Abstract
AbstractGrid cells in entorhinal cortex (EC) encode an individual’s location in space and rely on environmental cues and multisensory bodily cues. Body-derived signals are also primary signals for the sense of self as the continuous application of visuo-tactile bodily stimuli elicits illusory drifts in perceived self-location. It is unknown whether illusory changes in self-location are sufficient to elicit grid cell like representation (GCLR) in EC and how this compares to GCLR during conventional virtual navigation. Our results show that illusory changes in perceived self-location (independent of changes in environmental navigation cues and explicit imagined navigation) evoke entorhinal GCLR, correlating in strength with the magnitude of perceived self-location, and characterized by similar grid orientation as during conventional virtual navigation. These data demonstrate that the same grid-like representation is recruited when navigating based on environmental, mainly visual cues, or when experiencing illusory forward drifts in self-location, driven by perceptual multisensory bodily cues.
Publisher
Cold Spring Harbor Laboratory
Cited by
1 articles.
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