Cortical involvement of lateral trunk flexion and verticality misperception in Parkinson's disease.

ABSTRACT: Lateral trunk flexion is a common form of postural abnormality in Parkinson's disease and could be associated with verticality misperception. However, the mechanisms underlying lateral trunk flexion and verticality misperception in Parkinson's disease remain unclear. In the current study, we examined whether lateral trunk flexion is associated with verticality misperception in patients with Parkinson's disease. We also identified the brain regions involved in lateral trunk flexion and altered verticality perception. In this cross-sectional study, we evaluated the verticality perception using the subjective visual vertical test in 81 patients with Parkinson's disease and 14 age-matched healthy controls. According to the 97.5th percentile upper reference limit of the body tilt angle in the h

SUBMITTER: Kohsaka M 

PROVIDER: S-EPMC11806416 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature