Plants Experience Optical Illusions, Too

A team of botanists from Tel Aviv University reported that sunflowers exhibit non‑linear light responses, bending toward a weaker light when two equally bright opposing sources cancel each other out. Experiments with varying light intensities showed the plants’ distributed receptors process direction vectors rather than intensity, suggesting plants can experience optical‑illusion‑like effects.

Source: Plants Experience Optical Illusions, Too — Nautilus

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