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>Faster visual processing leads dogs to perceive time as passing more slowly than humans do. They experience more subjective perceptual moments in the same objective timeframe.
>This effect is moderate (roughly 25-40% slower time perception compared to humans, per various studies), so events unfold at a slightly stretched pace subjectively.
>Some research and theories (e.g., linking perception to metabolic rate, body size, or total lifetime heartbeats) suggest that subjective lifespans are roughly comparable across mammals—a dog's 12-year life might feel as "full" or extended to it as a human's 80 years does to us, due to faster experiential "ticks." However, this isn't universally accepted; the perceptual speedup (e.g., 1.3x from CFF ratios) doesn't fully bridge the 6-8x lifespan gap, so dogs' subjective lives are likely still shorter than humans' overall, though meaningfully lengthened by their time dilation.