[Rumination and schizotypal personality traits]. / A rumináció és a szkizotip személyiségvonások összefüggései pszichotikus zavarral élok és sine morbo személyek körében.

Background and purpose:

Although ru­mination and schizotypal traits can be considered transdiagnostic phenomena and can occur within non-clinical population as well, a relatively small number of research has been carried out on the topic involving both patient and non clinical participants. The aim of this study is to examine the rela­tionship between schizotypal traits and rumination using a transdiagnostic approach, involving participants living with psychotic disorders and sine morbo individuals.

We recruited participants living with psychotic disorders (paranoid schizophrenia, hebephrenia, schizoaffective disorder, etc.) (n = 30) and controls who had not been diagnosed with any mental illnesses (n = 67). The connection between rumination and schizotypal traits was examined by self-report questionnaire method in a cross-sectional arrangement. The Oxford-Liverpool Inventory was used to measure schizotypal traits, and the Ruminative Thought Style Questionnaire was used to determine the level of rumination. 

Schizotypal symptoms (β = 0.575; p < 0.001), especially cognitive disorganization (β = 0.459; p < 0.001) and unusual experiences (β = 0.221; p = 0.029) significantly explained the degree of rumination. 

Our results support the hypothesis that the association between rumination and schizotypic traits is due to decreased cognitive inhibitory functions.