RCT Shows Cognitive Rehab Raises Goal Attainment to 53% in Long COVID Brain Fog

Seventy-eight adults in England with brain fog lasting at least three months set three functional goals each. Participants were randomized to weekly one-on-one video sessions teaching compensatory strategies such as task decomposition, external memory aids, and graded attention training, or to usual care. Therapists tailored content to work and home priorities rather than generic exercises. The primary outcome was a four-point or greater gain on a 10-point goal-attainment scale at six-month follow-up. Absolute difference reached 38 percentage points; number needed to treat was 2.6. Secondary measures of attention and memory showed smaller, non-significant shifts, indicating benefit was driven by functional application rather than restoration of raw cognitive capacity. This approach mirrors established protocols used in traumatic brain injury and multiple sclerosis yet has been under-deployed in long COVID, where symptoms are often framed as either untreatable or psychosomatic. The trial demonstrates that structured, low-tech rehabilitation can produce durable real-world gains without requiring new pharmacology. Scalability depends on training therapists already embedded in post-viral and neuro-rehabilitation services. Larger multicenter trials with active controls and cost-effectiveness analyses are required before guideline inclusion. Implementation studies should test delivery in primary care and measure equity across socioeconomic groups.