Table 1.
Attentional set-shifting test (AST), sequence of discrimination tasks comprising the AST
| Discrimination Stage | Dimensions | Example combinations | ||
|---|---|---|---|---|
| Relevant | Irrelevant | (+) | (-) | |
| Simple | Odor | Clove/sawdust | Nutmeg/sawdust | |
| Compound | Odor | Medium | Clove/raffia | Nutmeg/yarn |
| Clove/yarn | Nutmeg/raffia | |||
| Reversal 1 | Odor | Medium | Nutmeg/raffia | Clove/yarn |
| Nutmeg/yarn | Clove/raffia | |||
| Intradimensional shift | Odor | Medium | Rosemary/wood balls | Cinnamon/plastic beads |
| Rosemary/plastic beads | Cinnamon/wood balls | |||
| Reversal 2 | Odor | Medium | Cinnamon/plastic beads | Rosemary/wood balls |
| Cinnamon/wood balls | Rosemary/plastic beads | |||
| Extradimensional shift (ED) | Medium | Odor | Velvet/citronella | Crepe/thyme |
| Velvet/thyme | Crepe/citronella | |||
All data shown and analyzed are from the extra dimensional (ED) set shifting task.