Margaret J. Osika’s scientific contributions

... Unpleasant emotions, often categorized as negative emotions, include a wide range of feelings that people generally find distressing or difficult to experience. Some common unpleasant emotional states include anxiety (feeling of worry, nervousness, or unease, typically about an imminent event or something with an uncertain outcome; Freud et al. (1977) discussed anxiety as a psychological state that arises from repressed feelings and desires; Sartre et al. (2022) views anxiety as a fundamental part of the human condition, especially in confronting freedom and choice; fear (distressing emotion induced by perceived danger or threat; Darwin, 1993, discusses fear as a primal emotion with physiological responses and LeDoux, 2012, explored the brain's role in fear, particularly the amygdala's function in processing fear); sadness (feeling of sorrow or unhappiness, often in response to loss, disappointment, or helplessness; Kubler-Ross, 1969, on her work on the five stages of grief includes sadness as a key emotional stage when people confront death or significant loss); guilt (feeling of responsibility or remorse for some offense or wrongdoing; Freud, 1989, (Superego) theorized that guilt arises from the conflict between the ego and the superego (conscience), when moral values are violated); shame (painful feeling of humiliation or distress caused by consciousness of wrong or foolish behavior; Miceli & Castelfranchi, 2018, emphasized the difference between shame and guilt); and anger (strong feeling of annoyance, displeasure, or hostility); Kassinove (1995) studied anger as a mood state of everyday life. ...

Reference:

Effects of impulsivity and emotions on time perception: Laboratory behavioral measures