Functional brain activity in persistent postural-perceptual dizziness (PPPD) during galvanic vestibular stimulation reveals sensitization in the multisensory vestibular cortical network What is PPPD and why study it? Persistent postural‑perceptual dizziness (PPPD) is a chronic condition that causes ongoing dizziness and a sense of unsteadiness, especially when standing upright, moving, or in visually busy environments. It often follows a vestibular (balance) disorder, migraine, anxiety, or ...
