Several flickering tasks run simultaneously

[Michiel Spape]

Hi,
Well, yes, it can (given the right monitor), though you would obviously be looking at ways to code your frequencies in duration of stimulus + duration between stimuli (e.g. 10 Hz = one stimulus every 100 ms, therefore, an image taking 17 ms, and an ISI of 83, would give the effect). If, however, it is a psychophysical (or vision science) experiment, I'd suggest something like Psychopy, or Matlab, instead of E-Prime however, the latter being much more catered towards intricate psychological designs than vision science as such.
Best,
Mich

Michiel Spapé
Research Fellow
Perception & Action group
University of Nottingham
School of Psychology
www.cognitology.eu

-----Original Message-----
From: e-prime at googlegroups.com [mailto:e-prime at googlegroups.com] On Behalf Of pati-confidence
Sent: 06 July 2011 06:17
To: E-Prime
Subject: Several flickering tasks run simultaneously

I want to build a BCI system, which presents four targets on LCD
screen, with flickering frequencies of 12Hz, 10Hz, 8.6Hz and 7.5Hz.
respectively.

And the four targets are flickering simultaneously.

Can E-prime achieve the goal?

Any tips will be appreciate.  Thank you.

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