"Negative emotionality" refers to the tendency or inclination to experience and express negative emotions like sadness, fear, anger, or stress more frequently or intensely than others. Full definition
Maternal prenatal cortisol predicts infant negative emotionality in a sex - dependent manner. (cambridge.org)
Testing a core emotion - regulation prediction: Does early attentional control moderate the effect of infant negative emotionality on later development? (cambridge.org)
Marijuana abusers show lower positive and higher negative emotionality scores than controls, which is consistent, on one hand, with lower reward sensitivity and motivation and, on the other hand, with increased stress reactivity and irritability. (pnas.org)