Senescence-Misinfluence Tendency
Updated 2026-08-11
INTRODUCTION
English translation pending.
CORE DEFINITION
One of Charlie Munger's psychological tendencies. The core claim is that ageing brings genuine declines in processing speed, working memory and the ability to suppress interference, and these weaken the integration of new information and the revision of old judgments. The key qualification is that the rate of decline depends heavily on how much the relevant capacities continue to be used, so age alone does not determine cognitive performance and experience can offset part of the loss.
SCAFFOLDING EFFECT
Reduce cognitive load
- Protected deep work: reserve a fixed block of hours for real thinking rather than routine administrative tasks - Distant learning: deliberately acquire a skill far outside your existing area of expertise - Younger partners: add a much younger collaborator to your most important judgments
Anchor fast decisions
Ageing reduces processing speed, working memory and interference control, which degrades the integration of new information and the revision of settled judgments. Continued use keeps the underlying circuits active and preserves the ability to update, so the trajectory depends on demand rather than on age alone. Where use stops, decline accelerates and the person also loses the capacity to notice what they can no longer assess.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- mungermodels.comhttps://mungermodels.com/models/senescence-misinfluence-tendencyverified
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