This is a cross-sectional and hospital -based study. The participants include 80 child and adolescents who are 6 to 18 years old and 80 control subjects. The instruments include the Chinese version of Child Behavior Checklist (CBCL), 36-Item Short Form Health Survey (SF-36), Child Attitude Toward Illness Scale (CATIS), the Swanson, Nolan, and Pelham, version IV (SNAP-IV), Parental Bonding Instrument (PBI), Family APGAR, Chinese Health Questionnaire (CHQ-12), impact of childhood illness scale, drug compliance scale. We will also collect related information from chart record, and then analyze for emotion/behavior presentation and to identify the risk factors for epilepsy.