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⚗️ Opioid Receptor Tolerance and Withdrawal Simulator

Explore how repeated dosing downregulates mu-opioid receptors and shifts dose-response curves rightward, and see the rebound withdrawal state that emerges when the drug is removed.

Medicine & Biophysics3DModerate60 FPS

The simulation administers repeated opioid doses to a virtual mu-opioid receptor population, showing the dose-response curve shift rightward as tolerance develops, then removes the drug to reveal a rebound withdrawal spike in neuronal activity.

🔬 What It Demonstrates

🎮 How to Use

Use the dosing frequency and dose-size sliders to build tolerance over simulated days, then hit the stop-dosing control to watch receptor signaling rebound into a withdrawal state.

💡 Did You Know?

Tolerance to opioid pain relief typically develops faster than tolerance to the suppression of breathing, which is a major reason why relapse after a period of abstinence carries such a high overdose risk.

⚙ Under the hood

Explore how repeated dosing downregulates mu-opioid receptors and shifts dose-response curves rightward, and see the rebound withdrawal state that emerges when the drug is removed.

neuropharmacologyopioid receptorsdrug tolerancewithdrawaladdiction neurosciencereceptor downregulationdose-response curvepharmacology

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install