A three-year study of nearly 4,000 adults ranging from age 19 to 94 found that brain health can improve at any age, challenging the common belief that mental sharpness must decline as we get older. Participants spent just a few minutes a day on brain-training activities, and researchers found measurable gains across multiple aspects of brain health, including thinking clarity, emotional well-being, and sense of purpose.
A reduced degrading is still a degrading.
If they beat their scores from before that’s still an improvement. That would imply that this isn’t just slowing the degradation but it’s actually reversing it slightly. Only slowing would imply that their scores would be worse, but less worse than expected.
You have very strong opinions about this for someone with such a fundamentally low level of reading comprehension.