Can thought/communication disorders occur at any age from schizophrenia?

Starts Young Adults: Schizophrenia can occur at almost any age, but it is rare in chidlhood. The symptoms of schizophrenia most commonly begin in mid to late adolescence with full blown difficulties in early adulthood. It is very unusual for schizophrenia to suddenly begin in mid to late adulthood.

Depends: The thought disorder from schizophrenia you speak of may be different from a communication disorder. A communication disorder may start at a very young age and could begin in childhood.. Schizophrenia has for it's most common age of onset the late teens or the early 20s. Cases of schizophrenia in a young child are rare and atypical.