I meditate using Holosync too, but I also use Paraliminals frequently.
However, I also found that the ideas of Eckhart Tolle are helping me understanding better how the human mind works. His interviews with Oprah are really good.
Another good way of understanding how our mind work is Pyscho-Cybernetics by Maxwell Maltz.
All this will help you understand how your mind creates depression. This will assist you in getting out of it. If you leave in the present moment and concentrate on it, it is less likely that you get depressed. Depression is fear or anger of past events or future situation you imagine yourself.
