The phrase "negative valence" refers to something that has a negative or unpleasant emotional or psychological effect on a person. It describes experiences, situations, or emotions that make us feel bad or uncomfortable. Full definition
This study targets the RDoC Negative Valence Systems domain, one of five broad categories intended to provide a framework for psychopathology research. (sciencedaily.com)
Songs with negative valence are what a layperson would label «sad,» while simple tunes have low depth. (inc.com)
Positive valence included terms such as glad, pleasant and lovely; negative valence included terms such as gloomy, unfortunate and sad. (sciencedaily.com)