The Educational Sign Skills Evaluation (ESSE) was developed to provide a means of identifying the dominant signing style of an individual and to provide feedback on areas of strength and areas in need of improvement. It provides an overall expressive skills rating as well as information on the type, level, and degree of understanding demonstrated…

This study examined keyword signing (KWS), a communication approach used with nonspeaking individuals. Acoustic measures and judgments of 20 adult listeners were used to evaluate KWS and Spoken-Only narratives. KWS narratives were produced with a slower articulation rate, because of increased pause and speech segment duration and increased pause…

Studies of American Sign language including functional magnetic resonance imaging of deaf signers confirms the importance of left hemisphere structures in signed language, but also the contributions of right hemisphere regions to sign language processing. A case study involving cortical stimulation mapping in a deaf signer provides evidence for…

The study assessed the use of Blissymbols in the spoken and signed language development of 10 school-aged (mean age 11.5 years) children with developmental dysphasia of whom four also were mildly retarded. The students' expressive abilities in signed and spoken words were initially assessed before the Bliss teaching began, and then again after 1…

Sign language production of 14 low-functioning students (ages 9 to 20) with autistic disorder were examined. The location aspect of signs was produced more accurately by subjects than either the handshape or movement aspects. Wide individual differences were observed. Sign vocabulary size and accuracy was correlated with performance on two…

The use of Makaton signs was investigated with 49 British children (ages 4-13) with severe learning difficulties. Teacher-directed settings were associated with more use of signs but limited pragmatic functions. Free play settings were associated with less sign use but more varied functions. In both settings, most spoken and signed language was…