I always come back to Matthew Whaley’s paper on PPPD one quote from which promptly comes to mind
”It is suggested that dizziness becomes persistent when it is processed as a threat, and that it is maintained by: (1) unhelpful appraisals, (2) avoidance and safety behaviours, and (3) attentional strategies including selective attention to body sensations associated with dizziness.”
The ‘dizziness’ referred to is that Perceptual type as in Persistent postural-perceptual dizziness aka PPPD. Others interested in tackling that type could do a lot worse than read the tips on the last two pages on the article recently uploaded by @DizzyDame on her thread entitled