"Emotional detachment" refers to the ability to separate oneself from strong emotions or feelings. It means not getting overly affected or involved emotionally in certain situations or relationships. Full definition
Succeeding in a startup environment requires a kind of emotional detachment from your ideas. (entrepreneur.com)
There is such an immense amount of emotional detachment from these characters; whether they live or die, the outcome really doesn't affect you emotionally and sometimes it's painstakingly obvious that the developers want you invested in these characters, to create an emotional bond, and they fail miserably in execution. (afterstorygaming.com)
Psychological symptoms that existed before ICU stay were strongly associated with depressive symptoms after ICU discharge, as was the presence of psychological distress symptoms experienced in the ICU or hospital, including anger, nervousness and acute stress symptoms, such as emotional detachment or flashbacks. (sciencedaily.com)