Automated assessment of discourse coherence in schizophrenia and schizoaffective disorder

Analysis of discourse coherence in a set of spoken narratives by people with schizophrenia or schizoaffective disorder and by neurotypical speakers of Russian. Approximating cluster number and positioning. Key formulae for the cohrence metrics.

Рубрика Иностранные языки и языкознание
Вид дипломная работа
Язык английский
Дата добавления 24.08.2020
Размер файла 3,3 M

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Figure 9. PCA biplot on Chair task with BERT vectorization including PANSS scores and sociolinguistic data. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. PANSS_Total - total PANSS score, PANSS_O - PANSS score on general psychopathology subscale, PANSS_P - PANSS score on positive symptoms subscale, PANSS_N - PANSS score on positive symptoms subscale, TD - PANSS score on thought disorder; mean_semi_loc_coh_bert - mean semi-local coherence, min_semi_loc_coh_bert - minimal semi-local coherence, max_semi_loc_coh_bert - maximal semi-local coherence, mean_loc_coh_bert - mean local coherence, min_loc_coh_bert - minimal local coherence, max_loc_coh_bert - maximal local coherence, mean_glob_coh_bert - mean global coherence, min_glob_coh_bert - minimal global coherence, max_glob_coh_bert - maximal global coherence, mean_control_glob_coh_bert - mean control global coherence, min_control_glob_coh_bert - minimal control global coherence, max_control_glob_coh_bert - maximal control global coherence, mean_cum_coh_bert - mean cumulative coherence, min_cum_coh_bert - minimal cumulative coherence, max_cum_coh_bert - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 10. PCA biplot on Chair task with BERT vectorization. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. mean_semi_loc_coh_bert - mean semi-local coherence, min_semi_loc_coh_bert - minimal semi-local coherence, max_semi_loc_coh_bert - maximal semi-local coherence, mean_loc_coh_bert - mean local coherence, min_loc_coh_bert - minimal local coherence, max_loc_coh_bert - maximal local coherence, mean_glob_coh_bert - mean global coherence, min_glob_coh_bert - minimal global coherence, max_glob_coh_bert - maximal global coherence, mean_control_glob_coh_bert - mean control global coherence, min_control_glob_coh_bert - minimal control global coherence, max_control_glob_coh_bert - maximal control global coherence, mean_cum_coh_bert - mean cumulative coherence, min_cum_coh_bert - minimal cumulative coherence, max_cum_coh_bert - maximal cumulative coherence. The arrows indicate projections of the respective metric

