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[open] differentiated mouse responses

edited October 2013 in OpenSesame

Hey all,

is it possible to collect mouse responses in which clicking the left key is different from clicking the right key? (rather than just clicking in general)


  • edited 12:58PM


    You could use the mouse_response item. This will create a variable called 'response' (similar to the keyboard_response item). The value for this variable is 1 if the left button is pressed, or 3 when the right button is pressed.

    Does that help?

  • edited 12:58PM

    Ah, yes, I didn't know they were already differentiated. So I should fill either 1 and 3 at the correct response section whenever I want participants to click respectively either left or right?

  • edited 12:58PM

    Hi Wouter,

    I think it's most convenient if you define the correct responses (i.e., 1 or 3) in your block loop, and not in the mouse_response item. So:


    You can find a working example experiment here (simply download and "save as" with the extension ".opensesame"):



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