Where does the "ἀφημί" (speechless) in nfvPPA come from?: a case study on phonological retrieval and the potent effect of moraic assistance.
Tomoyuki Kojima
✦ AI-curated · Sources linked
Case in brief
A 65-year-old Japanese male with non-fluent/agrammatic variant primary progressive aphasia (nfvPPA) presented with severe speechlessness. Through a cross-modal experiment utilizing the Kana writing system, his speech production was assessed across various conditions. Notably, character-by-character Kana reading significantly improved his speech intelligibility, revealing underlying phonemic-level retrieval deficits that contributed to his condition.
What made this case unusual
The use of the Kana writing system to facilitate speech production in a patient with advanced nfvPPA is a distinctive aspect of this case, showcasing the effectiveness of moraic assistance.
Diagnostic / clinical pearl
Clinicians should consider utilizing orthographic systems, such as Kana, to enhance speech production in patients with nfvPPA, particularly when phonemic-level deficits are suspected.
Why it matters
This case underscores the importance of tailored assessment strategies in advanced aphasia, highlighting how specific linguistic features can aid in diagnosing and managing speech impairments.