I always notice it when there's a closeup of a face, and then the person turns away. This can be a single object, like a ball or car, or the entire screen, as when the camera pans across a landscape. Motion blur is when anything on-screen blurs, becoming fuzzy and less distinct, when it moves. Or at least, happier than before I ruined TVs for you. Learning the pros and cons of each should help you get a TV image you're happier with. Numerous other anti-blurring technologies, including LED backlight scanning and black frame insertion, can be found on today's TVs. High refresh rates and motion smoothing are just the beginning. TV makers created this effect to combat motion blur and often associate it with 120Hz refresh rates.
Along with many movie fans, Tom Cruise hates this 'solution' to motion blur, which can make films look buttery-smooth in motion, kind of like soap operas. However, these methods often have side effects that, for many people, are worse than the cure. Sorry in advance for ruining your viewing experience, but there are a few potential solutions to consider. Or you may be enjoying watching television in blissful ignorance, never even realizing that your TV looks soft. You may have noticed the blur before and not been able to put your finger on what exactly was so bothersome about it. TV manufacturers have been trying to combat something called 'motion blur' for years. If TV motion blur doesn't bother you yet, maybe you shouldn't read this.