Table 1.
Forward memory span task before brain fitness program (an example).
| Level | Digits | Words* |
|---|---|---|
| 1 | 2-3-8 | cat-airplane |
| 2 | 1-9-7-2 | shoes-cabbage-watch |
| 3 | 8-7-3-2-4 | colored paper-pencil-monkey-scissors |
| 4 | 6-8-1-2-3-9 | fishbowl-apartment-dyestuff-triangle-farmer |
| 5 | 2-8-4-9-1-1-4 | doll-classroom-spinach-pumpkin-goldfish-grape |
| 6 | 5-8-6-4-3-8-9-7 | sea-fox-spinach-pencil-goldfish-banana-pumpkin |
| 7 | 7-4-9-6-8-5-3-1-8 | doll-crayon-kettle-notebook-fox-mathematics-grape-sea |
| 8 | 6-8-7-9-5-2-3-4-1-5 | spinach-pig-doll-tiger-language-fisher-desk-scissors-potato |
| 9 | 4-7-5-1-3-6-4-9-6-8-2 | doll-crayon-kettle-lion-chair-gym-notebook-desk- mathematics-picture |
| 10 | 7-6-1-8-2-5-7-6-2-1-9-4 | doll-jumping rope-kettle-lion-chair-cucumber-ball-desk- mathematics-cup-doll |
* used Korean language in the field.