E-prime Triggers are partially but no completely read by Aquisition

[Paul Groot]

Gabriel,

I've read your post twice, but your description seems to have some
contradictory information, so I'm a bit lost there...

Anyway, EP2 pro has a new method for generating triggers by using so called
'Task Events'. Task events offer a more elegant solution if your script has
to create triggers when an input event occurs. Just have a look at these
pages:

http://www.pstnet.com/support/kb.asp?TopicID=4803
https://www.youtube.com/watch?v=0oxtfdZb0Fo


Paul



On 2 June 2014 20:16, Gabriel Mograbi <gabriel.mograbi at gmail.com> wrote:

> Dear All,
>
> I am a complete newbie in e-prime. A philosopher by formation venturing
> myself in a postdoctoral fellowship in neuroscience. And I an running
> against time to run an experiment before my fellowship finishes.
>
> I am having problems with sending triggers to the "Aquisition" machine.
>
> In my protocol I have 3 procedures (conditions) that divide the big list
> into 3. I have a first general Inline to open the ports. And I have an
> Onset Inline for each of the questions and each of the stimuli that can
> after the question. All that works. I can manage to make the machines send
> triggers when the question 1,2 and 3 appears and then when the 1,2 and 3
> stimuli appears. When I try to insert an InLine after the stimuli, the
> first trigger (the one that marks the onset of the question does not work
> anymore)
>
> So my list is divided in 3 procedures (conditions) and each has the
> following structure
>
> Text (ITI Fixation Cross with Jittered values)
> Inline
> question (Image Display with 2000 ms duration)
> Another ITI (Fication Cross with Jittered Values)
> Inline
> products (Stimulus/Image Display with fixed duration)
>
>
>
> My script runs like that. First in the beginning of the protocol:
>
> question2.OnsetSignalEnabled = True
> question2.OnsetSignalPort = &H378
> question2.OffsetSignalEnabled= True
> question2OffsetSignalPort = & H378
>
> products2.OnsetSignalEnabled = True
> products2.OnsetSignalPort = &H378
> products2.OffsetSignalEnabled= True
> products2OffsetSignalPort = & H378
>
> question1.OnsetSignalEnabled = True
> question1.OnsetSignalPort = &H378
> question1.OffsetSignalEnabled= True
> question1.OffsetSignalPort = & H378
>
> products1.OnsetSignalEnabled = True
> products1.OnsetSignalPort = &H378
> products1.OffsetSignalEnabled= True
> products1OffsetSignalPort = & H378
>
> question1.OnsetSignalEnabled = True
> question1.OnsetSignalPort = &H378
> question1.OffsetSignalEnabled= True
> question1.OffsetSignalPort = & H378
>
> products3.OnsetSignalEnabled = True
> products3.OnsetSignalPort = &H378
> products3.OffsetSignalEnabled= True
> products3.OffsetSignalPort = & H378
>
> Before each condition (specific procedure)
>
> I have a Inline like that
> question2.OnsetSignalData ="2"  and so on... for each of the question and
> products...
>
> That works all fine! But I have to use a trigger for the responses of the
> stimuli. Whenever I insert
>
> WritePort &H378,"11"  or any other value,
>
> transforming the procedure to this structure to:
>
> Text ITI (Fixation Cross with Jittered values)
> Inline
> question (Image Display with 2000 ms duration)
> Another ITI (Fication Cross with Jittered Values)
> Inline
> product (Stimulus/Image Display with fixed duration)
> InLine - WritePort &H378,"11"
>
>
> after each product object, the first trigger (related to the question)
> stops appearing in the aquisition machine. The Writeport command functions,
> the products onset keeps working, but the question that comes in the
> beginning of this condition stops appearing.
>
> I will be deeply grateful if you could help me out, as I tried various
> (hundreds of) diverse strategies to fix the problem and nothing seems to
> work!
>
> Best,
>
> Gabriel
>
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