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Just like humans trying to stick to New Year’s resolutions, guppies have varying levels of self-control, a study has suggested.
Researchers from the universities of Exeter and Ghent examined the behaviours of Trinidadian guppies who were tested for their ability to suppress unhelpful impulses or urges.
The tiny fish first learned how to swim into a cylinder to get food – then a cover was removed to make the cylinder transparent.
Inhibitory control was measured by whether a guppy resisted the urge to swim directly towards the food – bumping into the cylinder – or still swam around, relying on previous learning.
Credit: University of Exeter
Just like humans trying to stick to New Year s resolutions, guppies have varying levels of self-control, a new study shows.
Researchers from the University of Exeter and Ghent University studying the behaviours of Trinidadian guppies tested inhibitory control (suppressing unhelpful impulses or urges).
The tiny fish first learned how to swim into a cylinder to get food - then a cover was removed to make the cylinder transparent.
Inhibitory control was measured by whether a guppy resisted the urge to swim directly towards the food - bumping into the cylinder - or still swam around, relying on previous learning.