We humans need about 16 to 20 images a second to perceive what we see as continuous film, whereas dogs need about 70 images per second.So a few years ago, Fido was probably confounded by his master's behaviour of sitting for hours staring at a flashing succession of images. With modern resolution and quicker imaging, dogs have become potential television viewers.This has not gone unrecognised in the USA, for example, where hopeful TV producers have started special TV channels for dogs.If you have other pets, however, you need to think twice before placing them in front of the TV.Birds need at least 100 frames per second to see TV images as a moving picture. Having a bird in the same room as a TV with a lower frame rate than that will be very stressful for the creature.“It’s cruelty to animals,” says Ropstad. “It’s like putting you in a room with strobe lights, like in a discothèque.”Nevertheless, while dogs can now see what’s happening on TV, they still don’t see the same as we do.@Curionic

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