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Biomedical subjects

R J Jarvella

Publications and source records attributed to R J Jarvella.

4 recordsLinked to original sources

Recognition of partial regularity in words and sentences.

The involvement of morphological representations in reading Swedish and Dutch was explored using a lexical decision task and a sentence continuation task. In Experiment 1, letter strings were studied which were composed of a root and derivational suffix, a nonroot and suffix, a root and nonsuffix, or a nonroot and nonsuffix. Latencies in identifying nonword items increased as the letter strings became morphologically regular. In Experiment 2, subjects chose among pairs of continuations to a sentence. One choice offered at a given point was acceptable in context, while the other was acceptable, or contained an inappropriate stem, an inappropriate inflection, or both together. The latency to choose a correct continuation increased as the foil offered became morphologically appropriate. The results show that use of morphemic representations in reading as reported by Caramazza et al. (1988) extends from the identification of single morphs to the integration of information across phrases.

Adult↗

Deaf and hearing children's use of language describing temporal order among events.

Six experiments are described in which deaf and hearing subjects decided the temporal order of events in picture series and in sentences. The deaf subjects, eight and 11 years old, performed as well as hearing children on a nonverbal picture seriation task. Both deaf and hearing subjects also described most picture series in the natural left-to-right order in which they were shown, and identified the left-hand picture in most series as happening first and the right-hand picture as happening last. In most respects, the deaf children's linguistic performance resembled that of much younger hearing children. Two major results were that deaf children generally used a sequence of simple sentences to describe the events shown in a picture series, and responded to most multiple-clause sentences presented as though the events being described had occurred in the order they were mentioned.

Auditory Perception↗