Table 1 Linear mixed-effect model of interval, disease, delta activity, and cognitive function on keypress (R2 = 0.46).

From: Timing variability and midfrontal ~4 Hz rhythms correlate with cognition in Parkinson’s disease

Contrast

DF

F

P

Delta

6421

1.06

0.30

CTL/PD

102

0.12

0.73

MOCA

102

0.79

0.38

Interval

6446

134.29

<0.0000001**

Delta:CTL/PD

6421

4.48

0.03*

Delta:MOCA

6421

0.88

0.35

CTL/PD:MOCA

102

0.08

0.77

Delta:interval

6416

1.42

0.23

CTL/PD:interval

6446

1.20

0.27

MOCA:interval

6447

19.11

0.00001**

Delta:CTL/PD:MOCA

6421

4.71

0.03*

Delta:CTL/PD:interval

6416

0.06

0.81

Delta:MOCA:interval

6416

1.40

0.24

CTL/PD:MOCA:interval

6447

1.08

0.30

Delta:CTL/PD:MOCA:interval

6416

0.14

0.71

  1. DF degrees of freedom, CTL control, PD Parkinson’s disease, MOCA Montreal Cognitive Assessment.
  2. Significant effects in bold via an F test in R. **P < 0.01, *P < 0.05.
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