Observing Touch from Video: The Influence of Social Cues on Pleasantness Perceptions
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In order to advance the understanding of affective touch perceptions, and in particular to inform the design of physical human-robot interactions, an online video study was conducted in which observed stroking touches were assessed on perceived pleasantness. Touches were applied at different velocities and either with a human hand, a robot hand, a mannequin hand, or a plastic tube. In line with earlier research, it was found that stroking touches with a velocity of ca. 3 cm/s were rated as most pleasant. Moreover, the subjective pleasantness scores suggest that the stimulus type interacts with the stroking velocity. The possible roles that social agency, expectations, and anthropomorphism may play in perceptions of pleasantness are discussed.
KeywordsAffective touch Top-down perception CT-Afferent fibers Human-robot interaction Video study
This publication was supported by the Dutch national program COMMIT.
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