Facial expressions in sign language carry a variety of communicative features. While emotion can modulate a spoken utterance through changes in intonation, duration and intensity, in sign language specific facial expressions presented concurrently with a manual sign perform this function. When deaf adult signers cannot see facial features, their…

To compare Japanese autistic children's use of semantic knowledge and theory of mind with mentally retarded and typically developing children's, they were tested on their comprehension of active and passive sentences and false belief understanding. Autistic children were sensitive to plausibility levels of semantic bias as were 4-year-olds with…