Journal
PSYCHIATRY RESEARCH
Volume 323, Issue -, Pages -Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.psychres.2023.115111
Keywords
First-episode schizophrenia; Childhood trauma; White matter; Diffusion tensor imaging
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This study aimed to investigate the relationship between childhood trauma and white matter deficits in first-episode schizophrenia. The results showed that individuals with first-episode schizophrenia had lower fractional anisotropy (FA) values in several white matter bundles, which were inversely related to the total trauma questionnaire (CTQ) score. Additionally, higher CTQ scores may increase the risk of schizophrenia, while higher FA values may decrease the risk of schizophrenia.
Objective: This study aimed to investigate the relationship between childhood trauma (ChT) and white matter (WM) deficits in first-episode schizophrenia (FES).Methods: A total of 103 individuals with FES and 206 healthy control individuals (HCs) were enrolled and assessed based on ChT Questionnaire (CTQ) and Positive and Negative Symptoms Scale (PANSS). Diffusion tensor imaging was acquired on a Signa 3.0 T scanner. Map of fractional anisotropy (FA) was analyzed using Tract-Based Spatial Statistics. Hierarchical logistic regression analyses were used to examine associations of sociodemographic characteristics, total CTQ scores, and WM deficits.Results: Compared with the HCs group, the FES group showed significantly lower FA in several WM bundles (left anterior thalamic radiation, left inferior frontal-occipital fasciculus, left cingulum, forceps major, and forceps minor), and the mean FA value in these WM bundles was inversely related to the total CTQ score. In addition, a higher CTQ score may increase the risk of schizophrenia, while higher FA values may decrease the risk of schizophrenia.Conclusion: This study demonstrates that individuals with FES evince widespread cerebral WM abnormalities and that these abnormalities were associated with ChT. These results provide clues about the neural basis and po-tential biomarkers of schizophrenia.
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