VR‐based Physical Activity Improves Cognition in Frail Nursing Home Residents with Diagnosed or Suspected Dementia in Hong Kong
Bibliographic record
Abstract
BACKGROUND: Physical activity is a promising clinical intervention for slowing the progression of Alzheimer's disease. But it understudied in people with frailty. METHOD: A rehabilitation bike with immersive familiar VR streets in Hong Kong was provided for this physical activity intervention program. A total of 21 frail nursing home residents (age: mean = 81.17, sd = 9.06) with diagnosed or suspected dementia participated in a 12-week physical activity (PA) intervention program to verify if PA can improve cognition. All participants continued their standard care if any. Cognition (Montreal Cognitive Assessment/MoCA) and physical function (Activities of Daily Living/ADL-BI) were assessed before and after the intervention program. RESULT: MoCA scores improved significantly following the 12-week physical activity intervention, increasing from a mean of 14.39 (SD 5.59) to 17.61 (SD 7.41), with a mean difference of 3.22 (p <0.001). CONCLUSION: VR-based physical activity is an effective intervention for improving cognition in frail nursing home residents with diagnosed or suspected dementia. This results demonstrated the potential to slow the progression of AD.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".