Colors don't fade with age: your brain compresses them
Rods and cones don't wear out: the brain compresses colors and life seems grayer. The explanation, with data.
English · Original discussion in Spanish · Published
The eye isn't to blame. Rods and cones don't simply wear out over a normal lifetime. The most solid explanation for that loss of tonalidad intensity is a different one: the brain has learned to summarize.
The brain doesn't film, it archives
In childhood, the visual system is in a calibration phase. The brain prioritizes novelty and intensity to build its maps of the world; that's why colors seem more saturated. Over the years, it becomes efficient: it filters out redundant information to save energy. What you see isn't worse, it's an executive summary. Your first visit to the Sistine Chapel is a bombardment of raw data; by the second, the brain already has the .zip file of the experience and only unzips what it needs.
The eye ages too, though without drama
Presbyopia has to do with the lens, which hardens and yellows, and the ability to see in the dark declines with accumulated exposure to UV radiation. These are optical changes, not neurological ones, and they explain why the twilight of childhood felt more livable.
Nostalgia has its own light
Some argue that LED lighting, colder and more glaring, has stolen warmth from our nights. It's an environmental hypothesis, hard to separate from memory and one's own biography. The underlying question remains open: has the world lost tonalidad, or have we simply learned not to look at it? Perhaps childhood is simply the last time the brain allowed itself not to economize.
The brain doesn't film, it archives
In childhood, the visual system is in a calibration phase. The brain prioritizes novelty and intensity to build its maps of the world; that's why colors seem more saturated. Over the years, it becomes efficient: it filters out redundant information to save energy. What you see isn't worse, it's an executive summary. Your first visit to the Sistine Chapel is a bombardment of raw data; by the second, the brain already has the .zip file of the experience and only unzips what it needs.
The eye ages too, though without drama
Presbyopia has to do with the lens, which hardens and yellows, and the ability to see in the dark declines with accumulated exposure to UV radiation. These are optical changes, not neurological ones, and they explain why the twilight of childhood felt more livable.
Nostalgia has its own light
Some argue that LED lighting, colder and more glaring, has stolen warmth from our nights. It's an environmental hypothesis, hard to separate from memory and one's own biography. The underlying question remains open: has the world lost tonalidad, or have we simply learned not to look at it? Perhaps childhood is simply the last time the brain allowed itself not to economize.
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Summary of a discussion on Burbuja.info - Foro de economía, actualidad y política., translated from Spanish and reviewed before publication. Read the full discussion (30 replies).
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