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• W4313402312 startingPage "83" @default.
• W4313402312 abstract "The aim of the present study was to examine the neurobiological correlates of the two negative symptom domains of schizophrenia, the Motivational Deficit domain (including avolition, anhedonia, and asociality) and the Expressive Deficit domain (including blunted affect and alogia), focusing on brain areas that are most commonly found to be associated with negative symptoms in previous literature. Resting-state (rs) fMRI data were analyzed in 62 subjects affected by schizophrenia (SZs) and 46 healthy controls (HCs). The SZs, compared to the HCs, showed higher rs brain activity in the right inferior parietal lobule and the right temporoparietal junction, and lower rs brain activity in the right dorsolateral prefrontal cortex, the bilateral anterior dorsal cingulate cortex, and the ventral and dorsal caudate. Furthermore, in the SZs, the rs brain activity in the left orbitofrontal cortex correlated with negative symptoms (r = −0.436, p = 0.006), in particular with the Motivational Deficit domain (r = −0.424, p = 0.002), even after controlling for confounding factors. The left ventral caudate correlated with negative symptoms (r = −0.407, p = 0.003), especially with the Expressive Deficit domain (r = −0.401, p = 0.003); however, these results seemed to be affected by confounding factors. In line with the literature, our results demonstrated that the two negative symptom domains might be underpinned by different neurobiological mechanisms." @default.
• W4313402312 created "2023-01-06" @default.
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• W4313402312 date "2023-01-01" @default.
• W4313402312 modified "2023-09-27" @default.
• W4313402312 title "Resting-State Brain Activity Dysfunctions in Schizophrenia and Their Associations with Negative Symptom Domains: An fMRI Study" @default.
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