Answer :

TV doesn't necessarily cause a "rotting" of the brain per se, but it does cause a dependency on limbic system stimulation. 
it depends watching TV can become addictive with a lot of people who have addictive problems, depending on the person studies show sometimes, actually watching TV stabilized the brain with strategies to make u aware of some possible  interactions, i would avoid a lot of cartoons tho even though yes they are fun, games on xbox... ps3 etc, like COD for example helps your brain work with fast thinking or quick acting along with skills with military ...