Figure 9.

Dynamics of the fits to the linear model of Figure 8, computed using a 50 msec sliding window. The windows were shifted by 20 msec (before and after the stimulus), 10 msec (during the stimulus), or 5 msec (during the onset responses). The abscissa denotes the centers of the 50 msec bins. The vertical lines indicate time of stimulus offset (t = 230 msec). A, Regression slopes of the model, separately for the global probability p (black) and local sequence M (dark gray). Light gray, Difference between the population response to the deviant and the standard, DS = PSTH(Deviant) - PSTH(Standard), inverted and scaled. Inset, Scaling of all three curves to the same minimum. B, Fraction of variance explained by the model R². Inset, “Zoom in” on the initial time. C, Fraction of variance explained by the model, R², showing separately the significant time bins (filled circles and solid lines) and nonsignificant time bins (empty circles and dotted lines). Light gray, DS = PSTH(Deviant) - PSTH(Standard). Inset, Scaling all three curves to the same maximum.