The phrase "heightened form" is correct and can be used in written English.
It is used to refer to a form of something that has been further honed or intensified in a higher level of effectiveness or potency. For example, you might say, "We have developed a heightened form of the vaccine that will be even more effective than before."
He initially pursued this aim with a heightened form of ideological dogmatism.
And for me, "The Hour" has a slightly heightened form, and the characters came out of that.
Poetry when performed — it's sort of like a heightened form of speech that is performative and is rhythmic.
As would be portrayed, in a heightened form, in The Butcher Boy, home life in the McCabe household could be less than tranquil.
Finally, after a period of seeming retirement, Verdi produced "Otello" and "Falstaff," in which the bel-canto tradition was recast in dizzyingly heightened form.
In optimistic moments, she tried to convince herself that she suffered from no more than a heightened form of squeamishness that was bound to pass.
Strand et al. (2015) suggested that CSV necessitates heightened forms of collaboration and stakeholder management as they remarked about the apparent links between creating shared value and stakeholder theory.
With this new production it looks as if, for the summer season, he is looking to develop a similarly heightened theatrical form featuring some of the same ingredients (including the panto's delicious long-term baddie, David Leonard).
Dietsch's routine approach to form heightened awareness that the same structural patterns were at work in "Dutchman," yet in a more flexible, less doctrinaire way.
Its austerity of form heightened by James Brook's lean translation from the French, this stark account of a man's professional decline and mental deterioration is all the more chilling for being the story of a hired killer.
Watching those human dramas broadcast across a grainy little black-and-white screen from his frayed armchair, he believed these cases, small claims though they might be, could be Shakespearean in scope; indeed, their diminished televised form only heightened the impact of the stories.
