Event markers

[Peter Quain]

some sort of VPM manual here:

http://www.cas.buffalo.edu/classes/psy/lhawk/101/Spring%202003/vpm.pdf

At 07:46 AM 29/08/2010, you wrote:
>I understand what you are saying and had no intention of blindly
>taking the advice of anyone.
>
>Best,
>Tim
>
>On Aug 27, 1:14 pm, David McFarlane <mcfar... at msu.edu> wrote:
> > Tim,
> >
> > Thank you for posting back.  But I stand by my point.  Suppose I were
> > to assure you, "Yes, the practices you describe will work exactly as
> > you expect & desire."  Would you simply take my word for that and go
> > on to blindly run your studies?  Why take the word of any of the
> > blowhards here, let alone me?
> >
> > You see, there *must* be some way for you to inspect any received
> > markers in your VPM (whatever that is) data yourself, otherwise those
> > markers are useless.  And if you have any way to inspect the markers,
> > then you can find some way to verify both their presence and their
> > accuracy yourself.  You do not need us for that, and in fact we would
> > pose a hindrance.  And if you cannot manage this yourself, then you
> > have bigger problems that you must master first.
> >
> > Regards,
> > -- David McFarlane, Professional Faultfinder
> > "You got to test that piece of software, You got to test it for yourself,
> > No one else can test it for you, You got to test it for yourself."
> > (Apologies to the Fairfield Four)>I was mostly concerned with 
> whether the above E-Prime script would be
> > >enough to mark the data. There is no web support for VPM, and if it
> > >was the case that additional script in that program was needed, I
> > >wanted to start looking immediately. I have seen posts from people
> > >using a variety of software for collecting physio data and was hoping
> > >that maybe a forum member could shed some light on the issue.
> >
> > >Sorry for not checking the E-Prime script prior to posting, but thank
> > >you for your help nonetheless.
> >
> > >Best
> > >Tim
> >
> > >On Aug 25, 6:13 am, David McFarlane <mcfar... at msu.edu> wrote:
> > > > Tim,
> >
> > > > Stock reminder:  1) I do not work for PST.  2) PST's trained staff
> > > > really does like to take any and all questions
> > > athttp://support.pstnet.com/e%2Dprime/support/login.asp, and they strive
> > > > to respond to all requests in 24-48 hours -- this is pretty much their
> > > > substitute for proper documentation, so make full use of it.  3) If you
> > > > do get an answer from PST Web Support, please extend the courtesy of
> > > > posting their reply back here for the sake of others.
> >
> > > > That said, here is my take ...
> >
> > > > OK, let me get this straight.  You have one computer running E-Prime,
> > > > and another computer running VPm to collect physiological data.  You
> > > > wrote a perfectly good program in E-Prime to send signals 
> from the EP PC
> > > > to the VPm PC.  But instead of simply running your system to see if it
> > > > works, you ask us if it will work?  What am I missing?
> >
> > > > -- David McFarlane, Professional Faultfinder
> >
> > > > > I am trying to use E-prime to send event markers through a parallel
> > > > > port to a computer that is collecting psychophysiological data using
> > > > > VPm software. I think I have the E-Prime code right for the events I
> > > > > want marked:
> >
> > > > > Player.OnsetSignalEnabled = True
> > > > > Player.OnsetSignalPort = &H378
> > > > > Player.OnsetSignalData = 2
> >
> > > > > Player.OffsetSignalEnabled = True
> > > > > Player.OffsetSignalPort = &H378
> > > > > Player.OffsetSignalData = 3
> >
> > > > > Result1.OnsetSignalEnabled = True
> > > > > Result1.OnsetSignalPort = &H378
> > > > > Result1.OnsetSignalData = 4
> >
> > > > > Result1.OffsetSignalEnabled = True
> > > > > Result1.OffsetSignalPort = &H378
> > > > > Result1.OffsetSignalData = 5
> >
> > > > > My understanding is that this script will cue E-Prime to send the
> > > > > numeric value associated with xxx.OnsetSignalData through 
> the parallel
> > > > > port into the psychophysiological data being collected. Is that
> > > > > correct? Also, would I need any additional script for the computer
> > > > > collecting the physio data?
> >
> > > > > Thanks for your help,
> > > > > Tim
> >
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