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• W2891769873 abstract "Despite a growing number of reports about alterations in intrinsic/resting brain activity observed in patients with psychotic disorders, their relevance to well-established cognitive control deficits in this patient group is not well understood. Totally 88 clinically stabilized patients with a psychotic disorder and 50 healthy controls participated in a resting-state magnetic resonance imaging study (rs-MRI) and performed an antisaccade task in the laboratory to assess voluntary inhibitory control ability. Deficits on this task are a well-established biomarker across psychotic disorders as we found in the present patient sample. First, regional cerebral function was evaluated by measuring the amplitude of low frequency fluctuations (ALFF) in rs-MRI BOLD signals. We found reduced ALFF in patients in regions known to be relevant to antisaccade task performance including bilateral frontal eye fields (FEF), supplementary eye fields (SEF) and thalamus. Second, areas with ALFF alterations were used as seed areas in whole-brain functional connectivity (FC) analysis. Altered FC was observed in a fronto-thalamo-parietal network that was associated with inhibition error rate in patients but not in controls. In contrast, faster time to generate a correct antisaccade was associated with FC in FEF and SEF in controls but this effect was not seen in patients. These findings establish a behavioral relevance of resting-state fMRI findings in psychotic disorders, and extend previous reports of alterations in fronto-thalamo-parietal network activation during antisaccade performance seen in task-based fMRI studies." @default.
• W2891769873 created "2018-09-27" @default.
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• W2891769873 date "2018-09-10" @default.
• W2891769873 modified "2023-10-18" @default.
• W2891769873 title "Alterations in intrinsic fronto‐thalamo‐parietal connectivity are associated with cognitive control deficits in psychotic disorders" @default.
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• W2891769873 doi "https://doi.org/10.1002/hbm.24362" @default.
• W2891769873 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6289604" @default.
• W2891769873 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30260540" @default.
• W2891769873 hasPublicationYear "2018" @default.
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