Presenting a white noise in ~10% of the trials in a block

Comments

• eduard

  March 2017

  Hi,

  In the loop_table of your block loop, you can have a variable called block_type that can have the values noise, no_noise. Next, in the loop table of your trial_loop you add a variable trial_type with the values noise or no_noise. Finally, in the trial_sequence, you change the show_if fields of your noise patches to [block_type]='noise' and [trial_type]='noise'. That is an example, you can do it in many many different ways. I hope this gives you enough ideas to get started.

  Eduard

  
• mfp49

  April 2017

  Dear Eduard
  Many thanks for the instruction.
  That really works.

  Peace,
  Masoud