Table 3.

User performance (scores out of 15).

Case	BPa-1b score, n (%)	BP-2c score, n (%)	CEd-1b score, n (%)	CE-2c score, n (%)
1	8 (53.3)	8 (53.3)	11 (73.3)	7 (46.7)
2	12 (80.0)	11 (73.3)	11 (73.3)	9 (60.0)
3	12 (80.0)	10 (66.7)	11 (73.3)	11 (73.3)
4	10 (66.7)	10 (66.7)	11 (73.3)	9 (60.0)
5	11 (73.3)	10 (66.7)	11 (73.3)	8 (53.3)
6	12 (80.0)	12 (80.0)	11 (73.3)	11 (73.3)
7	9 (60.0)	8 (53.3)	9 (60.0)	8 (53.3)
8	9 (60.0)	9 (60.0)	8 (53.3)	8 (53.3)
9	8 (53.3)	7 (46.7)	7 (46.7)	7 (46.7)
10	10 (66.7)	9 (60.0)	10 (66.7)	9 (60.0)

^aBP: basic practice.

^bExcluding color recognition variations.

^cIntroducing color perception variables.

^dCE: cognitive exercise.