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kinetics from a typical experiment.
Time = 0 and the vertical hatched line indicates contractions onset. 
data were fitted by a mono-exponential function, which is also shown in the figure. A second control condition (Ctrl-Mod) was introduced, which accounted for the effects on 
kinetics deriving from the non-square wave error signal in IA. Calculated time constants (τf) are also presented. See text for further details.
