Sagar A. Vankit, Samaneh Zamanifard, Deyrel Diaz, Christos Mousas, Kelly Richardson, Andrew T. Duchowski, Matias Volonte
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Abstract
This study examines how multimodal communication strategies (subtitles, visualizations, and their combination), affect memory retention, attitudes toward behavior change, and cognitive load during long conversations (+20 min) in immersive virtual reality (VR). Using embodied conversational agents to educate participants on diabetes and healthy eating, we found that all conditions effectively improved memory retention and behavior change attitudes. However, the combination of multimodal strategies increased cognitive load, suggesting a trade-off between engagement and cognitive demands. These findings highlight the potential of long VR conversations for healthcare education, while emphasizing the importance of balancing cognitive demands and exploring personalization for diverse users.
期刊介绍：
With the advent of very powerful PCs and high-end graphics cards, there has been an incredible development in Virtual Worlds, real-time computer animation and simulation, games. But at the same time, new and cheaper Virtual Reality devices have appeared allowing an interaction with these real-time Virtual Worlds and even with real worlds through Augmented Reality. Three-dimensional characters, especially Virtual Humans are now of an exceptional quality, which allows to use them in the movie industry. But this is only a beginning, as with the development of Artificial Intelligence and Agent technology, these characters will become more and more autonomous and even intelligent. They will inhabit the Virtual Worlds in a Virtual Life together with animals and plants.
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