Dorothy Bishop|C. V. Adams|Kate Nation|Stuart Rosen
Perception of transient nonspeech stimuli is normal in specific language impairment: Evidence from glide discrimination
University of Oxford|University of Oxford|University of Oxford|University College London
twenty 9 12yearolds specific language impairment sli compared 18 agematched controls auditory discrimination tasks using threeinterval twoalternative forcedchoice format first task used minimal word pairs silence noise nonspeech tasks involved discriminating direction frequency glides two versions glide moved 500 1500 hz duration adaptively decreased b glides lasted 250 ms frequency range adaptively modified threshold reached control sli groups differ glide tasks around half children groups accurately discriminated 20 ms glides small significant group difference speechinnoise task scores weakly related literacy level perception brief transient nonspeech stimuli abnormal majority schoolaged children sli