Figure 6.

The observed and predicted 20‐Hz envelopes for all stimulus durations (4‐Hz stimulus rate) for a representative subject (S3) for the linear bivariate model (top panel), the nonlinear bivariate model (middle panel), and the univariate model (lower panel). For the linear bivariate model, the entire envelope was modeled using an onset response and an offset response, obtained by convolution of the stimulus time course with the onset kernel and the offset “impulse function” with the offset kernel. In the nonlinear bivariate model, an additional second‐order interaction kernel was used. In the univariate model, there was no partitioning into onset and offset response; the univariate first‐ and second‐order kernels operated directly on the stimulus time course.