11.4.2 Personal Story

Figure 11. PCA biplot on Gift task with SIF vectorization including PANSS scores and sociolinguistic data. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. PANSS_Total - total PANSS score, PANSS_O - PANSS score on general psychopathology subscale, PANSS_P - PANSS score on positive symptoms subscale, PANSS_N - PANSS score on positive symptoms subscale, TD - PANSS score on thought disorder; mean_semi_loc_coh_sif - mean semi-local coherence, min_semi_loc_coh_sif - minimal semi-local coherence, max_semi_loc_coh_sif - maximal semi-local coherence, mean_loc_coh_sif - mean local coherence, min_loc_coh_sif - minimal local coherence, max_loc_coh_sif - maximal local coherence, mean_glob_coh_sif - mean global coherence, min_glob_coh_sif - minimal global coherence, max_glob_coh_sif - maximal global coherence, mean_control_glob_coh_sif - mean control global coherence, min_control_glob_coh_sif - minimal control global coherence, max_control_glob_coh_sif - maximal control global coherence, mean_cum_coh_sif - mean cumulative coherence, min_cum_coh_sif - minimal cumulative coherence, max_cum_coh_sif - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 12. PCA biplot on Gift task with SIF vectorization. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. mean_semi_loc_coh_sif - mean semi-local coherence, min_semi_loc_coh_sif - minimal semi-local coherence, max_semi_loc_coh_sif - maximal semi-local coherence, mean_loc_coh_sif - mean local coherence, min_loc_coh_sif - minimal local coherence, max_loc_coh_sif - maximal local coherence, mean_glob_coh_sif - mean global coherence, min_glob_coh_sif - minimal global coherence, max_glob_coh_sif - maximal global coherence, mean_control_glob_coh_sif - mean control global coherence, min_control_glob_coh_sif - minimal control global coherence, max_control_glob_coh_sif - maximal control global coherence, mean_cum_coh_sif - mean cumulative coherence, min_cum_coh_sif - minimal cumulative coherence, max_cum_coh_sif - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 13. PCA biplot on Gift task with ELMo vectorization including PANSS scores and sociolinguistic data. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. PANSS_Total - total PANSS score, PANSS_O - PANSS score on general psychopathology subscale, PANSS_P - PANSS score on positive symptoms subscale, PANSS_N - PANSS score on positive symptoms subscale, TD - PANSS score on thought disorder; mean_semi_loc_coh_elmo - mean semi-local coherence, min_semi_loc_coh_elmo - minimal semi-local coherence, max_semi_loc_coh_elmo - maximal semi-local coherence, mean_loc_coh_elmo - mean local coherence, min_loc_coh_elmo - minimal local coherence, max_loc_coh_elmo - maximal local coherence, mean_glob_coh_elmo - mean global coherence, min_glob_coh_elmo - minimal global coherence, max_glob_coh_elmo - maximal global coherence, mean_control_glob_coh_elmo - mean control global coherence, min_control_glob_coh_elmo - minimal control global coherence, max_control_glob_coh_elmo - maximal control global coherence, mean_cum_coh_elmo - mean cumulative coherence, min_cum_coh_elmo - minimal cumulative coherence, max_cum_coh_elmo - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 14. PCA biplot on Gift task with ELMo vectorization. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. mean_semi_loc_coh_elmo - mean semi-local coherence, min_semi_loc_coh_elmo - minimal semi-local coherence, max_semi_loc_coh_elmo - maximal semi-local coherence, mean_loc_coh_elmo - mean local coherence, min_loc_coh_elmo - minimal local coherence, max_loc_coh_elmo - maximal local coherence, mean_glob_coh_elmo - mean global coherence, min_glob_coh_elmo - minimal global coherence, max_glob_coh_elmo - maximal global coherence, mean_control_glob_coh_elmo - mean control global coherence, min_control_glob_coh_elmo - minimal control global coherence, max_control_glob_coh_elmo - maximal control global coherence, mean_cum_coh_elmo - mean cumulative coherence, min_cum_coh_elmo - minimal cumulative coherence, max_cum_coh_elmo - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 15. PCA biplot on Gift task with BERT vectorization including PANSS scores and sociolinguistic data. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. PANSS_Total - total PANSS score, PANSS_O - PANSS score on general psychopathology subscale, PANSS_P - PANSS score on positive symptoms subscale, PANSS_N - PANSS score on positive symptoms subscale, TD - PANSS score on thought disorder; mean_semi_loc_coh_bert - mean semi-local coherence, min_semi_loc_coh_bert - minimal semi-local coherence, max_semi_loc_coh_bert - maximal semi-local coherence, mean_loc_coh_bert - mean local coherence, min_loc_coh_bert - minimal local coherence, max_loc_coh_bert - maximal local coherence, mean_glob_coh_bert - mean global coherence, min_glob_coh_bert - minimal global coherence, max_glob_coh_bert - maximal global coherence, mean_control_glob_coh_bert - mean control global coherence, min_control_glob_coh_bert - minimal control global coherence, max_control_glob_coh_bert - maximal control global coherence, mean_cum_coh_bert - mean cumulative coherence, min_cum_coh_bert - minimal cumulative coherence, max_cum_coh_bert - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 16. PCA biplot on Gift task with BERT vectorization. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. mean_semi_loc_coh_bert - mean semi-local coherence, min_semi_loc_coh_bert - minimal semi-local coherence, max_semi_loc_coh_bert - maximal semi-local coherence, mean_loc_coh_bert - mean local coherence, min_loc_coh_bert - minimal local coherence, max_loc_coh_bert - maximal local coherence, mean_glob_coh_bert - mean global coherence, min_glob_coh_bert - minimal global coherence, max_glob_coh_bert - maximal global coherence, mean_control_glob_coh_bert - mean control global coherence, min_control_glob_coh_bert - minimal control global coherence, max_control_glob_coh_bert - maximal control global coherence, mean_cum_coh_bert - mean cumulative coherence, min_cum_coh_bert - minimal cumulative coherence, max_cum_coh_bert - maximal cumulative coherence. The arrows indicate projections of the respective metric

