Study | Animal size | DA(μm) | Δ Spikes | Δ Latency | Δ RN | ΔVm |
---|---|---|---|---|---|---|
Penit-Soria et al. (1987) | 18–23 d | 400 | ↑ | ↓ | ↑ | ↑ |
Law-Tho et al. (1994) | 20–30 d | 50–100 | NC | NC | NC | ↑ |
Geijo-Barrientos and Pastore (1995) | 150–200 gm | 0.1–10 | ↓ | ↑ | NC | ↑ |
Yang and Seamans (1996) | 80–100 gm | 2–50 | ↑ | ↓ | ↓ | ↑/↓ |
Shi et al. (1997) | 40–120 gm | 1–500 | ↑* | NA | NC | ↑ |
Gulledge and Jaffe (present study) | 17–30 d/10 week | 0.01–30 | ↓ | ↑ | ↓ | ↑ |
↑, Increase with DA; ↓, decrease with DA; NC, no change with DA; NA, data not available.
*Spikes in DA were evoked from depolarized membrane potentials.