Narrative discourse in Persian-speaking patients with mild Alzheimer’s disease

Farivar, Masumeh; Ghayoumi-Anaraki, Zahra; Derakhshandeh, Fatemeh; Baharloei, Nahid; Poorjavad, Marziyeh

doi:10.1590/1980-57642018dn13-020012

Dement. neuropsychol.

2019

DOI: 10.1590/1980-57642018dn13-020012

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Narrative discourse in Persian-speaking patients with mild Alzheimer’s disease

Masumeh Farivar

Zahra Ghayoumi-Anaraki

Fatemeh Derakhshandeh

et al.

Abstract: ABSTRACT. Despite the significance of discourse impairments, they have not been thoroughly investigated in Persian-speaking patients with Alzheimer’s disease (AD). Objective: the aim of this study was to perform a multi-level analysis of narrative discourse in Persian-speaking patients with mild AD and to compare them with healthy elderly. Methods: the study included 14 older adults with mild AD and a matched group of 14 healthy elderly. Using a storytelling task based on serial pictures, both macro- and mic… Show more

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“…This process can lead to a downward spiral,underscoring the importance of identifying the change in pattern of language during adulthood and old age. 21 Also, since disorders such as dementia, right hemisphere damage, aphasia, Alzheimer's disease and other neurologic disorders compromise discourse, [22][23][24][25] discourse changes during normal aging need to be reviewed. This could help clinicians screen for these disorders in older adults.…”

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confidence: 99%

Discourse in aging: Narrative and Persuasive

Babaei

Ghayoumi-Anaraki

Mahmoodi-Bakhtiari

2019

Dement. neuropsychol.

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The growth in the elderly population has posed a social, economic and health challenge for the twenty-first century. Objective: Aging is often characterized by changes in cognitive functions which affect the receptive and expressive capabilities of language. Since language plays a significant role in human life, we evaluate the existence of age-related differences in narrative and persuasive discourses. Methods: The narrative discourse of 91 adults and persuasive discourse of 92 adults,aged from 19 to 75 years and stratified into four age groups,were examined. Results: There was a statistically significant difference between coherence in the elderly group and each of the other three age groups for both types of discourse. There was also a significant difference for the cohesion variable between the elderly and the first age group for narrative discourse only. Conclusion: The results of this study demonstrate that discourse is influenced by aging and type (genre) of discourse task. Therefore, it is essential for clinicians to take into account the linguistic needs of elderly and incorporate these into their clinical programs. Also, this finding can help clinicians to distinguish between discourses of normal aging and other neurologic disorders (for example dementia, right hemisphere damage, aphasia).

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confidence: 99%

Discourse in aging: Narrative and Persuasive

Babaei

Ghayoumi-Anaraki

Mahmoodi-Bakhtiari

2019

Dement. neuropsychol.

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Universal and Language-Specific Connected Speech Characteristics of Bilingual Speakers With Alzheimer's Disease: Insights From Case Studies of Structurally Distinct Languages

Dutta,

Mello,

Cheng

et al. 2024

J Speech Lang Hear Res

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Purpose: Connected speech analysis has been effectively utilized for the diagnosis and disease monitoring of individuals with Alzheimer's disease (AD). Existing research has been conducted mostly in monolingual English speakers with a noticeable lack of evidence from bilinguals and non-English speakers, particularly in non-European languages. Using a case study approach, we characterized connected speech profiles of two Bengali–English bilingual speakers with AD to determine the universal features of language impairments in both languages, identify language-specific differences between the languages, and explore language impairment characteristics of the participants with AD in relation to their bilingual language experience. Method: Participants included two Bengali–English bilingual speakers with AD and a group of age-, gender-, education-, and language-matched neurologically healthy controls. Connected speech samples were collected in first language (L1; Bengali) and second language (L2; English) using a novel storytelling task (i.e., Frog, Where Are You? ). These samples were analyzed using an augmented quantitative production analysis and correct information unit analyses for productivity, fluency, syntactic and morphosyntactic features, and lexical and semantic characteristics. Results: Irrespective of the language, AD impacted speech productivity (speech rate and fluency) and semantic characteristics in both languages. Unique language-specific differences were noted on syntactic measures (reduced sentence length in Bengali), lexical distribution (fewer pronouns and absence of reduplication in Bengali), and inflectional properties (no difficulties with noun or verb inflections in Bengali). Among the two participants with AD, the individual who showed lower proficiency and usage in L2 (English) demonstrated reduced syntactic complexity and morphosyntactic richness in English. Conclusions: Evidence from these case studies suggests that language impairment features in AD are not universal across languages, particularly in comparison to impairments typically associated with language breakdowns in English. This study underscores the importance of establishing connected speech profiles in AD for non–English-speaking populations, especially for structurally different languages. This would in turn lead to the development of language-specific markers that can facilitate early detection of language deterioration and aid in improving diagnosis of AD in individuals belonging to underserved linguistically diverse populations. Supplemental Material: https://doi.org/10.23641/asha.25412458

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Narrative discourse in Persian-speaking patients with mild Alzheimer’s disease

Cited by 2 publications

References 22 publications

Discourse in aging: Narrative and Persuasive

Discourse in aging: Narrative and Persuasive

Universal and Language-Specific Connected Speech Characteristics of Bilingual Speakers With Alzheimer's Disease: Insights From Case Studies of Structurally Distinct Languages

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