Games taken just at the moment said competitor was realizing the thrill of victory or the agony of defeat. From the paper's abstract:
There were no differences between congenitally blind, noncongenitallyAlso worth noting: Both blind and sighted athletes who had lost matches offered polite "courtesy smiles" during medal ceremonies.
blind, and sighted athletes, either on the level of individual facial
actions or in facial emotion configurations. ... These findings provide
compelling evidence that the production of spontaneous facial
expressions of emotion is not dependent on observational learning but
simultaneously demonstrates a learned component to the social
management of expressions, even among blind individuals.