Efficiency, capacity, compensation, maintenance, plasticity: emerging concepts in cognitive reserve.
Level 5 - mechanism / opinion, no new human data
Narrative theoretical review with no new human data or systematic review methodology.
PubMed 24018144 · doi:10.1016/j.tics.2013.08.012
What was done
This narrative review outlines the concept of cognitive reserve in aging, dementia, and brain damage, analyzing its potential cognitive and neural implementations alongside related constructs such as brain reserve, compensation, neuroprotection, maintenance, and plasticity.
What was found
The abstract reports no numerical findings or quantitative data. It presents a theoretical synthesis concluding that cognitive reserve is compatible with related concepts, but requires sharper conceptual boundaries to adequately explain preserved cognitive function amid aging or brain pathology.
Why it matters
The paper clarifies key theoretical boundaries in cognitive aging, helping researchers distinguish functional cognitive reserve from structural brain reserve and compensatory neural mechanisms.
Limits
This is a theoretical narrative review providing no original human data, quantitative analysis, or systematic review methodology.