hi Gang
Sorry, I wasn't being clear enough. the stimuli in question are all the same, they are clips from TV shows. the manipulation is previous exposure, basically. it's just that because some of the stimuli are longer than others there is no way to model the whole video exposure for each stimulus. So in the case of TENTzero (-3, 25, 11) I would be modelling the first 25 seconds of the response but the rest of the response to the videos would not be modelled since some go on for longer than others. I am interested in graphing say the first 15 seconds following video onset but as I said I can't use TENT to model the whole response the way I could using dmBLOCK with -stim_times_AM1.
I'll email you the graph, but I know you are busy...
thanks!
James