An electron is an event more than a thing. And the observer participates in that event by the very process of his or her observation. There is no way to avoid this interaction. Eastern science has recognized this basic principle for a very long time. The mind is a set of events, and the observer participates in those events every time he or she looks inward.
Meditation is participatory observation.
What you are looking at responds to the process of looking. What you are looking at is you, and what you see depends on how you look. Thus the process of meditation is extremely delicate, and the result depends absolutely on the state of mind of the meditator. The following attitudes are essential to success in practice. Most of them have been presented before.