Which variant of primary progressive aphasia features dysnomia, effortful speech, impaired repetition and sentence comprehension, with preserved single-word repetition?

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Multiple Choice

Which variant of primary progressive aphasia features dysnomia, effortful speech, impaired repetition and sentence comprehension, with preserved single-word repetition?

This pattern fits the logopenic variant of primary progressive aphasia. In this form, word-finding problems make speech slow and hesitant (dysnomia) and repetition of longer phrases or sentences is impaired because of a deficit in phonological working memory. Yet single-word repetition is typically preserved, since short items rely on simpler phonological storage that remains intact early on. Sentence comprehension can be affected because longer sentences place greater demands on phonological processing and memory. This combination—dysnomia, effortful speech, impaired repetition and sentence comprehension, with preserved single-word repetition—is characteristic of the logopenic variant and helps distinguish it from other PPA types, which show different patterns of naming, comprehension, and speech production.

This pattern fits the logopenic variant of primary progressive aphasia. In this form, word-finding problems make speech slow and hesitant (dysnomia) and repetition of longer phrases or sentences is impaired because of a deficit in phonological working memory. Yet single-word repetition is typically preserved, since short items rely on simpler phonological storage that remains intact early on. Sentence comprehension can be affected because longer sentences place greater demands on phonological processing and memory. This combination—dysnomia, effortful speech, impaired repetition and sentence comprehension, with preserved single-word repetition—is characteristic of the logopenic variant and helps distinguish it from other PPA types, which show different patterns of naming, comprehension, and speech production.

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