Mental meditations,you do essentiially in your head, that is, without bodily movement.The fact that we term these "mental" does notmean that they do not also affect the emotional life and physiology the use of the muscular apparatus. You do them while remaining in one position. The diffenrence between "structured" and "unstructured" meditations. A structured meditation is one that carefully ans precisely defines what the inner activity is that you are working toward. Breath …showed first 75 words of 244 total…

…showed last 75 words of 244 total…the more we see that it is impossible to do completetly without some real expansion of the ways we can perceive and relate to realllity. It is just not possible , in our usual, everyday way of being, to think actively and dynamically of just one thing at the time without comparisons or classes of thing, and yet it is exactly this task, and working in a hard, disciplined it is no longer impossible for us.