... swallow signals on the left and aspiration signals on the rightFigure 3Sample swallow signals on the left and aspiration signals on the right. Note that swallows are typically longer in duration and ... is,Here, A is the number of reverse arrangements in the sig-nal, and μA and σA, defined as in [6], only depend on the length of the signal. Under the null hypothesis of stationarity, zA ... simultaneously, by the pre-siding pediatrician via a pushbutton switch, upon obser-vation of swallow initiation. In this manner, the time code on the analog video corresponded to the time index of...