“…Psychotropic medications were defi ned as medical agents for the central nervous system, excluding analgesics and anticonvulsants (de Bildt, Mulder, Scheers, Minderaa, & Tobi, 2006). They included antipsychotics, antidepressants, anxiolytics, psychostimulants, hypnotics/sedatives, anti-Parkinson medications, and opioid antagonists (de Bildt et al, 2006). Demographic information including age, gender, level of ID, and usual residence was attained through telephone interviews with the participants ' care providers at the commencement of the trial.…”