“…During the late nineteenth century (Spencer, 1855; Sully, 1892; Wundt, 1897) and mid-twentieth century (Brenner, 1974; Duffy, 1934, 1941; Dunlap, 1932; Harlow & Stagner, 1932, 1933; Hunt, 1941; Mandler, 1975; Ruckmick, 1936; Schachter, 1959), many psychological constructionist models of emotion were proposed, all of them inspired by the observation of variability in emotional responding and the failure of basic emotion approaches to account for this variability. In addition, most emphasise the processes by which internal sensory or affective states become meaningful—an emotion emerges when a person's internal state is understood in some way as related to or caused by the external surroundings.…”