criteria for more than 2 years since the diagnosis, (b) adults over 20 years of age and who understood the purpose of this study and agreed to participate with a written consent, given the agreement from their parents or guardian, (c) those who had no acute psychotic symptoms and were able to perform verbal communication, (d) those who had no problem with hearing or doing other activities, (e) and those who did not have dementia or other brain injuries that may affect the outcome variables.