Trigger event markers from Eprime to BIOPAC

[David McFarlane]

Catarina,

Here's the deal:  For some years I have personally provided copious 
free advice here (often starting with "do *all* the tutorials in the 
manuals"), partly as mental exercise & self-training, partly as 
public service, and partly to amuse myself.

Now we have taken a good deal of that and packaged it into an online 
course, for which people must pay, and I cannot keep handing out the 
same answers that we have already covered.  As it turns out, your 
very question is covered in the closing "fMRI, EEG, & 
Psychophysiology" lesson of our course, complete with an exercise in 
which I have you write a working program to do just what you descibe, 
and which I then personally grade.  (The course also includes a Live 
Office Hour every week with me.)

That's all I can tell you now.  But if you hold on, some more 
generous folks here may supply your answer; or, try PST Web Support 
at  http://support.pstnet.com/e%2Dprime/support/login.asp , where 
they strive to respond to all requests in 24-48 hours at no charge.

Regards,
-----
David McFarlane
E-Prime training 
online:  http://psychology.msu.edu/Workshops_Courses/eprime.aspx
Twitter:  @EPrimeMaster (twitter.com/EPrimeMaster)


At 3/29/2012 07:31 AM Thursday, you wrote:
>I'm new in eprime and so I realize that this will be a beginner
>question.But I really need some help!
>
>I programmed an experiment in which participants will see first a
>block of English words and then a block of Dutch words (or the
>contrary, order was counterbalanced). The 40 words they will see in
>the first block will be chosen pseudo-randomly from a list of 80
>words. In the second block they will see their translations. I found a
>way to do it with Nested lists (without scripts).
>
>Each participant will see 10 EnglishPositive, 10EnglishNegative, 10
>EnglishNeutral, 10English Taboo and 10 DutchPositive, 10DutchNegative,
>10 DutchNeutral and 10DutchTaboo words.
>
>I insert a column with the title "marker", being the options 1,2,3,4
>for the english words and 5,6,7 and 8 for the dutch words
>(corresponding to the type of words).
>
>I would like to know the inline I should write and where so that I
>would have 8 different types of events in BIOPAC. I saw this one:
>
>xxx.OnsetSignalEnabled = True
>xxx.OnsetSignalPort = &H378
>xxx.OnsetSignalData = 1
>
>xxx.OffsetSignalEnabled = True
>xxx.OffsetSignalPort = &H378
>xxx.OffsetSignalData = 2
>
>But I if I put like this
>
>marker.OnsetSignalEnabled = True
>marker.OnsetSignalPort = &H378
>marker.OnsetSignalData = 1
>
>marker.OffsetSignalEnabled = True
>marker.OffsetSignalPort = &H378
>marker.OffsetSignalData = 2
>
>I'm not sure if it will specified the type of words (events) in
>Biopac.
>
>Here you have the es. file
>http://dl.dropbox.com/u/31016950/CAmarch2012quaseEXP.es
>
>Thank you for your attention
>
>Catarina

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