Using an InLine script for PortOut on multiple ImageDisplays

[acadw]

In case it wasn't clear, I am trying to avoid using 23 different
InLine scripts, one for each ImageDisplay, and instead place one
InLine at the beginning of the Procedure that uses a variable that can
refer to each ImageDisplay.

On Apr 1, 1:05 am, acadw <CadeWarren... at gmail.com> wrote:
> Hi all, fairly new to E-Prime, though I know most of the basics. I am
> working on an experiment which uses the BART task (balloon analogue
> risk task), which shows a series of balloons that gradually inflate
> bigger and bigger until they explode. There are three types of
> balloons, one of which is set to always explode after one set number
> of expansions (let's say 10 expansions), while the other two are more
> random; for one of these balloons, there are 8 different points at
> which the balloon will explode (let's say the 11th-18th expansions),
> and the final type of balloon will explode at 8 different expansions
> (let's say the 2nd-9th). The actual numbers aren't important, I'm just
> trying to give an idea of the task. Basically, the participant is to
> choose a point at which to stop before the balloon explodes (the task
> measures impulsiveness and is used with drug abusers and such).
>
> The E-Prime is set up with a series of ImageDisplays that is to call
> each picture of a balloon from whatever random list member it pulls
> on. So, if it pulls the balloon with fixed expansion, it will show the
> first picture on ImageDisplay1, second on ImageDisplay2, etc., until
> the user selects a certain balloon size or the balloon explodes. There
> are up to 23 ImageDisplays in this experiment, I believe.
>
> I am converting these experiments from a previous set-up that used
> IFIS (we do not need IFIS, so those settings have been deleted), and I
> am setting it up for fMRI using InLine scripts to dictate that certain
> information to be sent to the TTL output files for each ImageDisplay
> using a kind of Port to transmit particular Attribute information (in
> this case, a fingerpad for the participant to select a certain balloon
> size).
>
> My question is: do I need to place an InLine script for each of these
> ImageDisplays to send its information to the output TTL files upon the
> participant's selection, or is there a way to create some kind of user-
> defined variable in place of the ImageDisplay's name in the InLine
> script? My InLine script looks like this:
>
> TargetImage.OnsetSignalEnabled = true
> TargetImage.OnsetSignalPort = 888
> TargetImage.OnsetSignalData = c.GetAttrib("PortOut")
> TargetImage.OffsetSignalEnabled = true
> TargetImage.OffsetSignalPort = 888
> TargetImage.OffsetSignalData = 0
>
> Basically, the TargetImage can only be one defined object, yet I need
> it to be a variable that can refer to each ImageDisplay we have. Any
> thoughts?
>
> AC
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