focus & concentration: crash course study skills #5 Published 6 years ago • 675K plays • Length 10:13 Download video MP4 Download video MP3 Similar videos 5:01 5 min brain training - focus and concentration 18:00 why you’re always distracted - 5 mistakes ruining your focus 19:27 the first 20 hours -- how to learn anything | josh kaufman | tedxcsu
