One study found that patients who believed their illness was out of their control showed the slowest progression to full recovery, long after the initial vestibular injury had healed.  The study revealed that the patient who compensated well was one who, at the psychological level, was not afraid of the symptoms and had some positive control over them. Notably, a reduction in negative beliefs over time was greater in those patients treated with rehabilitation than in those untreated. "Of utmost importance, baseline beliefs were the only significant predictor of change in handicap at 6 months followup."
The exercises may provide relief immediately, but a noticeable difference may not occur for several weeks. Many people find they must continue the exercises for years in order to maintain optimum inner ear function, while others can stop doing the exercises altogether without experiencing any further problems. A key component of successful adaptation is a dedicated effort to keep moving, despite the symptoms of dizziness and imbalance. Sitting or lying with the head still, while more comfortable, can prolong or even prevent the process of adaptation.