Rats trained to drive a small vehicle: what a US study reveals about their need for challenges
Published by Planète Pets · managing editor: Clément Lacaille · how our guides are written
Teaching a rat to operate a complex mechanism for a reward is no laboratory gimmick: it's a direct window into what this rodent can learn, and what that learning does for it. Find our enrichment guidance in the rodent toys and enrichment section.
A US study on rat drivers
Crawford, Knouse, Kent, Vavra, Harding, LeServe, Fox, Hu, Li, Glory, and Lambert published a study on rats trained to steer a small vehicle toward a food reward in the journal Behavioural Brain Research in 2019. Rats housed in an enriched environment before training learned the task faster than those housed in standard cages, and the researchers measured a more favorable hormone ratio (DHEA to corticosterone) in the trained animals, a sign of a more resilient stress profile rather than a one-off burst of excitement.
What this means for everyday activities
This study confirms a principle already familiar to experienced rat owners: a stimulating environment beforehand shapes how well the rodent can then take on more complex challenges, and that ability itself appears to benefit its hormonal balance. A rat kept on minimal enrichment isn't just missing out on activities: it starts at a disadvantage the day it's asked to learn something new.
- Vary the difficulty of games rather than repeating the same course or the same hiding spot every time.
- Introduce mechanisms to manipulate (levers, hatches, small circuits) to engage problem-solving, not just nibbling.
- Favor a varied environment from a young age, since learning ability seems to build up before more advanced challenges are introduced.
These principles round out the profile covered in the fancy rat profile and the fancy rat toys and enrichment page. Our article on how an enriched environment affects a rat's cortex builds on this finding.
Frequently asked questions
Should this setup be recreated at home?
No, the point isn't to teach a rat to drive but to take away that a stimulating environment beforehand makes it easier to learn complex tasks offered later on.
Do all rats learn at this pace?
No, the study actually shows a gap depending on each animal's enrichment history; an older rat, or one less used to novelty, may need more time.
Does this kind of activity replace regular out-of-cage time?
No, it adds to the play and exploration time already recommended, not replacing it. Find all our guides on the rodent hub.
See it in the Planète Pets shop: Hanging chew garland for rabbits and rodents (€17.90) · the whole shop
This guide is part of Planète Pets’s Rodents universe. Our advice is general in nature: for any health concern, your veterinarian remains the only reference.
