Effect of Speaker Gaze on Word Learning in Fragile X Syndrome: A Comparison With Nonsyndromic Autism Spectrum Disorder

摘要: Purpose This study examined use of a speaker's direction gaze during word learning by boys with fragile X syndrome (FXS), nonsyndromic autism spectrum disorder (ASD), and typically developing (TD) boys. Method A fast-mapping task follow-in discrepant labeling conditions was administered. We expected that the speaker would lead to participants selecting as referent novel label object which they attended in trials examiner trials. Participants were school-aged FXS (n = 18) or ASD matched on age, intelligence quotient, nonverbal cognition younger TD cognition. Results All groups performed above chance both conditions, although closest pattern. Boys better than trials, whereas did equally well tr...