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Table 1 Resting state fMRI articles focusing on cognitive impairment in PD

From: What light have resting state fMRI studies shed on cognition and mood in Parkinson’s disease?

Authors Year Analysis method Participants (Age in years, mean; SD) Dopamine medication status PD Duration (Years, mean; SD) Controlled for depression Head motion inclusion criteria; between-group motion comparison
Krajcovicova et al. 2011 ICA 18 PD (63.50; 9.07) ON PD (5.4; 0.31) Yes NR; NR
18 control (60.89; 6.67)
Seibert et al. 2011 ICA, 19 PD (72; 7) NR NR No NR; NR
VBM 18 PRD (70; 8)
19 control (76; 9)
Rektorova et al. 2012 Seed FC 18 PD (63.5; 9.07) ON PD (4.44; NR) No NR; NR
14 PDD (72.36; 5.88) PDD (9.64; NR)
18 control (60.89; 6.67)
Tessitore et al. 2012 ICA, VBM 16 PD (64.15; 1.64) ON PD (5.4; 0.31) Yes NR; NR
16 control (65.5; 6.17)
Baggio et al. 2014 Graph theory 43 PD no-CI (64; 9.8) ON PD no-CI (6.1; 4.4) Yes* Root mean square <0.3 mm translation or .6° rotation; significant difference found between PD no-CI and controls.
23 PD CI (66.7; 12.2) PD CI (9.0; 5.5)
36 control (63.4; 10.5)
Lebedev et al. 2014 Graph theory 30 PD (61.67; 9.46) Naïve Newly diagnosed, not otherwise specified No NR; NA
Yao et al. 2014 ICA 12 PD non-visual hallucinations (63.4; 7.4) ON PD non-visual hallucinations (8.4; 5.1) Yes < 2.5 mm displacement and <2.5° rotation in any direction.
12 PD visual hallucinations (67.6; 7.4) PD visual hallucinations (10.0; 3.5) Did not mention between-group motion comparisons.
14 control (64.1; 4.0)
  1. NR: not reported, NA: not applicable. *A significant difference in Beck Depression Inventory scores were found between PD CI and HC that were controlled for in some analyses.