Ying Liang, Qibin Fu, Xudong Wang, Feng Liu, Gen Yang, Chunxiong Luo, Qi Ouyang, Yugang Wang
Relative biological effectiveness for photons: implication of complex DNA double-strand breaks as critical lesions
Physics in medicine and biology
introduction individuals intellectual disabilities id heightened risk behavioral problems methods study investigated differences severity challenging behaviors cbs among individuals ids varying life stages data collected parents retrospective interviews surveys completed 47 parents whose child ids 19 years older made use welfare services individuals exhibit cbs results final study sample consisted 28 parents findings showed parents gave lowest total scores severity cbs adult children preschool stage compared stages elementary school junior high school high school posthigh school b differences life stages appear depend type cb c common cb recorded children 0 2 years old extreme hyperactivity followed severe sleep disturbances conclusions results study show domain ratings stereotypicrestricted behaviors sleep disturbance problems feeding problems problems elimination often remain stable throughout life stages moreover parents frequently reported cbs often occurred children aged 02 years