(1) Version: optseq2.c,v 2.21.2.1

(2) Computer operating system: Mac OS X Version 10.7.3

(3) Command line: Not relavant here

(4) Description of the problem: A trial in my experiment involves a
countdown (duration 2 seconds) followed by the event of interest (0.5
seconds) followed by a blank screen (3.5 seconds). I am having trouble with
the definition of 'event duration'. That is, for the argument --ev x *y* z,
what do I specify for *y *(event duration)? the entire trial is 7 seconds
in length, but the duration of the event of interest is only 0.5 seconds
(embedded between a countdown, and a blank screen).

As a second question, is psdmin always set at '0'? Would '0' be appropriate
for the trial structure described above?

(5) Log and/or summary files: Not relavant here

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