Table 1 Mean performance (SD) in the perceptual speed and 1-back tasks.

From: Fronto-striatal dopamine D2 receptor availability is associated with cognitive variability in older individuals with low dopamine integrity

 

Accuracy

Mean RT (s)

ISD RT (s)

Number comparison (n = 179)

0.97 (0.03)

1.70 (0.34)

0.41 (0.13)

Verbal comparison (n = 179)

0.96 (0.04)

1.91 (0.44)

0.56 (0.17)

Figure comparison (n = 179)

0.87 (0.06)

3.61 (0.73)

1.24 (0.35)

1-back (n = 168)

0.84 (0.11)

0.87 (0.11)

0.20 (0.03)

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