I hesitated to post this as I did not want to mislead anyone.
I was reading the post ‘Udayavaya Nana – Introduction’.
Lal, do you think Goenka’s body scan technique as mentioned by lucas.cambon leads to the cultivation of udayavaya nana of pancakkhandha, i.e. observation of the uppada, thithi and bhanga of sensations?
Yet I am wary of the technique, since cuiboiboi stated: At this stage, one realizes that there is no “I”, “mine”, “myself” behind these wavelets, and hence anattā (here meaning “egolessness”).
This is in contrast to the definition of anatta that you discuss — that of being devoid of substance and worth.
I would recommend that people investigate further before practising it.