Recent findings suggest a particular pattern in persons with schizophrenia of difficulty with cohesively connecting thoughts about oneself and the world, which results in a perceived lack of coherence. These results are consistent with Bleuler's model of schizophrenia and offer a novel way to understand and measure alterations in thought and speech over time. In order to explore this question, researchers compared the personal narratives of adults with schizophrenia (n=200) to those produced by an HIV+ sample (n=55). They found:
- Consistent with predictions, the narratives in schizophrenia exhibited less cohesion even after controlling for age and education.
- Specifically, the schizophrenia group spoke fewer words, demonstrated less connection between ideas and clauses, provided fewer causal/intentional markers, and displayed lower levels of deep cohesion.
- A classification model using only Coh-Metrix indices found language markers correctly classified participants in nearly three-fourths of cases.
Willits JA, Rubin T, Jones MN, Minor KS, Lysaker PH. Evidence of disturbances of deep levels of semantic cohesion within personal narratives in schizophrenia. [Published online ahead of print November 16, 2017]. Schizophr Res. doi:10.1016/j.schres.2017.11.014.
This Week's Must Reads
Relative Importance of Non-Suicidal Self-Injury, Psychiatry Res; ePub 2018 Feb 4; Burke, et al
Poor Sleep and Non-Medical Prescription Drug Use , Behav Sleep Med; ePub 2017 Dec 22; Alamir, et al
Restrictive Eating, Non-Suicidal Self Injury Link, Compr Psychiatry; ePub 2018 Feb 11; Wang, et al
Interdisciplinary Approach to Transgender Aging, Am J Geriatr Psych; ePub 2018 Feb 7; Johnson, et al
Contraceptive Choice Among Young Adults Examined, J Sex Res; ePub Jan 26; Harvey, Oakley, et al
Must Reads in Schizophrenia & Other Psychotic Disorders
Care Pathway Before Diagnosis of Psychotic Disorder, Am J Psych; ePub 2018 Jan 24; Simon, Stewart, et al
Synthetic Cannabinoid, Psychotic Disorders, and LOS, Psychiatry Res; ePub 2018 Jan 3; Deng, Mohite, et al
Examining Genetic Risk Factors for Schizophrenia, Psychiatry Res; ePub 2017 Dec 21; Nimgaonkar, et al
Personal Narratives Examined in Schizophrenia, Schizophr Res; ePub 2017 Nov 16; Willits, et al
FDA Approves First US Digital Medicine System, FDA news release; 2017 Nov 14