I have been developing a dot motion discrimination task since January and everything was working fine. What my script does is that it creates hundreds of randomly moving dots and at a certain point, dots start moving in a certain direction (left or right) with a certain coherence, e.g., 80% of the dots move to the right for 1 second, and the goal is that the user presses a different key according to which direction the points are moving towards. This then repeated itself for however many trials I set.
Anyways, the script worked perfectly fine until the other day. It stills works fine in one computer, but it stopped working on my personal computer. I thought it could have been because I installed an anti-virus but I already uninstalled it and nothing is solved. What happens is that the dots now move super slow and when it gets to the time where they should move in a certain direction, they simply don’t, they just keep moving randomly. I’ve ran the same exact code in another computer and it worked just fine.
Anyone has any idea of what could be going on?