1. Anderson AK, Phelps EA (2001) Lesions of the human amygdala impair enhanced perception of emotionally salient events. Nature 411:305–309
2. Aristotle (1962) Nicomachean ethics (tr. M. Ostwald). Macmillan, New York
3. Arnold M (1963) Emotion and personality. Columbia University Press, New York
4. Averill J (1980a) A constructivist view of emotion. In: Plutchik R, Kellerman H (eds) Emotion: theory, research and experience, vol. 1. Academic, New York, pp 305–339
5. Averill J (1980b) Emotion and anxiety: sociocultural, biological and psychological determinants. In: Rorty A (ed) Explaining emotions. University of California Press, Berkeley, CA, pp 37–72