A Machine Learning Approach for the Automatic Classification of Schizophrenic Discourse

Hector Allende-Cid, Juan Zamora, Pedro Alfaro-Faccio, Maria Francisca Alonso-Sanchez

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Schizophrenia is a chronic neurobiological disorder whose early detection has attracted significant attention from the clinical, psychiatric, and also artificial intelligence communities. This latter approach has been mainly focused on the analysis of neuroimaging and genetic data. A less explored strategy consists in exploiting the power of natural language processing (NLP) algorithms applied over narrative texts produced by schizophrenic subjects. In this paper, a novel dataset collected from a proper field study is presented. Also, grammatical traits discovered in narrative documents are used to build computational representations of texts, allowing an automatic classification of discourses generated by schizophrenic and non-schizophrenic subjects. The attained results showed that the use of the proposed computational representations along with machine learning techniques enables a novel and precise strategy to automatically detect texts produced by schizophrenic subjects.

Original languageEnglish
Article number8678636
Pages (from-to)45544-45553
Number of pages10
JournalIEEE Access
StatePublished - 2019


  • Applied machine learning
  • natural language processing
  • schizophrenia


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