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

Most abnormal behaviors are highly individualized and idiosyncratic. Stereotypic behaviors are classified as "habitual patterns of stimulation which, by virtue of their familiarity and repetitive ...

A new Tel Aviv University study finds that gene deletion or deficiency in neurons is responsible for the abnormal hypersocial behavior associated with Williams syndrome (WS), a rare disorder affecting ...

Two studies have identified gastrointestinal problems in dogs that licked surfaces excessively or engaged in fly biting behavior. Once the underlying problems were treated, the compulsive behavior in ...