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RESEARCH PAPER / 2025-01-08

Neural evidence of functional compensation for fluid intelligence in healthy ageing.

Ethan Knights, Richard N Henson, Alexa Morcom, Daniel J Mitchell, Kamen A Tsvetanov

Medical Research Council Cognition and Brain Sciences Unit, Cambridge, United Kingdom.Medical Research Council Cognition and Brain Sciences Unit, Cambridge, United Kingdom. · pubmed

Abstract

Functional compensation is a common notion in the neuroscience of healthy ageing, whereby older adults are proposed to recruit additional brain activity to compensate for reduced cognitive function. However, whether this additional brain activity in older participants actually helps their cognitive performance remains debated. We examined brain activity and cognitive performance in a human lifespan sample (

The following analysis is generated by AI and may contain errors. It is separate from the authors’ abstract and is not peer review.

Research summary

The paper investigates functional compensation in brain activity related to fluid intelligence in the context of healthy aging. While it touches on cognitive performance and brain activity in older adults, it does not address the root causes of aging or propose solutions for lifespan extension. The findings may contribute to understanding cognitive aging but are unlikely to have a significant impact on the broader field of longevity research.

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