Researchers say humans are developing brains focused on skimming over information online instead of the traditional deep reading.
After a day of scrolling through the Web and hundreds of e-mails, she sat down one evening to read Hermann Hesse’s “The Glass Bead Game.” “I’m not kidding: I couldn’t do it,” she said. “It was torture getting through the first page. I couldn’t force myself to slow down so that I wasn’t skimming, picking out key words, organizing my eye movements to generate the most information at the highest speed. I was so disgusted with myself.”
I've noticed this happening to myself sometimes, it scares me and I force myself to breathe and read again.
The whole article is worth reading, try not skipping any paragraphs.