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Mean percent response accuracy and image contrast (in parenthesis) as a function of group and stimulus repetition in Exp. 1.
| Stimulus presentation | |||||
|---|---|---|---|---|---|
| Group | 1 | 2 | 3 | 4 | 5 |
| Young | 51.4 | 50.3 | 50.1 | 50.4 | 50.3 |
| (17.0) | (12.1) | (11.8) | (10.5) | (9.7) | |
| Elderly | 50.1 | 50.5 | 49.9 | 50.0 | 49.3 |
| (20.0) | (15.6) | (14.9) | (13.3) | (13.0) | |
