Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

Do you struggle to function on your own? Neediness, clinginess, and deep-seated fears of being alone may be signs of dependent personality disorder, a condition marked by over-reliance on others and a ...

Grandiosity, entitlement, and self-focus can appear in both bipolar and narcissistic personality disorders, but the timing ...

Schizophrenia involves periods of psychosis, including hallucinations, delusions, and disorganized thinking that distort a person’s sense of reality. Schizoid personality disorder is a long-standing ...

Despite a few similar symptoms, bipolar disorder is not a type of personality disorder. However, it may be misdiagnosed as one, or you can have both. Bipolar disorder is considered a type of mood ...

Personality refers to a relatively stable set of tendencies in behaviors, cognitions, and emotional patterns, which together constitute a person’s unique character. One person may, for instance, be ...

A new study suggests that it might be possible to personalize care for people with bipolar disorder, using the results of detailed personality tests. It finds that such tests might help identify ...

The exact cause of personality disorders is unclear. However, genetics, neurological differences, and environmental factors may contribute to the development of these complex mental health conditions.

Schizoid personality disorder (SPD) is a mental health condition that causes a person to have little or no interest in connecting with others. People with SPD may seem distant, aloof, or passive. SPD ...

Symptoms of ASPD can start in childhood and may include manipulative and reckless behaviors. ASPD often co-occurs with other mental health conditions, which makes it harder to treat. Up to 31% of ...