Table 1.
Parameters used in the delay conditioning paradigms in young humans, rabbits, and rodents.
| Study | Age sensitive | CS duration (ms) | Stimulus type | US duration (ms) | Trials to Criterion/Asymptote | CR (%) |
|---|---|---|---|---|---|---|
| HUMAN | ||||||
| Braun and Geiselhart, 1959 | Yes | 1000 | Light | 500 | 60 | 60 |
| Kimble and Pennypacker, 1963 | Yes | 500 | Light | 50 | 35 | 50 |
| Solomon et al., 1989 | Yes | 500 | Tone (1 kHz) | 100 | 30 | 80 |
| Solomon et al., 1991 | Yes | 400 | Tone (1 kHz) | 100 | 30 | 70 |
| No | 750 | Tone (1 kHz) | 100 | 40 | 70 | |
| No | 1000 | Tone (1 kHz) | 100 | 20 | 65 | |
| RABBIT | ||||||
| Powell et al., 1984 | Yes | 750 | Tone (1.2 kHz) | 250 | 192 | 70 |
| Graves and Solomon, 1985 | No | 500 | Tone (1.2 kHz) | 50 | 300 | 90 |
| Solomon et al., 1995 | Yes | 500 | Tone (1 kHz) | 100 | 900 | 70 |
| Rose et al., 2007 | Yes | 750 | Tone (1 kHz) | 100 | 810 | 75 |
| Woodruff-Pak et al., 2007 | Yes | 750 | Tone (1 kHz) | 100 | 630 | 25 |
| 200 | Tone (1 kHz) | 100 | 1500 | 80 | ||
| RODENTS | ||||||
| Paredes et al., 2009 | Yes | 400 | Tone (3 kHz) | 100 | 250 | 70 |
| Woodruff-Pak et al., 2010 | Yes | 600 | Tone (1 kHz) | 100 | 180 | 70 |