two tasks at the same time

[Tony Zuccolotto]

Erin,

Can the tone sequences be prepared in a single wave file or is it the
case that the order, frequency, and duration of the tones cannot be
predetermined before the experiment runs?

Thanks,
Tony

> -----Original Message-----
> From: Erin S. Rogers [mailto:erin5 at stanford.edu]
> Sent: Tuesday, May 06, 2003 4:51 PM
> To: eprime at mail.talkbank.org
> Subject: two tasks at the same time
> 
> Hello,
> 
> Has anyone ever programmed two streams of tasks to run at the same
time in
> Eprime?  We are going to be running a version of the mismatch
negativity
> task, where a sequence of checkerboard images will be flashing at the
same
> time a sequence of tones will be playing.  We cannot do this with
Slide
> images because the checkerboards and tones have different durations.
If
> anyone can offer any assistance, it would be much appreciated.
> 
> Thank you,
> Erin
> 
> Laboratory of Clinical Neuroscience
> Department of Psychiatry and Behavioral Sciences
> Stanford University School of Medicine
> Stanford, CA 94305-5550
> Office: (650) 493-5000 ext. 67349
> Fax: (650) 493-4901
>