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Phonetic clustering characteristics in verbal fluency: A potential marker for differentiating subjective cognitive decline from mild cognitive impairment
Applied Neuropsychology: Adult. 2026. P. 1–11.
Objective
Semantic and phonemic verbal fluency (VF) tasks are widely used to assess older adults’ cognition in clinical practice. Typical scoring only analyses the total number of correct words produced. We investigated whether differentiation between individuals with subjective cognitive decline (SCD) versus mild cognitive impairment (MCI), which is often challenging, could be enhanced by also assessing linguistic (clustering) characteristics of VF responses.
Method
In this cross-sectional study, we retrospectively analyzed 426 VF responses from 127 community-dwelling older adults with SCD or MCI who underwent cognitive assessment in a memory clinic setting. Using mixed-effect models, we tested whether including linguistic (clustering) characteristics in addition to the total number of correct words enhanced the prediction of the Montreal Cognitive Assessment (MoCA) score and clinical group (SCD or MCI), when adjusted for age, sex, education level, and repeated measures alongside with task type.
Results
A lower mean phonetic cluster size in both SVF and PVF was associated with a lower MoCA score. Adding clustering characteristics to the model of SVF (although not PVF) significantly improved classification into SCD versus MCI, compared to the model with the number of correct words alone.
Conclusions
Retrieving sequences of words based on their phonetic proximity while performing not only PVF but also SVF tasks pointed to more preserved cognitive functioning and appeared vulnerable to early cognitive changes. Linguistic analysis of VF performance can capture subtle cognitive reorganization missed by scoring of the total number of correct words only and may enhance early dementia-risk profiling.
Language:
English
Logvinova N., Russian linguistics 2026 Vol. 50 Article 11
This paper presents the first in-depth corpus-based study of a previously overlooked syntactic variation in Russian: the competition between juxtapositional (Nominative) and possessive-like (Genitive) encoding of the second noun (the term) in specificational constructions (e.g., ponjatie čest’ (notion.NOM honor.NOM) vs. ponjatie česti (notion.NOMhonor.GEN) ‘the notion of honor’). While typological research has established cross-linguistic preferences for one encoding strategy over another, intralinguistic variation ...
Added: May 18, 2026
Зелинская Ю. Ю., Когнитивные исследования языка 2025 № 4(65) С. 180–186
The article focuses on the study of the onym as a cognitive stimulus that facilitates the decoding of the language of urban space across two ethnic groups. The research is grounded in the analysis of results from an onomastic associative experiment, aimed at identifying the dominant types of associative responses to anthroponyms, oikodonyms, hodonyms, and ...
Added: May 16, 2026
Starchenko A., Toldova S., Типология морфосинтаксических параметров 2023 Т. 6 № 1 С. 130–148
The study focuses on a previously unrecorded model of split agreement in the mirative paradigm in Kazym Khanty. Split agreement is found when comparing active and passive mirative constructions, as well as
in a limited set of uses of non-finite forms. In the passive voice, unlike the active voice, the 3rd person is unmarked and the ...
Added: May 14, 2026
Fedorov D., Jezikoslovni Zapiski 2026 Т. 32 № 1 С. 23–52
This article describes verbs denoting motion of liquid and dry substances in Slavic languages. The research explores how Slavic languages lexicalize different situations within the semantic field of substance motion and identifies the parameters that drive this lexicalization (e.g., type of substance, intensity and quantization of flow, and causation). Adjacent grammatical phenomena such as argument ...
Added: May 13, 2026
Gabrielova E., Максименко О. И., Социальные и гуманитарные науки на Дальнем Востоке 2026 Т. 23 № 1 С. 241–249
The article presents a diachronic analysis of the representation of women in Russian advertising, based on agitation posters from 1917-1990 and social and motivational advertising materials from 2000-2020. The aim of the study is to identify the evolution of verbal and visual strategies for constructing the image of women in the changing socio-political and cultural ...
Added: May 13, 2026
Velichkov B., Nikolova-Koleva I., Slavcheva M., Shumen: INCOMA Ltd, 2025.
The RANLP 2025 Student Research Workshop (RANLPStud’2025) is a special track of the established international conference Recent Advances in Natural Language Processing (RANLP’2025).
The RANLPStud is being organised for the 9th time and this year is running in parallel with the other tracks of the main RANLP 2025 conference. The target of RANLPStud’25 is to be a ...
