Alterations in intrinsic fronto-thalamo-parietal connectivity are associated with cognitive control deficits in psychotic disorders

Rebekka Lencer, Li Yao, James L. Reilly, Sarah K. Keedy, Jennifer E. McDowell, Matcheri S. Keshavan, Godfrey D. Pearlson, Carol A. Tamminga, Elliot S. Gershon, Brett A. Clementz, Su Lui*, John A. Sweeney

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)163-174
Number of pages12
JournalHuman Brain Mapping
Volume40
Issue number1
DOIs
StatePublished - Jan 2019

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Keywords

  • antisaccade error rate
  • antisaccade latency
  • functional connectivity
  • functional magnetic resonance imaging
  • psychoradiology
  • psychotic bipolar disorder
  • resting state
  • schizoaffective disorder
  • schizophrenia

ASJC Scopus subject areas

  • Anatomy
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Neurology
  • Clinical Neurology

Cite this

Lencer, R., Yao, L., Reilly, J. L., Keedy, S. K., McDowell, J. E., Keshavan, M. S., Pearlson, G. D., Tamminga, C. A., Gershon, E. S., Clementz, B. A., Lui, S., & Sweeney, J. A. (2019). Alterations in intrinsic fronto-thalamo-parietal connectivity are associated with cognitive control deficits in psychotic disorders. Human Brain Mapping, 40(1), 163-174. https://doi.org/10.1002/hbm.24362