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 ...

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 ...

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

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 ...

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, ...