Journal of Siberian Federal University. Humanities & Social Sciences / Speech Impairment Level Distribution in Alzheimer’s Disease

Full text (.pdf)
Issue
Journal of Siberian Federal University. Humanities & Social Sciences. 2026 19 (3)
Authors
Nikolaeva, Elena V.; Popova, Yana V.; Burmakina, Natalia G.; Abramov, Vladislav G.; Poliakov, Iurii I.
Contact information
Nikolaeva, Elena V.: Saint Petersburg State University (Saint Petersburg, Russian Federation); ORCID: 0009-0005-9978-606X; Popova, Yana V.: Siberian Federal University (Krasnoyarsk, Russian Federation);ORCID: 0000-0001-9435-8617; Burmakina, Natalia G. : Siberian Federal University (Krasnoyarsk, Russian Federation); ; ORCID: 0000-0003-2102-4258; Abramov, Vladislav G.: Federal Siberian Research Clinical Center under FMBA of Russia (Krasnoyarsk, Russian Federation); ORCID: 0000-0002-4063-4951; Poliakov, Iurii I. : Pavlov Institute of Physiology, Russian Academy of Sciences, First Pavlov State Medical University of St. Petersburg, North- Western State Medical University named after I. I. Mechnikov (Saint Petersburg, Russian Federation); ORCID: 0000-0003-1664-2107
Keywords
Alzheimer’s disease; speech impairments; speech disorders; aphasia; neurodegenerative diseases; neurolinguistics; speech analysis; linguistic biomarkers
Abstract

This study aims to classify speech impairments in English- and German-speaking patients with Alzheimer’s disease by language level and to determine their frequency. The main objective of the work is to identify patterns of distribution of speech impairments across language levels (phonetic, morphological, lexical, and syntactical) and to test the hypothesis about the predominance of the amnestic type of aphasia in Alzheimer’s disease. The results showed that, in patients of both language groups, lexical impairments were most common, followed by phonetic, syntactic, and morphological ones. This pattern indicates a predominance of the amnestic type of aphasia and confirms the need to classify it as a distinct type with its own symptom complex. The obtained data allow us to clarify the specifics of speech impairments in Alzheimer’s disease and can be used to develop methods for diagnosing and treating aphasic impairments

Pages
595–604
EDN
BONPXC
Paper at repository of SibFU
https://elib.sfu-kras.ru/handle/2311/158219

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