Simultaneous EDA and fMRI collection from E-Prime experiment

[Paul Groot]

Hi Mike,

We have a similar setup at our MR-site, including the Biopac STP100C
interface. However, instead of a laptop we use a regular PC (minitower),
which has an expansion card with a parallel printer port (startech.com).
Our scanner has a digital TTL trigger output, which is connected to one of
the 8 inputs on the STP100C. The other 7 inputs are connected to the the
lower bits of the output pins of the printer port. (Using custom hardware
to connect it all together.) However, if you don't need to record the
scanner trigger with biopac, you can simplify things by just connecting the
eprime computer with the STP100C using the supplied cable.

I know there are printer port cards for laptops, but I'm not sure if those
are compatible with EPrime. You might have to use the new ParallelPort
device in EPrime 2.0 to send event markers to those cards. Direct IO (using
writeport etc.) to the IO registers might not be possible.

Paul




On 16 December 2013 20:34, Michael Stepanovic <mrstepanovic at gmail.com>wrote:

> Hello all,
>
> My team and I will be collecting imaging data concurrently with EDA (SCR)
> as a new phase of our project. We have experience with both modalities, but
> with each independent of the other. Given that we already have access to a
> BIOPAC MP150, MRI scanner, SCR electrodes, and stimuli coded in E-Prime on
> Windows, what additional modules/hardware do we need to collect this data
> appropriately and synchronously with the experiment? I believe we'd just
> need an STP100 module, but how would we connect the parallel port to our
> e-prime machine (a laptop)?
>
> Many thanks!
>
> Mike Stepanovic
> Clinical Researcher
> Massachusetts General Hospital
>
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