It's sort of an interesting but the use of the term attention seems "over determined" (used to mean several not identical things) and "looping" is fuzzily defined (the main clue of seems analogy with "good sex", sex where you're engaging your entire body and being - a subject that apparently gets people's interest, yeah).

I think there's a standard and clearer explanation of what the author describes. A rich, satisfying experience comes from a melding of "goal focus" and expanded awareness. IE, Pleasure in some complex process involves reaching for a set "foreground" goal while keeping an awareness of entire "background" situation that prevents from fixating on the immediate goal. You can qualities of rhythm, self-similarity and etc into this "recipe" to describe rich satisfying experiences of multiple sorts (Art, sex, dance, conversation, [insert your favorite thing]).

The book Flow by Mihaly Csikszentmihaly goes into this stuff in long but still fuzzy detail.

The article doesn't attempt to define any terms or reference the actual literature, just throws random "good sounding" crap together as if it's valid. I mean they unironically use the phrase "deeply cohere their attentional field." Seriously? Lmao.