Added: May 12, 2026
Кульков А. Н., Tsvetkova M. V., Вестник Томского государственного университета. Филология 2026 № 100 С. 158–173
Впервые делается попытка рассмотреть особенности фанфикшн как акта продуктивной рецепции, возникшего на основе цикла романов Терри Пратчетта о Плоском мире в России. Проведенный анализ показывает, что прежде всего авторы фанфиков стремятся передать стилистику и комическое начало оригинального цикла Пратчетта, вне зависимости от жанра и формата создаваемых ими произведений. Фикрайтеры наиболее часто обращаются к таким форматам, ...
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Pershkina A., М.: Альпина нон-фикшн, 2026.
Филолог Анастасия Першкина рассказывает о том, как писатель создавал свой мир, кем его населил, какие законы установил и почему этот мир так ярко действует на нас. Кроме того, вы узнаете, кто помогал Федору Михайловичу работать, как писатель связывал между собой произведения, что думали о его текстах современники и что же такое достоевщина. ...
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Gridneva E., Vestnik Tomskogo Gosudarstvennogo Universiteta, Filologiya 2026 No. 100 P. 38–52
This study investigates mixed languages, with a specific focus on their lexical characteristics. It proposes and substantiates the hypothesis that the degree of lexical mixing in such languages — reflected in the prevalence of doublets and the distribution of vocabulary between source languages — is linked to the specific pattern of their emergence, rather than ...
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Керимов Р. Э., Новое прошлое 2026 № 1 С. 148–162
The arrest of East German writer and publishing director Günter Hofé at the 1963 Frankfurt Book Fair became a unique episode of ideological confrontation between East and West Germany. Hofé is primarily known for his documentary-fiction trilogy about World War II, in which he actively participated as a Wehrmacht soldier. The analysis of the writer’s ...
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Максимов И. В., Новый филологический вестник 2025 Т. 73 № 2 С. 187–196
The majority of studies on the metrical aspects of Olga Sedakova’s poetry focus on the formal elements of versification, rarely exploring the substantive possibilities of the chosen metres. This paper fills this gap by analyzing the unified narrative of the four-foot amphibrach, tracing its development in Russian poetry from V.A. Zhukovsky to O.A. Sedakova. At ...
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Паникратова Я. Р., Королькова О. А., Пчелинцева М. Е. et al., Национальный психологический журнал 2026 Т. 21 № 2 С. 144–158
Background.
Working memory (WM) declines with ageing. Despite a large body of relevant studies, changes in verbal and nonverbal WM, relevant specifically for healthy aging, and their brain correlates, remain understudied.Objectives. Our study aimed to analyse changes in maintenance and updating of verbal and nonverbal material in WM in healthy ageing (i.e., the absence of cognitive ...
Added: April 2, 2026
N. S. Cherkasov, Tomyshev A. S., Lebedeva I. S. et al., Neuroscience and Behavioral Physiology 2025 Vol. 55 No. 9 P. 1681–1687
Objective. To identify the structural features of the brain in elderly patients with amnestic mild cognitive impairment (aMCI) and the correlations of these features with mild behavioral impairment. Materials and methods. Fifty-three patients with aMCI (age 73.0 ± 8.5 years, nine men) and 34 mentally healthy subjects (66.8 ± 9.6 years, four men) were examined. Cognitive status was ...
Added: December 25, 2025
Dudkovskaia Anastasiia, / Series 005140 "Biorxiv". 2025.
The success of clinical trials of longevity drugs relies heavily on identifying integrative health and aging biomarkers, such as biological age. Epigenetic aging clocks predict the biological age of an individual using their DNA methylation profiles, commonly retrieved from blood samples. However, there is no standardized methodology to validate and compare epigenetic clock models as ...
Added: July 18, 2025
Cherkasov N., Томышев А. С., Лебедева И. С. et al., Журнал неврологии и психиатрии им. С.С. Корсакова 2025 Т. 125 № 6 С. 112–119
Objective. To determine structural brain features in elderly patients with amnestic mild cognitive impairment (aMCI) and to assess correlations between these features and mild behavioral impairment.
Materials and methods. The study included 53 patients with aMCI (age 73.0±8.5 years, 9 males) and 34 healthy controls (66.8±9.6 years, 4 males). Cognitive status was assessed using the Montreal ...
Added: July 1, 2025
Бальба Д. П., Khomenko A., Isakov D., В кн.: Первый Евразийский конгресс лингвистов. Москва, 9–13 декабря 2024: Тезисы докладов.: М.: Институт языкознания РАН, 2025. С. 276–277.
