mood swings, impulsive behaviors and subsequent relationship difficulties. Personality Disorder
  • Histrionic personality disorder: This condition is marked by intense, unstable emotions and a distorted self-image. For people with histrionic personality disorder, their self-esteem depends on the approval of others and doesn’t come from a true feeling of self-worth. They have an overwhelming desire to be noticed by others, and may display dramatic and/or inappropriate behaviors to get attention.
  • Narcissistic personality disorder: This condition involves a consistent pattern of perceived superiority and grandiosity, an excessive need for praise and admiration and a lack of empathy for others. These thoughts and behaviors often stem from low self-esteem and a lack of self-confidence.

Cluster C personality disorders

Cluster C personality disorders involve severe anxiety and fear. They include:

  • Avoidant personality disorder: People with this condition have chronic feelings of inadequacy and are highly sensitive to being negatively judged by others. Though they would like to interact with others, they tend to avoid social interaction due to the intense fear of being rejected.
  • Dependent personality disorder: This condition is marked by a constant and excessive need to be cared for by someone else. It also involves submissiveness, a need for constant reassurance and the inability to make decisions. People with dependent personality disorder often become very close to another person and spend great effort trying to please that person. They tend to display passive and clinging behavior and have a fear of separation. Personality Disorder
  • Obsessive-compulsive personality disorder (OCPD): This condition is marked by a consistent and extreme need for orderliness, perfectionism and control (with no room for flexibility) that ultimately slows or interferes with completing a task. It can also interfere with relationships.

This is a separate condition from obsessive-compulsive disorder (OCD), which is classified as an anxiety disorder. While people with OCD usually are aware that OCD is causing their behavior and accept they need to change, people with OCPD usually have little, if any, self-awareness of their behaviors.

People might have mixed symptoms of more than one personality disorder. Personality Disorder

Who do personality disorders affect?

Anyone can have a personality disorder. But different types of personality disorders affect people differently.

Most personality disorders begin in the teen years when your personality further develops and matures. As a result, almost all people diagnosed with personality disorders are above the age of 18. One exception to this is antisocial personality disorder — approximately 80% of people with this disorder will have started to show symptoms by the age of 11. Personality Disorder

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Antisocial personality disorders are more likely to affect people assigned male at birth. Borderline, histrionic and dependent personality disorders are more likely to affect people assigned female at birth.

How common are personality disorders?

Approximately 9% of adults in the U.S. have some type of personality disorder, and about 6% of the global population has a personality disorder.

Borderline personality disorder (BPD) and antisocial personality disorder are the most frequently diagnosed personality disorders. Personality Disorder

Personality disorders are among the least understood mental health conditions. Scientists are still trying to figure out the cause of them.

So far, they believe the following factors may contribute to the development of personality disorders:

  • Genetics: Scientists have identified a malfunctioning gene that may be a factor in obsessive-compulsive personality disorder. Researchers are also exploring genetic links to aggression, anxiety and fear, which are traits that can play a role in personality disorders.
  • Brain changes: Researchers have identified subtle brain differences in people with certain personality disorders. For example, findings in studies on paranoid personality disorder point to altered amygdala functioning. The amygdala is the part of your brain that’s involved with processing fearful and threatening stimuli. In a study on schizotypal personality disorder, researchers found a volumetric decrease in the frontal lobe of their brain. Personality Disorder
  • Childhood trauma: One study revealed a link between childhood traumas and the development of personality disorders. People with borderline personality disorder, for example, had especially high rates of childhood sexual trauma. People with borderline and antisocial personality disorders have issues with intimacy and trust, both of which may be related to childhood abuse and trauma.
  • Verbal abuse: In one study, people who experienced verbal abuse as children were three times as likely to have borderline, narcissistic, obsessive-compulsive or paranoid personality disorders in adulthood. Personality Disorder
  • Cultural factors: Cultural factors may also play a role in the development of personality disorders, as demonstrated by the varying rates of personality disorders between different countries. For example, there are remarkably low cases of antisocial personality disorders in Taiwan, China and Japan, along with significantly higher rates of cluster C personality disorders.

What are the symptoms of personality disorders?

Each of the 10 types of personality disorders has its own specific signs and symptoms.

But, in general, personality disorders involve problems with:

  • Identity and a sense of self: People with a personality disorder generally lack a clear or stable image of themselves, and how they see themselves often changes depending on the situation or the people they’re with. Their self-esteem may be unrealistically high or low.
  • Relationships: People with a personality disorder struggle to form close, stable relationships with others due to their problematic beliefs and behaviors. They may lack empathy or respect for others, be emotionally detached or be overly needy of attention and care Personality Disorder
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