Johannes C. Ziegler|Catherine Pech?Georgel|Florence George|F.?Xavier Alario|Christian Lorenzi
Deficits in speech perception predict language learning impairment
Institut de Neurobiologie de la Méditerranée|Institut Universitaire de France|Université Paris Cité|Institut de Neurobiologie de la Méditerranée|Institut Universitaire de France|Université Paris Cité|Institut de Neurobiologie de la Méditerranée|Institut Universitaire de France|Université Paris Cité|Columbia University|Institut de Neurobiologie de la Méditerranée|Institut Universitaire de France|Université Paris Cité|Institut de Neurobiologie de la Méditerranée|Institut Universitaire de France|Université Paris Cité
specific language impairment sli one common childhood disorders affecting 7 children children experience difficulties understanding producing spoken language despite normal intelligence normal hearing normal opportunities learn language causes sli still hotly debated ranging nonlinguistic deficits auditory perception highlevel deficits grammar show children sli poorerthannormal consonant identification measured ecologically valid conditions stationary fluctuating masking noise deficits persisted even comparison younger group normally developing children matched language skills finding points fundamental deficit information transmission phonetic features voicing place manner impaired although deficits strongest voicing eg difference betweenbandp children sli experienced perfectly normal release masking better identification fluctuating stationary noise indicates central deficit feature extraction rather deficits lowlevel temporal spectral auditory capacities showed speech identification noise predicted language impairment great extent within group children sli across participants previous research might underestimated important link possibly speech perception typically investigated optimal listening conditions using nonspeech material present study suggests children sli learn language deviantly inefficiently extract manipulate speech features particular voicing result offers new directions fast diagnosis remediation sli