Home▸Physics & Mechanics▸Hominin Brain Size Evolution: 2D Selection Model

🦴 Hominin Brain Size Evolution: 2D Selection Model

Quantitative-genetic model of cranial capacity under a moving climatic optimum: breeder equation, lag, drift and stasis.

Physics & Mechanics2DModerate60 FPS📱 Mobile-adapted⇄ 2D version

Details

CategoryPhysics & Mechanics

RenderingCanvas 2D

DifficultyModerate

Target FPS60

ControlsSliders for population size, heritability, selection width, segregation variance, climate regime, climate rate and amplitude and speed; presets from Australopithecus to Homo, stasis, glacial cycles and abrupt shifts; click or drag on the map to move the optimum.

anthropologyhuman evolutionhomininsnatural selectionquantitative geneticscranial capacity

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⚙ Under the hood

Interactive 2D quantitative-genetic model of hominin cranial capacity: stabilizing selection toward a moving climatic optimum with the breeder equation R = h2 S, selection lag, drift and stasis, shown as a time-versus-trait heat map with a live graph.

anthropologyhuman evolutionhomininsnatural selectionquantitative geneticscranial capacity

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install