Self-motion perception describes the sensation of head or body movements in space. It is one of the most important perceptual systems in humans and animals alike. Without it, effective navigation through space would not be feasible. Self-motion perception is based on the multisensory integration of vestibular, visual, and proprioceptive signals. Previous research has shown that self-motion perception relies on a relatively large network of cortical and subcortical brain regions that interact with each other. In my talk I will describe on-going work in healthy human participants, who experience visual and vestibular cues to self-motion during MR brain imaging. Structural and functional connectivity analyses of the major visuo-vestibular pathways point to a complex network in lateral and medial brain regions underlying self-motion perception.
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