this is kinda true for me esp i do researchs or readings   its not that i cant concentrate on a task but that i can pay attention to so many things at a times while doing that task in my case i like to read and dig information so i can read and take in a lot of info  usually get sidetracked on the way tho  however my brain cant process the big amount of data with the same speed and then it takes me ages to do anything and makes me feel like im procrastinating cause im not making any process