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. 2015 Jul 30;9:190. doi: 10.3389/fnbeh.2015.00190

Table 4.

Scores in cognitive screening tasks.

Cut-off Sham first tDCS first
LF GC GD GP EC SP RL CK PG
STM and WM1 Forwards (0–8) 3.75 3.5 4.3 5.3 1.8 4.0 3.5 2.5 3.3 3.3
Backwards (0–8) 5 ± 2 2.0 2.0 2.0 1.8 2.0 n.a. 4.0 n.a. n.a.
Visual attention 31 27.3 23.0 n.a. 46.0 16.0 12.3 15.8 45.5 28.3
Visual-spatial cognition and two-dimensional construction v.n. > 3 3.0 4.0 n.a. 5.0 3.0 -1.0 3.0 10.5 12.0

Digit Span (Orsini et al., 1987); Attentive matrices (Spinnler and Tognoni, 1987); Clock Drawing Test (Dal Pan et al., 1989). Underlined scores fall below norm.