Dorothy V. M. Bishop
Genetic and environmental risks for specific language impairment in children
University of Oxford
specific language impairment sli term used refer unexplained difficulties language acquisition children past decade rapid growth evidence indicating genes play important part aetiology sli however progress elucidating role genes causing sli limited lack understanding phenotype studies date hampered fact know whether sli treated discrete disorder continuous variable let alone measures used identify cases many subtypes recent research suggests theoretically motivated measures underlying processes may better conventional clinical diagnoses identifying aetiologically distinct types language impairment tendency researchers embrace parsimony look single cause slior event identify different subtypes different single cause research reviewed suggests may fruitful approach sli approach terms multiple risk protective factors widely adopted medicine realistic