"detached attention" is a correct and usable phrase in written English.
You would use it to describe a form of focus in which a person is observing a situation without any emotional attachment or bias. For example: "Tom watched the fight with detached attention, not expressing any opinion on the outcome."
Even those songs that were sung — "Lucky to Be Me," "Maria," "Somewhere," "Some Other Time" and "Cool" — were held at arm's length by Mr. Elling who exhibited a detached technical perfectionism and attention to tonal shading.
Investigations of the large commercial aircraft impact effect have been drawing extensive attention, and the detached massive engine during aircraft collision would cause severer local damage to structures than the aircraft fuselage.
All detached retinae remained detached until the day of euthanasia.
Usually, with an overload of information, cars that can brake and drive themselves almost, and sat navs telling you which way to turn, it is far too easy to become a semi-detached driver, not paying proper attention, and relying instead on the plentiful external signals, while you daydream about winning £66 million on the lottery or how Labour might win the next election.
He repeats words (pay attention to "island" and "detached"), making them signposts to guide audiences toward his conclusion.
Throughout the game's development the staff tried to remain flexible and detached from the original design concepts; attention was focused on the features that worked well, while features that did not work were removed.
Imagine a vicious circle in which young people become increasingly detached, so politicians pay less and less attention to them, leading in turn to yet deeper disillusionment and disengagement among those aged 18 to 24.
But an enraptured audience belted along all the same even a few detached chaperones accompanying young ones were roused to attention by her set's ending.
In time, Mr. Kitano loses interest in the diplomat and returns his gaze to the yakuza, attention that brings with it a detached, chilling finality and a sense of actual tragedy.
