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Dear SPMers, I am working on an event related paradigm that has three events that always follow each other in sequence, e.g. 1, 2, 3 but the lengths of events 1 and 3 vary in length depending on the trial (2 is fixed at 8 seconds). I have been trying to come up with a way to plot the time courses of these events but since 1 and 3 vary in their duration, I have not been creative enough to think of a way to graphically represent this. Here is an example of how the durations of these events might look for two different trails - each number represents one second and the number corresponds to the event type: trial 1: 111111111,2222,33 trial 2: 11, 2222,333 trial 3: 11111,2222,3 The only one that seems reasonable to plot to me to plot the time course (for a given ROI) is event type 2, because it is always four seconds long but if anyone has any other ideas or examples in papers how people have gotten around this problem I would welcome their input. I suppose that I could do a separate time course for each type of event, but that would mean having decreasing numbers of data points as the event gets longer. I definitely cannot think of a way to keep these all in a single plot however... Many thanks, Max event 1 range = 2-9 seconds event 2 range = 4 seconds event 3 range = 1-3 seconds