Enter SD, CD, CDR, IDS, IDR, EDS, and EDR trials to criterion. Compute EDS minus IDS, reversal cost, group SEM, and CSV export.
Enter trials to reach 6 consecutive correct at each stage. The canonical stage order is SD, CD, CDR, IDS, IDR, EDS, EDR.
| Animal | Group | SD | CD | CDR | IDS | IDR | EDS | EDR | Persev. | Regress. | EDS - IDS | EDR - IDR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | 10 | |||||||||||
| 10 | 11 | |||||||||||
| 24 | 16 |
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ASST is a staged discrimination task for cognitive flexibility. Animals progress through simple discrimination, compound discrimination, reversal stages, intradimensional shift, and extradimensional shift.
The scorer keeps each stage in the canonical order: SD, CD, CDR, IDS, IDR, EDS, EDR.
Set-shifting cost equals EDS trials to criterion minus IDS trials to criterion. This isolates the extradimensional attention shift from prior intradimensional performance.
Reversal cost equals EDR trials to criterion minus IDR trials to criterion. Group summaries use animal-level costs and report mean plus SEM.
A selective increase in EDS cost suggests impaired cognitive flexibility. Broad increases across SD, CD, and reversal stages may reflect motivation, sensory discrimination, motor output, or general learning effects instead.
Rodent ASST hardware and stimulus sets for cognitive flexibility studies
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