11.4.3 Picture Description: Child

Figure 17. PCA biplot on Child task with SIF vectorization including PANSS scores and sociolinguistic data. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. PANSS_Total - total PANSS score, PANSS_O - PANSS score on general psychopathology subscale, PANSS_P - PANSS score on positive symptoms subscale, PANSS_N - PANSS score on positive symptoms subscale, TD - PANSS score on thought disorder; mean_semi_loc_coh_sif - mean semi-local coherence, min_semi_loc_coh_sif - minimal semi-local coherence, max_semi_loc_coh_sif - maximal semi-local coherence, mean_loc_coh_sif - mean local coherence, min_loc_coh_sif - minimal local coherence, max_loc_coh_sif - maximal local coherence, mean_glob_coh_sif - mean global coherence, min_glob_coh_sif - minimal global coherence, max_glob_coh_sif - maximal global coherence, mean_control_glob_coh_sif - mean control global coherence, min_control_glob_coh_sif - minimal control global coherence, max_control_glob_coh_sif - maximal control global coherence, mean_cum_coh_sif - mean cumulative coherence, min_cum_coh_sif - minimal cumulative coherence, max_cum_coh_sif - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 18. PCA biplot on Child task with SIF vectorization. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. mean_semi_loc_coh_sif - mean semi-local coherence, min_semi_loc_coh_sif - minimal semi-local coherence, max_semi_loc_coh_sif - maximal semi-local coherence, mean_loc_coh_sif - mean local coherence, min_loc_coh_sif - minimal local coherence, max_loc_coh_sif - maximal local coherence, mean_glob_coh_sif - mean global coherence, min_glob_coh_sif - minimal global coherence, max_glob_coh_sif - maximal global coherence, mean_control_glob_coh_sif - mean control global coherence, min_control_glob_coh_sif - minimal control global coherence, max_control_glob_coh_sif - maximal control global coherence, mean_cum_coh_sif - mean cumulative coherence, min_cum_coh_sif - minimal cumulative coherence, max_cum_coh_sif - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 19. PCA biplot on Child task with ELMo vectorization including PANSS scores and sociolinguistic data. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. PANSS_Total - total PANSS score, PANSS_O - PANSS score on general psychopathology subscale, PANSS_P - PANSS score on positive symptoms subscale, PANSS_N - PANSS score on positive symptoms subscale, TD - PANSS score on thought disorder; mean_semi_loc_coh_elmo - mean semi-local coherence, min_semi_loc_coh_elmo - minimal semi-local coherence, max_semi_loc_coh_elmo - maximal semi-local coherence, mean_loc_coh_elmo - mean local coherence, min_loc_coh_elmo - minimal local coherence, max_loc_coh_elmo - maximal local coherence, mean_glob_coh_elmo - mean global coherence, min_glob_coh_elmo - minimal global coherence, max_glob_coh_elmo - maximal global coherence, mean_control_glob_coh_elmo - mean control global coherence, min_control_glob_coh_elmo - minimal control global coherence, max_control_glob_coh_elmo - maximal control global coherence, mean_cum_coh_elmo - mean cumulative coherence, min_cum_coh_elmo - minimal cumulative coherence, max_cum_coh_elmo - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 20. PCA biplot on Child task with ELMo vectorization. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. mean_semi_loc_coh_elmo - mean semi-local coherence, min_semi_loc_coh_elmo - minimal semi-local coherence, max_semi_loc_coh_elmo - maximal semi-local coherence, mean_loc_coh_elmo - mean local coherence, min_loc_coh_elmo - minimal local coherence, max_loc_coh_elmo - maximal local coherence, mean_glob_coh_elmo - mean global coherence, min_glob_coh_elmo - minimal global coherence, max_glob_coh_elmo - maximal global coherence, mean_control_glob_coh_elmo - mean control global coherence, min_control_glob_coh_elmo - minimal control global coherence, max_control_glob_coh_elmo - maximal control global coherence, mean_cum_coh_elmo - mean cumulative coherence, min_cum_coh_elmo - minimal cumulative coherence, max_cum_coh_elmo - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 21. PCA biplot on Child task with BERT vectorization including PANSS scores and sociolinguistic data. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. PANSS_Total - total PANSS score, PANSS_O - PANSS score on general psychopathology subscale, PANSS_P - PANSS score on positive symptoms subscale, PANSS_N - PANSS score on positive symptoms subscale, TD - PANSS score on thought disorder; mean_semi_loc_coh_bert - mean semi-local coherence, min_semi_loc_coh_bert - minimal semi-local coherence, max_semi_loc_coh_bert - maximal semi-local coherence, mean_loc_coh_bert - mean local coherence, min_loc_coh_bert - minimal local coherence, max_loc_coh_bert - maximal local coherence, mean_glob_coh_bert - mean global coherence, min_glob_coh_bert - minimal global coherence, max_glob_coh_bert - maximal global coherence, mean_control_glob_coh_bert - mean control global coherence, min_control_glob_coh_bert - minimal control global coherence, max_control_glob_coh_bert - maximal control global coherence, mean_cum_coh_bert - mean cumulative coherence, min_cum_coh_bert - minimal cumulative coherence, max_cum_coh_bert - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 22. PCA biplot on Child task with BERT vectorization. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. mean_semi_loc_coh_bert - mean semi-local coherence, min_semi_loc_coh_bert - minimal semi-local coherence, max_semi_loc_coh_bert - maximal semi-local coherence, mean_loc_coh_bert - mean local coherence, min_loc_coh_bert - minimal local coherence, max_loc_coh_bert - maximal local coherence, mean_glob_coh_bert - mean global coherence, min_glob_coh_bert - minimal global coherence, max_glob_coh_bert - maximal global coherence, mean_control_glob_coh_bert - mean control global coherence, min_control_glob_coh_bert - minimal control global coherence, max_control_glob_coh_bert - maximal control global coherence, mean_cum_coh_bert - mean cumulative coherence, min_cum_coh_bert - minimal cumulative coherence, max_cum_coh_bert - maximal cumulative coherence. The arrows indicate projections of the respective metric

