Help displaying clock while participants perform 1-back task

[Gabriela Cruz]

Hi, 

I would appreciate very much if someone can give me a hand with this. I 
have a 1-back task running and I want to display a clock on the screen 
every time participants press a key.

I checked the example "CountDownClock" but the issue in my case is that I 
want the clock to run from the beginning to the end of the experiment 
independently of stimuli presented for the 1-back task.

I guess it would have to be something like having a SlideText using half of 
the screen with a clock that starts running with the first stimulus of my 
1-back experiment. This clock would only be visible if participants press a 
key, as I want to register every time they check the clock, the SlideText 
containing the clock has to accept multiple responses over the duration of 
the whole experiment (~30min). In the other half of the screen I'd have my 
1-back task running, displaying stimulus every 2 seconds.

Have anyone ever done something like this?

Please any tip/suggestion or script sample will be more than welcome!

All the best!

Gaby

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