<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The development of artificial intelligence tools has seen an enormous growth recently. Linguistic artificial intelligence tools are being successfully applied in the field of speech analysis and discourse. In our study, we used automatic NLP tools to detect differences in picture description in the discourse of people diagnosed with Alzheimer’s disease (AD), Mild Cognitive Impairment (MCI) and healthy people. A measure of lexical diversity was used to compare discourse complexity. Transcripts of recordings of the probands within the EWA project were used in the study. From the multiple comparisons, we found that there is a statistically significant difference between healthy people and people suffering from MCI and AD. Our results indicate that healthy people have more lexical diversity than people suffering from MCI and AD – a more diverse vocabulary in spontaneous speech, in our case, when describing a picture.</p>
</abstract>

The development of artificial intelligence tools has seen an enormous growth recently. Linguistic artificial intelligence tools are being successfully applied in the field of speech analysis and discourse. In our study, we used automatic NLP tools to detect differences in picture description in the discourse of people diagnosed with Alzheimer’s disease (AD), Mild Cognitive Impairment (MCI) and healthy people. A measure of lexical diversity was used to compare discourse complexity. Transcripts of recordings of the probands within the EWA project were used in the study. From the multiple comparisons, we found that there is a statistically significant difference between healthy people and people suffering from MCI and AD. Our results indicate that healthy people have more lexical diversity than people suffering from MCI and AD – a more diverse vocabulary in spontaneous speech, in our case, when describing a picture.

Lexical Diversity and Language Impairment

Department of Informatics, Faculty of Natural Sciences and Informatics

Constantine the Philosopher University in Nitra

Journal of Linguistics/Jazykovedný casopis

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Lexical Diversity and Language Impairment"}

The development of artificial intelligence tools has seen an enormous growth recently. Linguistic artificial intelligence tools are being successfully applied...

Lexical Diversity and Language Impairment

Published Online: Dec 25, 2023

Page range: 301 - 309

DOI: https://doi.org/10.2478/jazcas-2023-0047

Keywords
natural language processing, Alzheimer’s disease, spontaneous speech, picture description, lexical diversity

© 2023 Natalia Časnochová Zozuk, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Lexical Diversity and Language Impairment

Published Online: Dec 25, 2023

Page range: 301 - 309

DOI: https://doi.org/10.2478/jazcas-2023-0047

Keywordsnatural language processing, Alzheimer’s disease, spontaneous speech, picture description, lexical diversity

© 2023 Natalia Časnochová Zozuk, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
natural language processing, Alzheimer’s disease, spontaneous speech, picture description, lexical diversity