11.4.4 Picture Description: Suit

Figure 23. PCA biplot on Suit task with SIF vectorization including PANSS scores and sociolinguistic data. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. PANSS_Total - total PANSS score, PANSS_O - PANSS score on general psychopathology subscale, PANSS_P - PANSS score on positive symptoms subscale, PANSS_N - PANSS score on positive symptoms subscale, TD - PANSS score on thought disorder; mean_semi_loc_coh_sif - mean semi-local coherence, min_semi_loc_coh_sif - minimal semi-local coherence, max_semi_loc_coh_sif - maximal semi-local coherence, mean_loc_coh_sif - mean local coherence, min_loc_coh_sif - minimal local coherence, max_loc_coh_sif - maximal local coherence, mean_glob_coh_sif - mean global coherence, min_glob_coh_sif - minimal global coherence, max_glob_coh_sif - maximal global coherence, mean_control_glob_coh_sif - mean control global coherence, min_control_glob_coh_sif - minimal control global coherence, max_control_glob_coh_sif - maximal control global coherence, mean_cum_coh_sif - mean cumulative coherence, min_cum_coh_sif - minimal cumulative coherence, max_cum_coh_sif - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 24. PCA biplot on Suit task with SIF vectorization. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. mean_semi_loc_coh_sif - mean semi-local coherence, min_semi_loc_coh_sif - minimal semi-local coherence, max_semi_loc_coh_sif - maximal semi-local coherence, mean_loc_coh_sif - mean local coherence, min_loc_coh_sif - minimal local coherence, max_loc_coh_sif - maximal local coherence, mean_glob_coh_sif - mean global coherence, min_glob_coh_sif - minimal global coherence, max_glob_coh_sif - maximal global coherence, mean_control_glob_coh_sif - mean control global coherence, min_control_glob_coh_sif - minimal control global coherence, max_control_glob_coh_sif - maximal control global coherence, mean_cum_coh_sif - mean cumulative coherence, min_cum_coh_sif - minimal cumulative coherence, max_cum_coh_sif - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 25. PCA biplot on Suit task with ELMo vectorization including PANSS scores and sociolinguistic data. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. PANSS_Total - total PANSS score, PANSS_O - PANSS score on general psychopathology subscale, PANSS_P - PANSS score on positive symptoms subscale, PANSS_N - PANSS score on positive symptoms subscale, TD - PANSS score on thought disorder; mean_semi_loc_coh_elmo - mean semi-local coherence, min_semi_loc_coh_elmo - minimal semi-local coherence, max_semi_loc_coh_elmo - maximal semi-local coherence, mean_loc_coh_elmo - mean local coherence, min_loc_coh_elmo - minimal local coherence, max_loc_coh_elmo - maximal local coherence, mean_glob_coh_elmo - mean global coherence, min_glob_coh_elmo - minimal global coherence, max_glob_coh_elmo - maximal global coherence, mean_control_glob_coh_elmo - mean control global coherence, min_control_glob_coh_elmo - minimal control global coherence, max_control_glob_coh_elmo - maximal control global coherence, mean_cum_coh_elmo - mean cumulative coherence, min_cum_coh_elmo - minimal cumulative coherence, max_cum_coh_elmo - maximal cumulative coherence.. The arrows indicate projections of the respective metric

