Speakers choose a particular expression based on many factors, including availability of the referent in the perceptual context. We examined whether, when expressing referents, monolingual English- and Turkish-speaking children: (1) are sensitive to perceptual context, (2) express this sensitivity in language-specific ways, and (3) use co-speech…

Research is reported which investigated the ability of four-month-old hearing infants to discriminate between gestures derived from American Sign Language. Findings show that infants possess the perceptual abilities to differentiate between signs that differ solely in terms of contrasts along a single underlying movement direction. (SED)

Social perceptual processes are reexamined in order to develop better insight into interpersonal communication selectivity when several stimuli are present. It is argued that stimuli are selected differentially because of the perceiver's experiential codification sophistication: a preference for using some codes rather than others exists in…

Reviews history and research of sensorimotor and language development in handicapped children, two research studies on the relationship between sensorimotor development and communication status in nonverbal severely mentally retarded subjects, problems using standardized sensorimotor scales, and an alternative approach involving direct measurement…