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

[David McFarlane]

If you use EP2.0.10, then for outputting signals 
synchonized to various program events you might 
look into the new Task Events feature (instead of 
using the older and clumsier OnsetSignal... 
facility).  See the New Features/Reference Guide.

-- David McFarlane


At 4/9/2014 01:20 PM Wednesday, LYT wrote:
>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-SpapÃ(c) 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 â EURO ~this being my parallel port - not tthe same for everyone
>
>
>
>
>
>writeport outport, 1 â EURO ~sends 1 when the command is encountered
>
>â EURO ~or:
>
>
>
>ShowsWord.OnsetSignalData = 2 â EURO ~sends 2 when 
>ShowsWord is shown (a textdisplay here)
>
>ShowsWord.OnsetSignalEnabled = True
>
>ShowsWord.OnsetSignalPort = Outport
>
>
>
>Hope that helps!
>
>Best,
>
>Michiel
>
>
>
>PS: features: like wireless (â EURO oeenabling mobileâ EURO ).
>
>
>
>
>
>From: e-p... at googlegroups.com 
>[mailto:e-p... at googlegroups.com] On Behalf Of LYT
>Sent: 9. April 2014 18:12
>To: e-p... at googlegroups.com
>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-SpapÃ(c) wrote:
>
>Hi,
>
>Howâ EURO (tm)s your Biopac EDA recorder receiving 
>triggers? I use EDA with a Brainproducts 
>QuickAmp, which just gets a trigger input via 
>the PCâ EURO (tm)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 isnâ EURO (tm)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 â EURO oeout 
>of the boxâ EURO , 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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