[HTML][HTML] Speech disturbances in schizophrenia: Assessing cross-linguistic generalizability of NLP automated measures of coherence

A Parola, JM Lin, A Simonsen, V Bliksted, Y Zhou… - Schizophrenia …, 2023 - Elsevier
Introduction Language disorders–disorganized and incoherent speech in particular-are
distinctive features of schizophrenia. Natural language processing (NLP) offers automated …

Understanding language abnormalities and associated clinical markers in psychosis: the promise of computational methods

K Hitczenko, VA Mittal, M Goldrick - Schizophrenia Bulletin, 2021 - academic.oup.com
The language and speech of individuals with psychosis reflect their impairments in cognition
and motor processes. These language disturbances can be used to identify individuals with …

Do models of mental health based on social media data generalize?

K Harrigian, C Aguirre, M Dredze - Findings of the association for …, 2020 - aclanthology.org
Proxy-based methods for annotating mental health status in social media have grown
popular in computational research due to their ability to gather large training samples …

Racial and ethnic biases in computational approaches to psychopathology

K Hitczenko, HR Cowan, M Goldrick… - Schizophrenia …, 2022 - academic.oup.com
Computational methods are a promising approach for the study, assessment, and treatment
of mental illness. 1–4 Natural language processing, automatic speech recognition, and …

Validation of natural language processing methods capturing semantic incoherence in the speech of patients with non-affective psychosis

SA Just, AL Bröcker, G Ryazanskaya, I Nenchev… - Frontiers in …, 2023 - frontiersin.org
Background Impairments in speech production are a core symptom of non-affective
psychosis (NAP). While traditional clinical ratings of patients' speech involve a subjective …

Modeling incoherent discourse in non-affective psychosis

SA Just, E Haegert, N Kořánová, AL Bröcker… - Frontiers in …, 2020 - frontiersin.org
Background Computational linguistic methodology allows quantification of speech
abnormalities in non-affective psychosis. For this patient group, incoherent speech has long …

[HTML][HTML] Assessing coherence through linguistic connectives: Analysis of speech in patients with schizophrenia-spectrum disorders

H Corona-Hernández, JN de Boer, SG Brederoo… - Schizophrenia …, 2023 - Elsevier
Background Incoherent speech is a core diagnostic symptom of schizophrenia-spectrum
disorders (SSD) that can be studied using semantic space models. Since linguistic …

Automated coherence measures fail to index thought disorder in individuals at risk for psychosis

K Hitczenko, H Cowan, V Mittal… - Proceedings of the …, 2021 - aclanthology.org
Abstract Thought disorder–linguistic disturbances including incoherence and derailment of
topic–is seen in individuals both with and at risk for psychosis. Methods from computational …

[HTML][HTML] Navigating the semantic space: Unraveling the structure of meaning in psychosis using different computational language models

R He, C Palominos, H Zhang, MF Alonso-Sánchez… - Psychiatry …, 2024 - Elsevier
Speech in psychosis has long been ascribed as involving 'loosening of associations'. We
pursued the aim to elucidate its underlying cognitive mechanisms by analysing picture …

Reduced speech coherence in psychosis-related social media forum posts

L Plank, A Zlomuzica - Schizophrenia, 2024 - nature.com
The extraction of linguistic markers from social media posts, which are indicative of the onset
and course of mental disorders, offers great potential for mental healthcare. In the present …