Dr. Volkmar explains the causes of Asperger's syndrome.
Interestingly, Asperger himself speculated, he said it tended to run in families. He’d seen fathers who had similar problems. It looks like if anything there may be even stronger genetics to Asperger’s than there is to autism.
About Dr. Volkmar, M.D.:
Fred Volkmar, M.D. is the director of the Yale University Child Study Center and Irving B. Harris Professor of Child Psychiatry, Pediatrics and Psychology at Yale University, where he heads the university's autism research and autism clinic. He is also Chief of Child Psychiatry at Yale-New Haven Hospital. His research focuses on understanding the fundamental nature of autism and developing better guidelines to diagnose autism and related conditions.