… to treatment-related factors [2, 3] . This paper aimed at testing the effects of early highdose
LT4 treatment on auditory brain event-related potentials (ERPs) at 5 years 9 months, before …

… 9 years when a high dose of LT 4 is administered during the first years of life [… reported in
90% of children who start thyroid treatment after 21 days of age [… ERPs Event related potentials …

… of thyroid hormones (THs), which are essential for development since intrauterine life. Children
with CH can develop hearing … , literacy, school performance, and the child’s psychosocial …

… Vliet G, Robaey P: Effects of early high-dose levothyroxine treatment on auditory brain
event-related potentials at school entry in children with congenital hypothyroidism. Horm Res 2006…

… the impact of abnormal thyroid function during the first 3 years … consider 2 studies using
event-related potentials. Martí et al. … Cuban children with CH reported that an initial high dose of …

… auditory ERP (Event Related Potentials) components, … the west by the stringent application
of effective Newborn Screening … However, high dose thyroxine replacement does not seem to …

… , literacy, school performance, and the child’s psychosocial … thyroid gland is crucial for the
development of the auditory … in early periods, as in CH, the risk of hearing loss in children is …

… the effects of iodine overload may last for over a month (1). l-thyroxine treatment is initiated
if hypothyroidism is … before the child starts school and continuing throughout childhood and …

… (29), and abnormal auditory brainstem evoked potential tracings … severe congenital
hypothyroidism: Cognitive event related … gap with early high dose levothyroxine treatment. J Clin …

… the hearing of children with CH compared to children without … collected on the day of the
questionnaire application (n = 263… the first five years of treatment with levothyroxine replacement…