The submerged dyslexia iceberg: how many school children are not diagnosed? Results from an Italian study.

ABSTRACT:

Background

Although dyslexia is one of the most common neurobehavioral disorders affecting children, prevalence is uncertain and available data are scanty and dated. The objective of this study is to evaluate the prevalence of dyslexia in an unselected school population using clearly defined and rigorous diagnostic criteria and methods.

Methods

Cross sectional study. We selected a random cluster sample of 94 fourth grade elementary school classes of Friuli Venezia Giulia, a Region of North Eastern Italy. We carried out three consecutive levels of screening: the first two at school and the last at the Neuropsychiatry Unit of a third level Mother and Child Hospital. The main outcome measure was the prevalence of dyslexia, defined as the number of children positive to the third

SUBMITTER: Barbiero C 

PROVIDER: S-EPMC3485303 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature