JoshuaBaker
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my pleasure!
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feel free to email me so that i can assist you further (I also have a guide I have made) joshua.baker@ntu.ac.uk
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you can still randomise your trials and see in what order they appeared. that's what a logger can do. you can make sure that all the information you need in a trial (e.g. what picture it was, what colour it was, what size it was, what condition (e.g…
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of course. you just need to select a bunch of variables to log in the logger item. untick the 'log all variables', and manually type in a few are going to be useful. type them exactly as they appear in the loop trial table. so, picture, item1, item…
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don't think that's an OpenSesame problem. Sounds like your keyboard or mouse is auto-selecting everything you type, then pressing return removes it. I don't know what to suggest. re-plug in your keyboard.see if that works
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Ah! do it is a form. create a form with 12 buttons on.
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make sure you select 'droid' as the backend. I thought touch response came with the default version of opensesame?
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Not exactly helpful but it might be possible to mod the touch_response item, which is used for touch screen devices. this superimposes a predefined grid, in which responses are allocated to each cell of the grid. So, you could create a grid which is…
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set the duration of the sketchpad to '0', then have your keyboard response item with a timeout value (either infinite or a time in ms). If duration is for the sketchpad is 'keypress', then it will move on to the next item after a keypress, which is …
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Sorry! i realise you can drag a new sequence into a loop
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no no, no need for 36 sketchpads! just the one sketch pad. open the sketchpad on the left hand side there are a number of icons (one being a picture insert). click that, and select the images from your filepool. You need to add all stimuli into your…
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Hi Sofiaa, you can create your trial list in a loop item. Just create some variables with a number of 'cycles' (i.e, trials). then in the top right of the loop item is an option to run sequentially or randomly. choose random! the loop will then run…
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problem solved! I didn't even bother having a 'wait' variable. I simply presented a blank sketchpad with a zero duration and had an inline script after it containing. self.sleep(3000-exp.get('response_time_keyboard_response')). looking at the log …
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Thanks Josh. Everything is in the correct place, it just decided not to work :/ I've had success with doing it before, but for some reason it no longer works. Ideally I would have a blank screen presented for the variable duration and so a self.slee…
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PROBLEM SOLVED. THANK YOU
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please ignore this thread. Sorted
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oops, the HTML part dissapeared when posting the code above... one moment..
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Thanks for this Sebastiaan! I've managed to get it working before your response. I ended up closing the while loop and basically ended up driving the stimuli through the same inline script. Thanks for your advice :)
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ignore the last conditional statement. Any thoughts on this? Many thanks
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Hi Sebastian, ive had a look at the link and im starting to make sense of it. Im wanting to drive my stimuli with a normal item structure, but just continuously monitor the keyboard in an inline script. Could you please comment on the below code? ma…
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Hi Sebastiaan, That's exactly right. I will have a gander at the code you suggested in the link
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no longer a problem. Thank you
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OK things are looking good. It is no longer adding 1. Instead of doing io.DlPortWritePortUchar(port, trigger) when trigger = 0 i have now done io.DlPortWritePortUchar(port, 0)
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yes it is adding a 1 to each trigger on the BioSemi system. BioSemi displays decimal triggers. One problem that does occur when importing BioSemi into EEGlab is that the triggers are being sent in 8bit, however BioSemi adds an extra 8 bits (i'm real…
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i would just want it to be clearer. i.e. have fname in column 1 and then all the relevant variables following it. As it stands in an experiment i am building at the moment, fname appears about 5 columns in and it is not so clear straight away as to…
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i would insert a synth object from the GUI into your sequence and do run if [acc]<50. Also you said you inserted the script immediately after the practice loop. This means it will not beep during the practice loop, only after the participant has …
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Hi Johannes, I purchased the card and it is working! well, i'm getting some triggers. the problem is, the resulting triggers on my Biosemi system are displaying trigger+1. Did you have this problem? Also, when sending a trigger in a loop, it only e…
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Thank you Johannes, I will be sure to give this a try. Thanks for your time
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ah ok i see what you're doing. Fantastic. Thanks again Edwin you've been very helpful today