minus229k1:

An interesting new study showed that the simple action of holding hands battles pain-sensations, since it synchronizing the partners’ breath and heart rates, as well as the brain-wave-patterns.

Conducted by the CU Boulder and the University of Haifa, the study also showed that the more empathy one has with their suffering partner, the more their brainwaves sync and the more the pain goes away.
The study is yet another one which piles up with others about interpersonal synchronisation, but is the first one about the brain-wave synchronisation in this context.

Furthermore, the researchers found that when one of the partners is feeling pain and the other cannot touch them, the synchronzied brain-waves disappeared, which is also true for the linked hear rate and respiratory synchronisation.