Figure 26. PCA biplot on Suit task with ELMo vectorization. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. mean_semi_loc_coh_elmo - mean semi-local coherence, min_semi_loc_coh_elmo - minimal semi-local coherence, max_semi_loc_coh_elmo - maximal semi-local coherence, mean_loc_coh_elmo - mean local coherence, min_loc_coh_elmo - minimal local coherence, max_loc_coh_elmo - maximal local coherence, mean_glob_coh_elmo - mean global coherence, min_glob_coh_elmo - minimal global coherence, max_glob_coh_elmo - maximal global coherence, mean_control_glob_coh_elmo - mean control global coherence, min_control_glob_coh_elmo - minimal control global coherence, max_control_glob_coh_elmo - maximal control global coherence, mean_cum_coh_elmo - mean cumulative coherence, min_cum_coh_elmo - minimal cumulative coherence, max_cum_coh_elmo - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 27. PCA biplot on Suit task with BERT vectorization including PANSS scores and sociolinguistic data. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. PANSS_Total - total PANSS score, PANSS_O - PANSS score on general psychopathology subscale, PANSS_P - PANSS score on positive symptoms subscale, PANSS_N - PANSS score on positive symptoms subscale, TD - PANSS score on thought disorder; mean_semi_loc_coh_bert - mean semi-local coherence, min_semi_loc_coh_bert - minimal semi-local coherence, max_semi_loc_coh_bert - maximal semi-local coherence, mean_loc_coh_bert - mean local coherence, min_loc_coh_bert - minimal local coherence, max_loc_coh_bert - maximal local coherence, mean_glob_coh_bert - mean global coherence, min_glob_coh_bert - minimal global coherence, max_glob_coh_bert - maximal global coherence, mean_control_glob_coh_bert - mean control global coherence, min_control_glob_coh_bert - minimal control global coherence, max_control_glob_coh_bert - maximal control global coherence, mean_cum_coh_bert - mean cumulative coherence, min_cum_coh_bert - minimal cumulative coherence, max_cum_coh_bert - maximal cumulative coherence. The arrows indicate projections of the respective metric

Figure 28. PCA biplot on Suit task with BERT vectorization. Controls are shown in red, controls with schizo-spectrum tendencies are shown in purple, patients with schizophrenia are shown in green, patients with schizoaffective disorder are shown in cyan. mean_semi_loc_coh_bert - mean semi-local coherence, min_semi_loc_coh_bert - minimal semi-local coherence, max_semi_loc_coh_bert - maximal semi-local coherence, mean_loc_coh_bert - mean local coherence, min_loc_coh_bert - minimal local coherence, max_loc_coh_bert - maximal local coherence, mean_glob_coh_bert - mean global coherence, min_glob_coh_bert - minimal global coherence, max_glob_coh_bert - maximal global coherence, mean_control_glob_coh_bert - mean control global coherence, min_control_glob_coh_bert - minimal control global coherence, max_control_glob_coh_bert - maximal control global coherence, mean_cum_coh_bert - mean cumulative coherence, min_cum_coh_bert - minimal cumulative coherence, max_cum_coh_bert - maximal cumulative coherence. The arrows indicate projections of the respective metric

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