Table 1 Consistency of performance.

From: Critical dynamics of endogenous fluctuations predict cognitive flexibility in the Go/NoGo task

 

Go stimulus color

Blue

Yellow

t(26)

p

α

0.65 (0.30)

0.61 (0.27)

0.51

0.614

α (surrogate)

1.35 (0.09)

1.34 (0.12)

0.61

0.549

(2 − α)/21

0.67 (0.15)

0.70 (0.13)

  

γ

0.25 (0.08)

0.26 (0.14)

0.25

0.802

γ (surrogate)

0.05 (0.04)

0.05 (0.04)

0.47

0.644

(1 + γ)/21

0.62 (0.04)

0.63 (0.07)

  

β

0.72 (0.09)

0.74 (0.10)

0.80

0.432

β (surrogate)

0.56 (0.02)

0.56 (0.02)

0.61

0.546

Omission errors, %

2.35 (4.21)

3.98 (8.58)

1.28

0.212

Commission errors, %

18.64 (11.39)

20.00 (9.61)

0.85

0.403

RTV, ms

 Go

67.67 (19.27)

70.40 (24.82)

0.75

0.458

 NoGo

61.95 (31.17)

54.21 (25.16)

1.12

0.272

MRT, ms

 Go

316.86

321.09

0.71

0.483

 NoGo

273.62

277.68

0.73

0.471

  1. Mean (SD) of the ACF (α), PSD (γ) and DFA (β) scaling exponents and performance measures in the two versions of the Go/NoGo task, with either blue or yellow Gostimulus color. Omissions refer to the non-responded Gostimuli and commissions to responses to NoGostimuli. The t and p values are obtained from paired samples t-tests between the two versions of the task with switched stimulus colors.
  2. 1For time series originating from a critical system and exhibiting genuine LRTCs, the ACF (α), PSD (γ) and DFA (β) scaling exponents are theoretically coupled6, 35 by the relationship β = (2 − α)/2 = (1 + γ)/2.
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