[Communication disorders]. 
This is a round table presentation on disorders of communication.  Diagnostic and therapeutic challenges are analyzed.  Autism is considered to be an important clinical syndrome in which there may be different degrees of affectation of behaviour, alterations of language and deficit in social interaction.  There is therefore a similar phenotype with slight differences probably due to different clinical genotypes in each clinical group.  There is obviously genetic heterogeneity.  We consider the most useful diagnostic protocols to establish the differential diagnosis, but always based on essential prior clinical analysis of each case.  Finally we study current therapeutic challenges