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Visual Input During Prolonged Lateral TiltPosition: Contribution to the Subjective VisualVertical


Fumiyuki Goto M.D. Ph.D

Department of Plastic and Reconstructive Surgery, Baylor Scott & White Health, Temple, Texas, USA

Correspondence to Author:  Fumiyuki Goto M.D. Ph.D


Objective: The purpose of this study was to look into how healthy male subjects’ subjective visual verticals (SVV) changed after prolonged lateral body tilts in both light and dark environments. Aim: Both sitting and lying down positions allowed for the acquisition of static SVVs. The patient was advised to lie down and remain in that position for the subsequent series of recordings once the measurement was completed in the sitting position. SVV was assessed right away and eight more times at intervals of 15 minutes. Finally, the individual was placed back in the sitting posture, and the SVV was assessed both in light and darkness, right away and after 15 minutes. Conclusion: The subjective awareness of the contralateral tilt of the real vertical is a phenomenon that may contribute to maintaining one’s head in the vertical position, according to a comparison of SVVs in dark and light conditions. We suggest that one of the key inputs to stabilise visual vertical is this visual effect. Therefore, sustaining one’s upright position on earth would require visual input.

Vestibular; Subjective visual vertical; Otolith; Ocular counterrolling


Fumiyuki Goto. Visual Input During Prolonged Lateral TiltPosition: Contribution to the Subjective VisualVertical. Clinical Imaging and Case Reports 2022

Journal Info

  • Journal Name: Clinical Imaging and Case Reports
  • Impact Factor: 2.709**
  • ISSN: 2770-9205
  • DOI: 10.52338/cicaserep
  • Short Name: CICASEREP
  • Acceptance rate: 55%
  • Volume: 6 (2024)
  • Submission to acceptance: 25 days
  • Acceptance to publication: 10 days


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