Positive Phototaxis
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
Moths do not intend to commit suicide; they navigate by moonlight. However, with the advent of artificial light sources (fire, lamps), the previously correct navigation mechanism (maintaining a fixed angle to the light) causes them to spiral into the fire.
SCAFFOLDING EFFECT
Reduce cognitive load
The failure of an old mechanism under sudden environmental change. Our brains (craving sugar, seeking short-video pleasure) are navigation mechanisms designed for the ancient environment of scarcity. In the modern environment of abundance (artificial light), these instincts can lead us to spiral into destruction like moths. We must use rationality (sunglasses) to correct our instincts.
Anchor fast decisions
Moths navigate at night by maintaining a fixed angle to the moonlight (parallel light), which is a robust strategy; artificial point light sources make the light radial, and the fixed-angle navigation degenerates into a spiral toward the light. It reveals that effective mechanisms evolved for the old environment can systematically fail or even be fatal in the new environment (artificial light). Transfer to humans: ancient instincts (sweet cravings, novelty seeking, immediate feedback) similarly spiral out of control in the modern environment of abundance.
MINIMUM ACTION
In progress 0/3Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Phototaxisverified
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