theerapun:
I used to be a student and I think I know where you're coming from with your study/procrastination dilema. It's probably as classic a case of a Stuck State as you can get: you know you need to study in order to pass your courses but you find yourself stuck in an apathetic state that freezes you. Guilt and forboding accumilate in your head and yet the apathetic state does not subside. In the end you probably act out of a sense of panic of just plain fear of failure.
I'm not here to tell you what to do, but you may looking at a symptom of a larger problem...One that may need more than a paraliminal tape. Natural Brilliance deals with stuck states such as the one you seem to be describing.
Anyway, you're not alone, I bet half the students at your school struggle with stuck states!