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The uncanny valley (UV) effect is a negative affective reaction to human-looking artificial entities. It hinders comfortable, trust-based interactions with android robots and virtual characters. Despite extensive research, a consensus has not formed on its theoretical basis or methodologies.
1 Introduction. Human physical and behavioral realism heightens empathy for robots, which in turn enhances social interaction [34, 51]. This is advantageous in settings where it is preferred to have the observer expect humanlike performance from the robot, such as a robot portraying a standardized patient dur-ing a trainee’s assessment [18,21].
Mori (1970) proposed a hypothetical graph describing a nonlin- ear relation between a character s degree of human likeness and the emotional response of the human perceiver (Fig. 1 ).
1 Μαρ 2023 · The Uncanny Valley (UV) theory predicts that imperfectly human-like artificial agents elicit negative reactions in perceivers. While to date most studies investigating the UV have been behavioral, there is a growing number of neuroscientific studies that hold the potential of shedding light on the automatic processes related to the UV.
1 Νοε 2010 · The set of uncanny valley indices developed in the current study are new measures for human perceptions of anthropomorphic characters that reliably assess four relatively independent individual attitudes.
28 Οκτ 2016 · Mori [42] illustrated the uncanny valley effect by drawing a valley of eeriness in a graph that otherwise depicts a positive relation between human likeness and affinity. A similar curve approximated ratings of a large sample of real-world robots, though with considerable variance (\ (R^2_ {\mathrm {adj}}=.29\)) [36].
Using a hypothetical graph, Masahiro Mori proposed in 1970 the relation between the human likeness of robots and other anthropomorphic characters and an observer’s affective or emotional appraisal of them. The relation is positive apart from a U-shaped region known as the uncanny valley.
