Event marking for stimulus response applications: Skin Conductance with E-Prime

Wed Apr 9 17:20:04 UTC 2014

Michiel, 

This is great. I'll try it out soon and report back.

Thank you!

On Wednesday, April 9, 2014 11:58:18 AM UTC-4, Michiel Sovijärvi-Spapé 
wrote:
>
> Hi,
>
> No problem – I do that myself.
>
> Parallel port: 
>
> In general, you write in the user script:
>
> Dim outport As Integer
>
>  
>
> Then, in the beginning of the experiment an inline with:
>
> outport = &H378 ‘this being my parallel port – not the same for everyone
>
>  
>
>  
>
> writeport outport, 1 ‘sends 1 when the command is encountered
>
> ‘or:
>
>  
>
> ShowsWord.OnsetSignalData = 2 ‘sends 2 when ShowsWord is shown (a 
> textdisplay here)
>
> ShowsWord.OnsetSignalEnabled = True
>
> ShowsWord.OnsetSignalPort = Outport
>
>  
>
> Hope that helps!
>
> Best,
>
> Michiel
>
>  
>
> PS: features: like wireless (“enabling mobile”).
>
>  
>
>  
>
> *From:* e-p... at googlegroups.com <javascript:> [mailto:
> e-p... at googlegroups.com <javascript:>] *On Behalf Of *LYT
> *Sent:* 9. April 2014 18:12
> *To:* e-p... at googlegroups.com <javascript:>
> *Subject:* Re: Event marking for stimulus response applications: Skin 
> Conductance with E-Prime
>
>  
>
> My mistake--Michiel, not Michael!
>
>
> Best,
> Lawrence
>
> On Wednesday, April 9, 2014 10:33:45 AM UTC-4, LYT wrote:
>
> Hi Michael,
>
>
> Thanks for your reply! I haven't been able to set it up such that triggers 
> can be received (if I understand what that means). I imagine I would also 
> utilize the parallel ports, however from what I have read so far some 
> in-line code is required to tell E-Prime when to signal that an event has 
> occurred (unless I am mistaken).
>
>  
>
> No worries about ranting haha--it's another way to share ideas. Also, what 
> kind extra features are you referring to? 
>
> On Wednesday, April 9, 2014 10:15:10 AM UTC-4, Michiel Sovijärvi-Spapé 
> wrote:
>
> Hi,
>
> How’s your Biopac EDA recorder receiving triggers? I use EDA with a 
> Brainproducts QuickAmp, which just gets a trigger input via the PC’s 
> parallel port. Which is extremely simple to arrange.
>
>  
>
> Funnily, I just had a discussion on the topic of wireless items in EEG and 
> such: in general, I have seen few scenarios where one isn’t paying extra 
> for a feature which eventually sounds a lot better than it is. Personally, 
> I like my subjects sitting in the lab, as fixed as possible, while my 
> stimulus computer is a big box, my ideal screen is a CRT, and the timing is 
> controlled with the serial port for sublime timing. But perhaps I should 
> think more “out of the box”, i.e. out of the lab!
>
>  
>
> Sorry for the rant!
>
> Best,
> Michiel
>
>  
>
> *From:* e-p... at googlegroups.com [mailto:e-p... at googlegroups.com] *On 
> Behalf Of *LYT
> *Sent:* 9. April 2014 09:01
> *To:* e-p... at googlegroups.com
> *Subject:* Event marking for stimulus response applications: Skin 
> Conductance with E-Prime
>
>  
>
> Hi all,
>
>
> I know this topic has been covered extensively before but for each post I 
> look at the initial steps have already been completed, which is making it 
> difficult for me to find where to start. If someone could point me in the 
> right direction I'd greatly appreciate it! Here's my situation:
>
>  
>
> I am planning on using skin conductance equipment, or Biopac's EDA 
> equipment (wireless), while having participants view stimulus via an 
> E-Prime program. I want to have the biopac equipment paired up the E-Prime 
> program where the event timestamp is recorded, allowing for comparison of 
> event and skin conductance rate.
>
>  
>
> Thank you!
>
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