Multiple response

[MatthieuFra]

Hi !

I'm working on an experiment with two task.
The first one is a classic SART for which I did all the code and it's working fine.
My second task have to be done in the same time.

More precisely, I have a background sound, launch with an htmlButtonResponse using a On_finish function with .
This sound contain some targets. When one target occurs, I want the subject to respond using the spacebar.
The subject has to complete the two task in the same time, following the code for the first task, and paying attention to the background sound.

I know the time code of the target of the sound. So I just have to get the time event for the spacebar, in addition to the normal task.

How can I do that ? Is it possible to have two choices for response in plugin, but, only one ends trial ? How can I "record" the spacebar hit, in addition of all the data from my main task ?

Thanks a lot !

[MatthieuFra]

Can I use something related to the "persistent keyboard listener" described in jsPsych.pluginAPI ?
I'm not sure how to proceed. Thanks !

[MatthieuFra]

Actually I find a way to do it, but I'm not sure it's the cleanest way.

Here's the code : (if it can be a clue for anyone needing something similar)

// It's into the var jsPsych = initJsPsych that I do that.

     on_trial_start: function() {
        let keyPressEnter = null
        let rtKey = null
        var pressC = function(info){
        console.log("Touche ENTREE pressée à " + info.rt +  " ms")
        keyPressC = true
        rtKey = info.rt
        }
        var keyboardC = jsPsych.pluginAPI.getKeyboardResponse({
          callback_function: pressEnter,
          valid_responses: ['enter'],
          rt_method: 'performance',
          persist: false,
          allow_held_key: false,
        })
  },

This way I can record the response in addition to my main task, with having in the data the rt and if the touch is pressed.

If you have any better suggestion , I'm interested ! I think that I'm starting to need to be able to modify directly plugins instead of that kind of code, so let's refresh my js!

Thanks