From sudden outbursts to unpredictable mood swings, erratic behavior can leave a trail of confusion and frustration in its ...

Nobody gets along with their boss all the time, but are you working for a full-blown narcissist? Look for these signs.

A commenter who described the devastating scenario from the perspective of the object of obsession said, “It’s like living ...

Source: Flickr, "Straight Jacket" by PhotoAteller, CC by 2.0 In my post Public Faces Vs. Private Thoughts: the Actor's Paradox, I wrote that patients with personality disorders are very adept at ...

Popular genetics tests can’t tell you much about your dog’s personality, according to a recent study. A team of geneticists ...

A growing body of psychological research is uncovering the subtle behavioral patterns that may reveal when someone thinks in markedly different ways from those around them.

Behaviors often include lying, impulsiveness and aggression. Many of those who've exhibited lifelong antisocial, aka sociopathic, behavior -- lying, impulsiveness, aggression, lacking concern for ...

If your teen exhibits narcissistic behaviors, either grandiose or vulnerable, how can you tell if they have a personality ...

Trying to control others by imposing rigid rules, demanding conformity, micromanaging tasks, or punishing deviation is more ...