Improving the resistance and resilience framework for aging and dementia studies

Area of Science:

• Neuroscience
• Gerontology
• Pathology

Background:

• The resistance vs resilience framework is gaining traction for understanding Alzheimer's disease (AD).
• This framework distinguishes between factors that halt AD pathologies and those that delay neurodegeneration and clinical symptoms.
• It offers a new perspective on coping (resistance) versus avoiding (resilience) mechanisms in AD.

Purpose of the Study:

• To clarify the application of the resistance vs resilience framework within the amyloid/tau/neurodegeneration (ATN) system.
• To delineate its use in lifespan and cognitive aging studies.
• To discuss challenges in linking these concepts to specific biological mechanisms.

Main Methods:

• Conceptual analysis and framework application within the ATN system.
• Exploration of lifespan and cognitive aging contexts.
• Discussion of challenges in biological mechanism identification.

Main Results:

• Resistance halts AD pathologies (amyloid/tau), while resilience delays downstream neurodegeneration (N) and clinical expression.
• Resilience is a lifespan-developed process involving brain reserve, maintenance, and cognitive reserve.
• The framework can extend to other pathologies like cerebrovascular lesions and Lewy body disease.

Conclusions:

• The resistance vs resilience terminology can enhance communication in aging and dementia research.
• It provides a structured approach for developing hypotheses and study designs.
• Further research is needed to identify resilience markers across the lifespan, particularly using longitudinal studies.