This may be hope for autism and their families: scientists have discovered genetic defects that could help understand and track the disease whose prevalence is increasing in all industrialized countries, but whose origin remained a mystery until.
This disorder of behavior and language is a challenge for physicians: can take various forms, more or less marked. Mainly, no test or biochemical analysis do not allow to detect ; affected children are rarely diagnosed before the age of five. Decades ago, some psychoanalytic theories have pointed to the responsibility of parents, and especially of the mother. It was not until years 1980 that the research is directed towards the brain biology and genetics. Studies of twins have shown that when 15 to 20 % cases of autism had a hereditary. A dozen genes may play a role in the disease were identified, neither can be considered "the" responsible.