text: According to the National<unk>  Institute, the incidence of<unk><unk> s has increased over the past 20 years.  New medical treatments and technologies are improving the survival rate of<unk><unk> s however, late effects of<unk>  and its treatments, particularly those involving<unk>  and cognition, require further study.
option_0: Learning problems in childhood cancer
option_1: Child psychopathology
option_2: Autism causes
option_3: Hearing impairment medical therapy
option_4: Hearing impairment laboratory findings
option_5: Dementia risk factors
option_6: Pre- and perinatal psychology
option_7: Asperger syndrome diagnosis