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 ...

Where mood disorders can cause temporary or fluctuating changes in mood, personality disorders cause symptoms that remain consistent over time and across a range of situations. For example, bipolar ...

Schizotypal personality disorder is a cluster A personality disorder that involves various symptoms. These symptoms include difficulty in relationships, atypical thinking and behavior, and a distorted ...

A personality test is an instrument designed to elicit a response that may reveal someone's "personality"—that is, their patterns of behaving and thinking across different situations. These tests can ...

Volatile relationships, reckless impulsivity and an unstable identity are hallmarks of this misunderstood mental health condition. Credit...Vanessa Saba Supported by By Christina Caron On the surface, ...

Mental health disorders come in many forms and affect thoughts, emotions and behaviors in complex ways. Conditions like anxiety, depression and bipolar disorder are among the most frequently diagnosed ...