Linguistic markers of schizophrenia: a case study of Robert Walser

Ivan Nenchev; Tatjana Scheffler; Marie de la Fuente; Heiner Stuke; Benjamin Wilck; Sandra Anna Just; Christiane Montag

Linguistic markers of schizophrenia: a case study of Robert Walser

Ivan Nenchev
, Tatjana Scheffler
, Marie de la Fuente
, Heiner Stuke
, Benjamin Wilck
, Sandra Anna Just
, Christiane Montag

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Scopus citations

Abstract

We present a study of the linguistic output of the German-speaking writer Robert Walser using NLP. We curated a corpus comprising texts written by Walser during periods of sound health, and writings from the year before his hospitalization, and writings from the first year of his stay in a psychiatric clinic, all likely attributed to schizophrenia. Within this corpus, we identified and analyzed a total of 20 linguistic markers encompassing established metrics for lexical diversity, semantic similarity, and syntactic complexity. Additionally, we explored lesser-known markers such as lexical innovation, concreteness, and imageability. Notably, we introduced two additional markers for phonological similarity for the first time within this context. Our findings reveal significant temporal dynamics in these markers closely associated with Walser’s contemporaneous diagnosis of schizophrenia. Furthermore, we investigated the relationship between these markers, leveraging them for classification of the schizophrenic episode.

Original language	English
Title of host publication	CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop
Editors	Andrew Yates, Bart Desmet, Emily Prud�hommeaux, Ayah Zirikly, Steven Bedrick, Sean MacAvaney, Kfir Bar, Molly Ireland, Yaakov Ophir, Yaakov Ophir
Publisher	Association for Computational Linguistics (ACL)
Pages	41-60
Number of pages	20
ISBN (Electronic)	9798891760806
State	Published - 2024
Event	9th Workshop on Computational Linguistics and Clinical Psychology, CLPsych 2024 - St. Julian's, Malta Duration: 21 Mar 2024 → …

Publication series

Name	CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop

Conference

Conference	9th Workshop on Computational Linguistics and Clinical Psychology, CLPsych 2024
Country/Territory	Malta
City	St. Julian's
Period	21/03/24 → …

Bibliographical note

Publisher Copyright:
©2024 Association for Computational Linguistics.

Cite this

Nenchev, I., Scheffler, T., de la Fuente, M., Stuke, H., Wilck, B., Just, S. A., & Montag, C. (2024). Linguistic markers of schizophrenia: a case study of Robert Walser. In A. Yates, B. Desmet, E. Prud�hommeaux, A. Zirikly, S. Bedrick, S. MacAvaney, K. Bar, M. Ireland, Y. Ophir, & Y. Ophir (Eds.), CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop (pp. 41-60). (CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop). Association for Computational Linguistics (ACL).

Nenchev, Ivan ; Scheffler, Tatjana ; de la Fuente, Marie et al. / Linguistic markers of schizophrenia : a case study of Robert Walser. CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop. editor / Andrew Yates ; Bart Desmet ; Emily Prud�hommeaux ; Ayah Zirikly ; Steven Bedrick ; Sean MacAvaney ; Kfir Bar ; Molly Ireland ; Yaakov Ophir ; Yaakov Ophir. Association for Computational Linguistics (ACL), 2024. pp. 41-60 (CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop).

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abstract = "We present a study of the linguistic output of the German-speaking writer Robert Walser using NLP. We curated a corpus comprising texts written by Walser during periods of sound health, and writings from the year before his hospitalization, and writings from the first year of his stay in a psychiatric clinic, all likely attributed to schizophrenia. Within this corpus, we identified and analyzed a total of 20 linguistic markers encompassing established metrics for lexical diversity, semantic similarity, and syntactic complexity. Additionally, we explored lesser-known markers such as lexical innovation, concreteness, and imageability. Notably, we introduced two additional markers for phonological similarity for the first time within this context. Our findings reveal significant temporal dynamics in these markers closely associated with Walser{\textquoteright}s contemporaneous diagnosis of schizophrenia. Furthermore, we investigated the relationship between these markers, leveraging them for classification of the schizophrenic episode.",

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Nenchev, I, Scheffler, T, de la Fuente, M, Stuke, H, Wilck, B, Just, SA & Montag, C 2024, Linguistic markers of schizophrenia: a case study of Robert Walser. in A Yates, B Desmet, E Prud�hommeaux, A Zirikly, S Bedrick, S MacAvaney, K Bar, M Ireland, Y Ophir & Y Ophir (eds), CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop. CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop, Association for Computational Linguistics (ACL), pp. 41-60, 9th Workshop on Computational Linguistics and Clinical Psychology, CLPsych 2024, St. Julian's, Malta, 21/03/24.

Linguistic markers of schizophrenia: a case study of Robert Walser. / Nenchev, Ivan; Scheffler, Tatjana; de la Fuente, Marie et al.
CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop. ed. / Andrew Yates; Bart Desmet; Emily Prud�hommeaux; Ayah Zirikly; Steven Bedrick; Sean MacAvaney; Kfir Bar; Molly Ireland; Yaakov Ophir; Yaakov Ophir. Association for Computational Linguistics (ACL), 2024. p. 41-60 (CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Wilck, Benjamin

AU - Just, Sandra Anna

AU - Montag, Christiane

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Nenchev I, Scheffler T, de la Fuente M, Stuke H, Wilck B, Just SA et al. Linguistic markers of schizophrenia: a case study of Robert Walser. In Yates A, Desmet B, Prud�hommeaux E, Zirikly A, Bedrick S, MacAvaney S, Bar K, Ireland M, Ophir Y, Ophir Y, editors, CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop. Association for Computational Linguistics (ACL). 2024. p. 41-60. (CLPsych 2024 - 9th Workshop on Computational Linguistics and Clinical Psychology, Proceedings of the Workshop).

Linguistic markers of schizophrenia: a case study of Robert Walser

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