Analyzes different strategies used by speakers/writers and hearers/readers to deal with underspecified coherence relations, phrased in terms of Horn's (1984) Q- and R- principle. Presents data from the psycholinguistic literature on the interpretation of underspecified relations and data from language-acquisition research suggesting that both…

Reports on linguistic features and patterns of coherence in mild and advanced levels of discourse of Alzheimer's patients. Argues and demonstrates that, as the disease progresses, patients' discourse becomes "pregrammatical"--vocabulary-driven and reliant on meaning-based discourse features rather than grammatically based features.…

Describes three experiments that explored the informational roles of emphasis and word order in active sentences. The results, when considered together, strongly implicate recentness, but not emphasis, as an important means of linking temporally contiguous sentences. (HTH)

The results of a study are presented in which 40 preschool children were given 5 tasks including a test of story comprehension (listening and responding to questions) and a test of pragmatic awareness divided into 4 parts (listening to a story, retelling it, judging what was strange in it, and explaining the consequences of the "strange" event).…

In order to build robust natural language processing systems that can detect and recover from miscommunication, the investigation of how people communicate and how they recover from problems in communication described in this artificial intelligence report focused on reference problems which a listener may have in determining what or whom a…