Sensorimotor integration during stance: Processing time of active or passive addition or withdrawal of visual or haptic information

S. Sozzi, M. C. Do, A. Monti, M. Schieppati

Research output: Contribution to journalArticlepeer-review

Abstract

Vision (V) and touch (T) help stabilize our standing body, but little is known on the time-interval necessary for the brain to process the sensory inflow (or its removal) and exploit the new information (or counteract its removal). We have estimated the latency of onset and the time-course of the changes in postural control mode following addition or withdrawal of sensory information and the effect of anticipation thereof.Ten subjects stood in tandem position. They wore LCD goggles that allowed or removed vision, or lightly touched (eyes-closed) with the index finger (haptic stimulation) a pad that could be suddenly lowered (passive task). In different sessions, sensory shifts were deliberately produced by opening (or closing) the eyes or touching the pad (or lifting the finger) (active task). We recorded eyelid movement and finger force (

Original languageEnglish
Pages (from-to)59-76
Number of pages18
JournalNeuroscience
Volume212
DOIs
Publication statusPublished - Jun 14 2012

Keywords

  • Addition
  • Haptic
  • Processing time
  • Sensorimotor integration
  • Vision
  • Withdrawal

ASJC Scopus subject areas

  • Neuroscience(all)

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