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. 2012 Jun 29;6:42. doi: 10.3389/fncom.2012.00042

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