Pausing experiments and sound stimuli question

[Tony Zuccolotto]

Hi,

The other way to do this is to look in the E-Basic under
Get/SetUserBreakState.  This is built in functionality in E-Prime to set
a flag anytime the key sequence <Shift><Ctrl> is hit.   This is
different than the <Shift><Ctrl><Alt> sequence.   Using
GetUserBreakState you can determine if the sequence has been hit and use
InLine script to take action.   The flag will stay set until you
manually reset it using SetUserBreakState.   If trials are relatively
short then just having an InLine at the beginning of end of a trial that
checks for this and then puts up a TextDisplay that waits for a key from
you to resume should work fine.

Regards,
Tony

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> -----Original Message-----
> From: Jeff Maxwell [mailto:jsmaxwell at students.wisc.edu]
> Sent: Friday, February 22, 2002 1:02 PM
> To: 'Jenny Thomson'
> Cc: eprime at mail.talkbank.org
> Subject: RE: Pausing experiments and sound stimuli question
> 
> 
> regarding the pause issue, i haven't tested this and there might be a
> much easier way :)  try creating a very simple procedure in your
> experiment consisting of a blank or "pause" text object (-1 ms
> [infinite] duration, set to terminate with a particular 
> response].  you
> wouldn't call this procedure in your normal list of events.
> 
> then setup your experimental procedure(s) to allow input (such as "P")
> into an object that is routinely called (e.g. a wait object used to
> separate trials; "ITIinterval").  follow ITIinterval with a script
> object and use an "if then else" statement to monitor input to
> ITIinterval (e.g. ITIobject.RESP value) and whenever that 
> value is equal
> to your pause command ("P"), jump/goto a couple of additional lines of
> script that invoke the PauseProc procedure. 
> 
> good luck, and if you learn of a way to send multiple event markers
> during the course of a single long event, please let me know.
> 
> cheers,
> max    
> 
> 
> 
> -----Original Message-----
> From: eprime at mail.talkbank.org [mailto:eprime at mail.talkbank.org] On
> Behalf Of Jenny Thomson
> Sent: Friday, February 22, 2002 2:48 AM
> To: eprime at mail.talkbank.org
> Subject: Pausing experiments and sound stimuli question
> 
> 
> We are currently developing a paradigm where a series of sounds are
> presented to children as part of an ERP study (i.e. long blocks of
> sounds not requiring behavioural responses for continuation)
> 
> 1. We need a possibility of pausing the experiment if the 
> child needs a
> break, but can only seem to find the abort command  
> (Ctrl+Alt+Shift ) to
> do this - has anyone got a more elegant way to pause experiments mid
> flow?
> 
> 2. We are also thinking of using continuous sound waves in some
> conditions - has anyone tried this with EGI/Netstation and 
> know of a way
> of sending trigger tags to Netstation WITHIN the course of one sound
> wav.?
> 
> Thanks,
> Jenny Thomson
> Psychology Dept., 
> University of Jyväskylä, Finland
> 
> 
> 
>