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Abstract
Transcripts of interviews with 117 adults undergoing examination for possible Alzheimer's disease were analyzed. the length, fluency, semantic content, and syntactic complexity of the transcripts varied with the severity of dementia. Although there was a marked increase in the production of sentence fragments with dementia severity, approximately 60% of the utterances produced by the mildly demented adults were grammatically well formed, compared with 69% of those produced by the nondemented adults. the grammatical utterances of the mildly demented adults were shorter and syntactically simpler than those produced by the nondemented adults. These results add to the growing literature suggesting a relative preservation of some psycholinguistic functions in demented individuals.