Anodal transcranial direct current stimulation of MPFC enhances humor processing.

Or in simpler terms: electrically stimulating the medial prefrontal cortex of the brain can make jokes seem funnier.

…our data suggest that MPFC stimulation improved the ability to identify a non-humorous incongruent element and to recognize the humorous element of the scene.

I’m sure there’s a weird wearable device opportunity out there somewhere.

From the paper’s figure 1, here’s some of the supposedly humorous vs non humorous examples of comic strips the researchers tested with, judge for yourself.