So far, I notice a few different effects from exploring sense fields…
At the level of who I am (this human self), there is a release from being caught up in habitual patterns, and also a softening of the patterns themselves.
So in a purely psychological sense, it seems that exploring sense fields can be helpful in a range of different ways. There is a release from being caught up in habitual patterns, including taking stories as true and its effects such as reactiveness, compulsions and more. There is a release from being caught up in content of experience, including emotions and moods. And there is a release from being caught up in narrow identities, and its effects of being in struggle with oneself and life in general.
Especially noticing what is happening in sensations, how the mental field overlays interpretations and stories, and the difference between taking those gestalts as real and substantial, or seeing how they are made up of sensations and mental field activity, seems helpful.
When I take the sense field + mental field gestalts as real and substantial, I tend to get caught up in them and be identified with content of awareness. When they are seen as gestalts, and I notice what is happening within each field distinct from the other, there is a softening and release from being caught up in it, and identified with content of awareness.
(I am not the first person to notice that, which is why these types of practices are being used more in psychotherapy.)
At the level of what I am (that which experience happens within, to and as), exploring the sense fields helps what I am notice itself more clearly. For instance, I can explore impermanence in each sense field, see how it all is in flux, and that what I am is not in flux. Or I can notice that what happens in each sense field is awareness itself. Or that a sense of an I-Other, center-periphery, inner-outer, all comes from a mental field overlay on each of the fields.
And at the transition between taking myself as who and what I am (the shift from one to the other), I can explore impermanence in each sense field, and find that I am not content of experience. I can notice whatever is happening within each sense field as awareness itself. I can notice how the mental field creates an overlay of I-Other on each sense field, and see that too as content of awareness as anything else, and what I am is not quite that.
who: release from habitual patterns
shift from who to what: impermanence, all as awareness itself
what: notice what we are