Dharma Wheel

A Massachusetts General Hospital study in next week's Psychiatry Research: Neuroimaging shows marked brain changes over an eight-week practice of mindfulness meditation. Of course, by definition, every experience you have makes changes in your brain (that's pretty much the definition of experience: "something that changes your brain"), but in this case, the changes point to deep and lasting effects as a result of meditation that correspond to the reported experience of meditators. (This confirms earlier research from the hospital, like this study from 2005).

Read More Here...

That is interesting and sheds some light on the subject of "merits" accumulated even with short-term instances of practice.

However as in the case of physical training the effects will be deteriorating if there is no continuous training ... everything is impermanent.

Kind regards