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Neural substrate of quality of life in patients with schizophrenia: a magnetisation transfer imaging study

Abstract : The aim of this study was to investigate the neural substrate underlying quality of life (QoL) and to demonstrate the microstructural abnormalities associated with impaired QoL in a large sample of patients with schizophrenia, using magnetisation transfer imaging. A total of 81 right-handed men with a diagnosis of schizophrenia and 25 age- and sex-similar healthy controls were included and underwent a 3T MRI with magnetization transfer ratio (MTR) to detect microstructural abnormalities. Compared with healthy controls, patients with schizophrenia had grey matter (GM) decreased MTR values in the temporal lobe (BA21, BA37 and BA38), the bilateral insula, the occipital lobe (BA17, BA18 and BA19) and the cerebellum. Patients with impaired QoL had lower GM MTR values relative to patients with preserved QoL in the bilateral temporal pole (BA38), the bilateral insula, the secondary visual cortex (BA18), the vermis and the cerebellum. Significant correlations between MTR values and QoL scores (p \textless 0.005) were observed in the GM of patients in the right temporal pole (BA38), the bilateral insula, the vermis and the right cerebellum. Our study shows that QoL impairment in patients with schizophrenia is related to the microstructural changes in an extensive network, suggesting that QoL is a bio-psychosocial marker.
Keywords : crmbm
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Contributor : Monique Bernard Connect in order to contact the contributor
Submitted on : Monday, December 12, 2016 - 11:38:51 AM
Last modification on : Tuesday, October 19, 2021 - 10:50:19 PM

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Catherine Faget-Agius, Laurent Boyer, Jonathan Wirsich, Ranjeva Jean-Philippe, Raphaëlle Richieri, et al.. Neural substrate of quality of life in patients with schizophrenia: a magnetisation transfer imaging study. Scientific Reports, Nature Publishing Group, 2015, 5, pp.17650. ⟨10.1038/srep17650⟩. ⟨hal-01414346⟩



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