Table 4.
Behavioral correspondence to cholinergic intensities.
| Intensity | Behavioral State | Estimated ACh Concentration | AHP Conductances (% of Basal) | References | |||
|---|---|---|---|---|---|---|---|
| % | μM | gfAHP | gmAHP | gsAHP | |||
| Low | SW Sleep | 50% | 0.25 | 75 | 110 | 135 | (Williams et al., 1994; Marrosu et al., 1995; Crouzier et al., 2006) |
| Basal | Wake Quiet | 100% | 0.50 | 100 | 100 | 100 | (Williams et al., 1994; Köppen et al., 1996; Marrosu et al., 1995; Arnold et al., 2002; Crouzier et al., 2006; Parikh and Sarter, 2006) |
| Moderate | Fixed Interval, Cued Misses | 150% | 0.75 | 125 | 90 | 65 | (Marrosu et al., 1995; Arnold et al., 2002; Parikh et al., 2007) |
| High | Sustained Attention, Cued Detections | 200% | 1.00 | 150 | 80 | 30 | (Arnold et al., 2002; Parikh et al., 2007) |
| Very High | n/a | 250% | 1.25 | 175 | 70 | −5 | n/a |