Hi, all, i have a RDK stimulus, which I would like to present with blurred edges, so that dots disappear gradually instead of abruptly when they move beyond the dot field’s area. Drawing a grating with a gaussian mask (as suggested here ) does not solve it because I need the central region of the …

Hi, thanks for the suggestion and sorry for the long time to respond. It took me a while to work this out. I tried following the suggestion in the link, but the result was actually the opposite of what I was looking for: a mask with opacity decreasing with distance fro m the center. I am not sure …

Blurred mask for RDK

Coding

djmannion April 3, 2018, 8:30pm 2

Something like this might work, if you set the mask to raisedCos rather than gauss.

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Blurred mask for RDK

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