Social and occupational interactions are severely hampered and conversational skills (the give and take of verbal intercourse) are primitive. The Asperger's Disorder patient is self-centered and engrossed in a narrow range of interests and activities. Still, though frequently found between the ages of 3 and 6, Asperger's Disorder is often misdiagnosed as a cluster B personality disorder, most often as the Narcissistic Personality Disorder (NPD).
Personality disorders cannot be safely diagnosed prior to early adolescence. Could similarities lead to a misdiagnosis? Comparison of symptoms of narcissism and other personality disorders and Asperger's Disorder symptoms.