Efecto de la actividad física aeróbica sobre el deterioro cognitivo leve y estadios tempranos de demencia en personas mayores
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Bibliographic record
Abstract
Introduction: Increasing evidence supports that recurrent physical activity programs, especially those of the aerobic type, may have beneficial effects on cognitive function in older people who have cognitive impairment. Objective: To analyze the effect of an aerobic physical activity program on the cognitive status of older people with mild cognitive impairment (MCI) and early stages of dementia. Methods: A randomized clinical trial was conducted with 62 older people from 8 civic centers in the city of A Coruna (72.48 ± 4.99 years). The Experimental Group (EG; n = 31) performed a progressive aerobic exercise program, consisting of city park walks (3 days per week / 1 hour duration / 3 months). The Control Group (CG; n = 31) performed a non-aerobic passive program. Both groups were assessed pre- and post-intervention using neurocognitive instruments: Mini-Mental State Examination (MMSE), Isaac Semantic Fluency Test (TFVs), Wais III Digits Test (TDG-Wais), Trail Making Test A (TMT-A) and physical tests: Six-Minute Walking Test (6MWT), Timed Up and Go (TUG) and Walking Speed in 6 Meters (VM-6m). Results: 57 people completed the study. The EG improved in all the physical tests over CG (p<0.05), only the MMSE and the TDG-Wais improved over CG with a mean post-intervention difference of 1.28 and 1.56 points respectively (p<0.05). The other cognitive tests improved only within the EG. A linear correlation was found at the end of the study between the distance walked in the TM6M and the score obtained in the MMSE. Rho = 0.407 (p<0.001). Conclusion: A three-month moderately-vigorous intensity aerobic training program positively impacts the cognitive performance of older people with MCI and mild dementia.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.005 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.002 | 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 it