“The key finding is that perception of pain does not depend only on the tissue-damaging stimuli, it also depends on other nearby stimulations, and on the spatial pattern that all the stimuli form. Thermal Grill Illusion (TGI) feels painful because of a three-way interaction between the nerves’ pathways that tell the brain about warmth, cold, and pain,” she added.
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Explore This IssueJune 2015
The European Union Seventh Framework Program funded the research. The authors reported no conflicts of interest.