Hi Chirag, Yes, just add to the design an EV with those events. I assume the random rest events were random for the subject, but ideally you'd know when they happened. All the best, Anderson On 4 August 2017 at 18:12, Chirag Limbachia <[log in to unmask]> wrote: > FSL Experts, > > For a rapid event-related design in which there are two types of stimuli > and also random rest events, is it possible to model response solely for > one stimulus type? If yes, how? > > Cheers! > > Sent from my iPhone