Swiss Institute Develops AI System To Better Detect Pain In Lab Mice

2026-04-27 02:08:36

(MENAFN- Swissinfo) An AI monitoring system developed by the Swiss federal technology institute ETH Zurich uses algorithms to recognise changes in the facial expressions of rodents caused by stress or pain. Select your language

Generated with artificial intelligence. Listening: Swiss institute develops AI system to better detect pain in lab mice This content was published on April 27, 2026 - 16:34 3 minutes Keystone-SDA

Français fr L'IA pour mieux détecter la douleur chez les souris de laboratoire Original Read more: L'IA pour mieux détecter la douleur chez les souris de labora

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The new Grimace system standardises the monitoring of laboratory animals, the ETH Zurich said in a statement on Monday. It uses machine vision and machine learning to assess the facial expressions and postures of mice. According to the researchers, observation is immediate, gentle and objective.

The system consists of a box fitted with two cameras, one at the top and one facing the mouse, similar to a photo booth for identity photos. The two cameras are used to detect subtle signs of pain and discomfort that are often apparent in the facial expressions of rodents: squinted eyes, bulging noses and cheeks, changes in the position of the ears or the orientation of the whiskers.
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