Benign paroxysmal positional vertigo (BPPV) is the most common cause of vertigo which is experienced as the illusion of movement. Symptoms are due to inner ear dysfunction. Otoliths become detached from the macula (the utricle-based receptor for detecting head position and movement) into the semicircular canals. These are affected differentially due to anatomy:1
This is a companion discussion topic for the original article at https://patient.info/doctor/benign-paroxysmal-positional-vertigo-pro