We present and validate a novel and portable IVR setup conceived for studying the predictive mechanisms associated to action observation. The setup implements an interactive throwing-catching task in which participants have to intercept balls thrown from a virtual character. To validate the setup, we performed a preliminary experiment in which participants had to intercept balls thrown by different throwers, under different ball/thrower visibility conditions. Non-expert adult participants were able to extract information from an observed throwing action to improve their interceptive performances. This ability was modulated by the throwing strategy (e.g. throwing from a fixed stance with respect to throwing with stepping corresponded to worse interceptive performances). These preliminary results validate our setup as a novel tool for exploring how humans access and make use of information from observed actions to optimize interpersonal interactions. Importantly, the proposed setup could be used as a tool for early diagnosis of pathologies in which predictive skills are progressively impaired.

Catching virtual throws: An immersive virtual reality setup to evaluate human predictive skills

Maselli, Antonella
Primo
;
d’Avella, Andrea
Ultimo
2018-01-01

Abstract

We present and validate a novel and portable IVR setup conceived for studying the predictive mechanisms associated to action observation. The setup implements an interactive throwing-catching task in which participants have to intercept balls thrown from a virtual character. To validate the setup, we performed a preliminary experiment in which participants had to intercept balls thrown by different throwers, under different ball/thrower visibility conditions. Non-expert adult participants were able to extract information from an observed throwing action to improve their interceptive performances. This ability was modulated by the throwing strategy (e.g. throwing from a fixed stance with respect to throwing with stepping corresponded to worse interceptive performances). These preliminary results validate our setup as a novel tool for exploring how humans access and make use of information from observed actions to optimize interpersonal interactions. Importantly, the proposed setup could be used as a tool for early diagnosis of pathologies in which predictive skills are progressively impaired.
2018
9783319952697
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/3128098
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