Spatial, not temporal cues drive predictive orienting movements during navigation: A virtual reality study

Renato Grasso, Yuri P. Ivanenko, Joseph McIntyre, Isabelle Viaud-Delmon, Alain Berthoz

Research output: Contribution to journalArticle

Abstract

A fundamental property of the human brain is the ability to make predictions of future sensory and motor events. We have recently found that steering manoeuvres when walking along curvilinear trajectories are controlled by an anticipatory guidance of the direction of head (and eyes). However it is unclear whether a time-related or space-related signal triggers such anticipatory head orienting movements. By simulating navigation along a multi-legged virtual corridor we show that anticipatory orienting movements are triggered (in standing subjects) by reaching specific locations rather than by the time to the approaching corridor's bend. Similar to what happens in car driving, specific spatial features of the route rather than time to collision seem to drive steering. (C) 2000 Lippincott Williams and Wilkins.

Original languageEnglish
Pages (from-to)775-778
Number of pages4
JournalNeuroReport
Volume11
Issue number4
Publication statusPublished - Mar 20 2000

Keywords

  • Anticipation
  • Humans
  • Locomotion
  • Spatial orientation

ASJC Scopus subject areas

  • Neuroscience(all)

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