to explore early language development in children at FR of dyslexia; to compare developmental language profiles in FR children and children with SLI.
Details
Informants
- baby’s, from 19 months to approximately 37 months; N ≈ 110
- toddlers; 3;2 (years; months) at the onset; about 5;0 at the last test session; N ≈ 140
Characteristics
- baby cohort: ~70 children at familial risk (FR) of dyslexia; ~40 controls
- toddler cohort: ~70 FR children, ~40 controls, ~30 children (tentatively) diagnosed with Specific Language Impairment (SLI)
- Children from both cohorts have returned to the lab at age 8 for follow-up tests: toddler cohort: n = 107; baby cohort: n = 65
Materials
- preferential listening experiment; measurement of listening times in several trials
- categorical perception experiment; tests of productive phonology (elicited naming)
Size
- raw estimate of 60 GB