The paper “Technologies for Multimodal Interaction in Extended Reality—A Scoping Review” aims to provide a comprehensive overview of multimodal interaction technologies for Extended Reality (XR), which includes virtual, augmented, and mixed realities.
The review focuses on head-mounted display (HMD)- based systems, examining how various human senses, such as touch, sound, and sight, are integrated beyond the conventional visual and auditory channels.
The paper seeks to guide XR practitioners and researchers in improving and expanding interaction techniques for more immersive experiences by reviewing the latest advancements and identifying underexplored areas.

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