The article presents a study on the automatic clustering of lexicon for diagnosing aphasia in the Russian language. Using verbal fluency test data from 162 participants (both healthy individuals and those with aphasia), the authors applied an algorithm based on FastText distributional-semantic vectors and a clustering model using cosine similarity. The results revealed statistically significant ...
Added: March 12, 2025
Khomenko A., Бальба Д. П., Isakov D., RHEMA. РЕМА 2024 № 3 С. 87–111
In this article an algorithm of automatic vocabulary clustering is implemen- ted to solve the problem of creating a computer model for aphasia diagnostics based on the results of the verbal fluency test. This test involves generating the maximum number of words that fit a specified category within a given time limit. When analyzing test ...
Added: March 12, 2025
Maria Koriakina, Agranovich O., Ioannis Ntoumanis et al., Frontiers in Human Neuroscience 2025 Vol. 19 Article 1499521
Introduction: The relationship between motor and cognitive skills is a pivotal issue in neuroscience, with embodied cognition theory asserting that bodily actions and experiences play a vital role in cognitive processing. This relevance is particularly noted in children with severe motor disorders (MD) from birth, highlighting a need to explore how these disorders may impede cognitive ...
Added: February 8, 2025
Cherkasov N., Kolykhalov I., Neuroscience and Behavioral Physiology 2024 Vol. 54 No. 6 P. 845–851
Objectives. To assess the prevalence of mild behavioral impairment (MBI) syndrome in older people with mild cognitive impairment (MCI), to clarify the diagnostic criteria, and to characterize the neuropsychiatric symptoms identified.
Materials and methods. The study included 63 patients over 50 years of age (median 72 [68; 77] years) with MCI syndrome who underwent psychopathological and psychometric examination ...
Added: October 28, 2024
Iarskaia-Smirnova E. R., Ярская-Смирнова В. Н., Kononenko R. V., Социологические исследования 2024 № 3 С. 71–82
The article examines the features of the social capital of elderly volunteers through the prism of the Bourdieusian approach: the inequality of resources is shown and ways of converting various types of capital into the field of volunteering are presented. The temporal aspects of the formation of a volunteer's habitus are revealed. The research makes ...
Added: May 4, 2024
Cherkasov N., Колыхалов И. В., Журнал неврологии и психиатрии им. С.С. Корсакова 2024 Т. 124 № 4-2 С. 49–55
Objective. To assess the prevalence of mild behavioral impairment (MBI ) in elderly individuals with mild cognitive impairment (MCI ), refine diagnostic criteria, and characterize the identified neuropsychiatric symptoms.
Material and Methods. Sixty-three individuals over 50 years of age (median 72 [68; 77]) with MCI underwent psychiatric and psychometric assessments using clinical and psychopathological methods and ...
Added: May 3, 2024
Кирьянова А. Ю., Cherkasov N., Божко О. В. et al., Журнал неврологии и психиатрии им. С.С. Корсакова 2023 Т. 123 № 11 С. 105–110
ЦЕЛЬ ИССЛЕДОВАНИЯ
Рассмотреть потенциал применения МР-спектроскопии в диагностике когнитивных расстройств, которые не достигают уровня деменции, у пожилых людей.
МАТЕРИАЛ И МЕТОДЫ
Шестидесяти пяти лицам пожилого возраста (37 — с мягким когнитивным снижением (MCI — Mild Cognitive Impairment) — по критериям Американской альцгеймеровской ассоциации, средний возраст 67,2 года; 28 — контроль, средний возраст 65,2 года) проведена МР-спектроскопия (3,0 Тл) в зоне задней поясной коры, на основе интенсивностей ее сигналов рассчитаны абсолютные концентрации метаболитов: суммарный сигнал ...
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Elena V. Selezneva, Oksana V. Sinyavskaya, Population and Economics 2024 Vol. 8 No. 1 P. 52–76
Within the framework of the life trajectory paradigm, factors of poor health in older age may include ethnicity, as well as migration history of an individual. Estonia, with a large share of the Russian population, is a good example to analyze the impact of migration and changes in the ethnic environment on health throughout the ...
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Krivonosov M., Nazarenko T., Bacalini M. G. et al., Chaos, Solitons and Fractals 2022 Vol. 165 Article 112863
Despite the fact that the cause of Down Syndrome (DS) is well established, the underlying molecular mechanisms that contribute to the syndrome and the phenotype of accelerated aging remain largely unknown. DNA methylation profiles are largely altered in DS, but it remains unclear how different methylation regions and probes are structured into a network of interactions. We ...
Added: March 12, 2024