Speech as a graph: developmental perspectives on the organization of spoken language

NB Mota, J Weissheimer, I Finger, M Ribeiro… - Biological psychiatry …, 2023 - Elsevier
Abstract Language has been used as a privileged window to investigate mental processes.
More recently, descriptions of psychopathological symptoms have been analyzed with the …

A Brazilian bottom-up strategy to address mental health in a diverse population over a large territorial area–an inspiration for the use of digital mental health

NB Mota, J Pimenta, M Tavares, L Palmeira, AA Loch… - Psychiatry …, 2022 - Elsevier
Brazil is a continental country with a history of massive immigration waves from around the
world. Consequently, the Brazilian population is rich in ethnic, cultural, and religious …

Happy thoughts: What computational assessment of connectedness and emotional words can inform about early stages of psychosis

NB Mota, M Ribeiro, BLC Malcorra, JP Atídio… - Schizophrenia …, 2023 - Elsevier
In recent years, different natural language processing tools measured aspects related to
narratives' structural, semantic, and emotional content. However, there is a need to better …

Reading and writing habits compensate for aging effects in speech connectedness

BLC Malcorra, NB Mota, J Weissheimer… - npj Science of …, 2022 - nature.com
We investigate the association of short-and long-range recurrences (speech
connectedness) with age, education, and reading and writing habits (RWH) in typical aging …

Cognitive decline assessment using semantic linguistic content and transformer deep learning architecture

R Pl, G Ks - … Journal of Language & Communication Disorders, 2024 - Wiley Online Library
Background Dementia is a cognitive decline that leads to the progressive deterioration of an
individual's ability to perform daily activities independently. As a result, a considerable …

Comparing global and local semantic coherence of spontaneous speech in persons with Alzheimer's disease and healthy controls

E Burke, J Gunstad, P Hamrick - Applied Corpus Linguistics, 2023 - Elsevier
There is growing evidence that corpus-based computational tools are useful in identifying
changes in speech that appear to accompany cognitive decline in Alzheimer's disease (AD) …

Understanding mental health through computers: An introduction to computational psychiatry

JC Castro Martínez, H Santamaría-García - Frontiers in Psychiatry, 2023 - frontiersin.org
Computational psychiatry recently established itself as a new tool in the study of mental
disorders and problems. Integration of different levels of analysis is creating computational …

LSD and language: Decreased structural connectivity, increased semantic similarity, changed vocabulary in healthy individuals

I Wießner, M Falchi, D Daldegan-Bueno… - European …, 2023 - Elsevier
Abstract Language has been explored as a window into the mind. Psychedelics, known to
affect perception and cognition, seem to change language, but a systematic, time-dependent …

Who does what to whom? graph representations of action-predication in speech relate to psychopathological dimensions of psychosis

AH Nikzad, Y Cong, S Berretta, K Hänsel, S Cho… - Schizophrenia, 2022 - nature.com
Graphical representations of speech generate powerful computational measures related to
psychosis. Previous studies have mostly relied on structural relations between words as the …

[HTML][HTML] Predicting scores on the mini-mental state examination (MMSE) from spontaneous speech

AM Bueno-Cayo, M del Rio Carmona… - Behavioral …, 2022 - mdpi.com
The aim of this study was to examine the relationship between language components, such
as lexical density, length, and content in terms of “Time, Space and Action”, with MMSE …