Wiktionary
sustained emotion
n. 1 (context advertising English) One of four archetypal dramatic structure of commercials characterized by a continuously high level of positive emotions with the brand introduced early as the source of these emotions. 2 (context advertising English) A narrative structure used in commercials known as “producer-type” advertising.''
Usage examples of "sustained emotion".
Just as a slow series of clicks when speeded up will lose the definition of each individual click and gradually take on the quality of a sustained and rising tone, so a series of individual impressions here took on the quality of a sustained emotion-and yet not an emotion.
The only sustained emotion I have ever seen him display is his violent dislike of my marriage.