In our daily lives, we usually perceive an event via more than one sensory modality (eg,
vision, hearing, touch). Therefore, multimodal integration and interactions play an important
role when we use objects and for event recognition in our environment. A virtual
environment (VE) is a computer simulation of a realistic-looking and interactive world. VEs
should take into account the multisensory nature of humans and communicate with the user
not only through vision but also through other modalities. In addition to vision, hearing and …