The use of augmentative and alternative communication systems based on graphic symbols requires children to learn to combine symbols to convey utterances. The current study investigated how children without disabilities aged 4 to 6 years (n = 74) performed on a simple sentence (subject-verb and subject-verb-object) transposition task (i.e., spoken…

Evaluation of the adequacy of 11 metrics for measuring linguistic complexity of language samples obtained from 60 to 90 year olds indicated that, although most of the metrics adequately accounted for age-group and individual differences in complexity, the amount and type of embedding proved to predict how easily sentences are understood and how…

Investigates the age effects on the abilities of older and younger adults in Canada to use contextual information to resolve ambiguous pronouns. Findings reveal that both groups were equally influenced by the contextual information available, although older adults responded more slowly and were less accurate than the younger adults. (50…

When elderly (70-89 years) and younger (30-49 years) adults imitated complex sentences, younger adults were more able to imitate accurately and correctly paraphrase sentences regardless of length, position, or type of embedded clause. Elderly adults were unable to imitate or paraphrase correctly long constructions, suggesting an age-related…

Examines the use and understanding of concordant and discordant adverbial conjuncts in the latter part of the life span. Young, middle-aged, and elderly adults, matched for education level, were studied. Results indicate a significant decline in processing adverbial conjuncts in the elderly, due to a deficit in linguistic processing rather than a…