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Prefrontal and Vestibular Cortex Activation During Overground and Treadmill Walking

  • Brian SylcottEmail author
  • Mark Hinderaker
  • Mason Smith
  • John Willson
  • Chia-Cheng Lin
Conference paper
  • 330 Downloads
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 1201)

Abstract

When walking on a treadmill, people can experience a sensory mismatch resulting from the lack of visual flow. In this study, functional Near‐Infrared Spectrometry (fNIRS) was used to investigate hemodynamic changes in the brain during overground and treadmill walking. Nine healthy right-handed subjects (25 ± 3 years) were recruited in this study. The test conditions included walking overground, on a split‐belt treadmill, and on a standard treadmill. Results showed significantly increased activity in the prefrontal cortex (PFC) and the temporoparietal junction (Vestibular Cortex-VEST) on both treadmills compared with overground walking. Walking on the standard treadmill significantly increased activation in the PFC and both the left and right VEST compared with the split‐belt treadmill. Our results suggest that walking on the treadmill provokes increased PFC and VEST activation. This finding may explain the fleeting sensation of dizziness after stopping walking on a treadmill.

Keywords

Treadmill walking Sensory integration Functional near-infrared spectroscopy 

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Copyright information

© The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2021

Authors and Affiliations

  • Brian Sylcott
    • 1
    Email author
  • Mark Hinderaker
    • 2
  • Mason Smith
    • 2
  • John Willson
    • 2
  • Chia-Cheng Lin
    • 2
  1. 1.Department of EngineeringEast Carolina UniversityGreenvilleUSA
  2. 2.Department of Physical TherapyEast Carolina UniversityGreenvilleUSA

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