Relationships between childhood trauma and dimensional schizotypy: A network analysis and replication

Huang, Yi-hang; Hu, Hui-Xin; Wang, Lingling; Zhang, Yijing; Wang, Xuan; Wang, Yi; Wang, Ya; Wang, Yanyu; Lui, Simon; Chan, Raymond C.K.

doi:10.1016/j.ajp.2023.103598

Cited by 5 publications

(3 citation statements)

References 68 publications

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“…A recent study documented relationships between various types of childhood trauma and multidimensional schizotypy. 36 This study noted that the strength of the network was higher in people with high schizotypy than those with low schizotypy. Our work extends these findings in 2 important ways.…”

Section: Discussionmentioning

confidence: 76%

“…It considers disorders as dynamic systems consisting of various symptoms and biological, psychological, social, and environmental factors. 35 Recent network investigations documented a link between childhood trauma and multidimensional schizotypy in a nonclinical population 36 as well as links between childhood trauma and psychotic symptoms 37 , 38 and dissociative experiences 39 in clinical samples. Another recent network study found that bodily disturbances serve as a bridge between childhood trauma and SZ symptomatology, 40 but the diagnostic specificity of these connections remains unexplored.…”

Section: Introductionmentioning

confidence: 99%

“…For instance, the networks of childhood trauma and schizotypy were found to be similar in people with high and low schizotypy, though the network of individuals with elevated schizotypy was more strongly connected. 36 The overall strength of a network sheds light on its connectivity: nodes of highly connected networks are more likely to activate each other, which makes for a more vulnerable network.…”

Section: Introductionmentioning

confidence: 99%

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Network Structure of Childhood Trauma, Bodily Disturbances, and Schizotypy in Schizophrenia and Nonclinical Controls

Torregrossa,

Liu,

Armstrong

et al. 2024

Schizophrenia Bulletin Open

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Background and Hypothesis Exposure to childhood trauma has been linked to the development of psychosis and bodily-self disturbances, two hallmarks of schizophrenia. Prior work demonstrated that bodily disturbances serve as a bridge between childhood trauma and schizophrenia symptomatology, but the diagnostic specificity of these connections remains unknown. This study uses network analysis to bridge this gap by comparing the interplays between childhood trauma, bodily-self disturbances, and schizotypy in clinical and general populations. Study Design Networks were constructed to examine the relationships between schizotypy (Schizotypal Personality Questionnaire; SPQ), bodily self-disturbances (Perceptual Aberration Scale; PAS), and childhood trauma (Childhood Trauma Questionnaire, CTQ) in 152 people with schizophrenia (SZ) and 162 healthy comparison participants (HC). The Fused Graphical Lasso was used to jointly estimate the networks in the two groups and the structure and strength of the networks were compared. Node centrality and shortest paths between CTQ, PAS, and schizotypy were examined. Study Results When comparing SZ and HC, the network of bodily self-disturbances, childhood trauma, and schizotypy were similarly structured, but the network was significantly stronger in SZ than HC. In both groups, bodily self-disturbances were on one of the shortest paths between childhood trauma to schizotypal experiences. Conclusions Our findings revealed reliable associations between childhood trauma, bodily-self disturbance, and schizotypy, with bodily disturbances acting as a bridge from childhood trauma to schizotypy. The elevated strength of the SZ network indicates a more highly interconnected, and therefore reactive network in which exposure to childhood trauma can more easily activate bodily disturbances and schizotypy.

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Section: Discussionmentioning

confidence: 76%