In line with the first experiment, tactile perception was enhanced when subjects viewed touch toward a fearful face and not toward an angry face. In order to test whether this result can be generalized to other negative emotions or whether it is a fear-specific effect, we ran a second experiment, where participants watched movies of faces-touched or approached by fingers-with either a fearful or an angry expression (Experiment 2). Tactile perception was enhanced when viewing touch toward a fearful face compared with viewing touch toward the other two expressions. ![]() Participants were asked to distinguish between unilateral and bilateral felt tactile stimulation. Concurrently, they watched several blocks of movies depicting a face with a neutral, happy, or fearful expression that was touched or just approached by human fingers (Experiment 1). experiments, participants received tactile stimuli, near the perceptual threshold, either on their right, left, or both cheeks. ![]() Given the high social value of this mechanism, we investigated whether it might be modulated by specific key information processed in face-to-face interactions: facial emotional expression. ![]() The perception of tactile stimuli on the face is modulated if subjects concurrently observe a face being touched this effect is termed "visual remapping of touch" or the VRT effect.
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