Correlations are Strong Between Different Aspects of Cognitive Decline

Source https://www.fightaging.org/archives/2022/02/correlations-are-strong-between-different-aspects-of-cognitive-decline/

The evidence from this study points to a tight coupling between age-related losses in different areas of cognitive function. This is more or less what one might expect to occur in a complex system that is undergoing chemical and small-scale structural damage. Such damage will tend to affect all emergent properties of the system. The goal of medical research and development should be to find ways to repair that damage and restore function, not attempt to otherwise compensate for ongoing losses.

At the age of 20, people usually find it easier to learn something new than at the age of 70. People aged 70, however, typically know more about the world than those aged 20. In lifespan psychology this is known as the difference between “fluid” and “crystallized” cognitive …