Paul -
> There is no problem with SOAs < TRs, but what about SOAs>TRs? I was under in
> impresion that the TR could be greater than the SOA. However, I am not sure that
> it is ture by your recent discussions.
I don't know why you were under this impression - the majority
of experiments to date have used SOAs>TRs. It is the effective
sampling rate - related to the ratio of SOA to TR - that is important,
at least for TRs>2s (see Miezin et al, Neuroimage, 2000).
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DR R HENSON
Institute of Cognitive Neuroscience &
Wellcome Department of Cognitive Neurology
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