Recent work has demonstrated the importance of derivational morphology to later language development and has led to a consensus that derivation is a lexical process. In this review, derivational morphology is discussed in terms of lexical representation models from both linguistic and psycholinguistic perspectives. Input characteristics, including…

Children with specific language impairment (SLI) consistently show poor nonword repetition (NWR) performance. However, the reason for these difficulties remains a matter of intensive debate. Nonword repetition is a complex psycholinguistic task that heavily relies upon phonological segmentation and phonological knowledge, and even lexical…

This paper argues that conventional educational and psychological assessment is not sufficient to identify dyslexia, and that psycholinguistic assessment by clinicians specializing in language is required. Psycholinguistic assessment involves use of testing, clinical observations, and language histories for evaluating complex interactions between…

This discussion of speech and language development in individuals with nonverbal learning disabilities (NLD) reviews NLD assets, deficits, and dynamics; the white matter model; manifestations of NLD in neurological dysfunction; psycholinguistic dimensions of NLD in terms of language content, form, and use; developmental considerations in NLD; and…