1. The laws of emotion;NH Frijda;Am Psychol,1988
2. Progress on a cognitive-motivational-relational theory of emotion;RS Lazarus;Am Psychol,1991
3. Emotion and motivation I: Defensive and appetitive reactions in picture processing;MM Bradley;Emotion,2001
4. Bradley MM, Lang PJ (2000) Measuring emotion: Behavior, feeling, and physiology. In: Lane RD, Nadel L, editors. Cognitive neuroscience of emotion. Series in affective science. NewYork, NY: Oxford University Press. 242–276.
5. Lang PJ, Bradley MM, Cuthbert BN (1997) Motivated attention: Affect, activation, and action. In: Lang PJ, Simons RF, Balaban MT, editors. Attention and orienting: Sensory and motivational processes. Hillsdale, NJ: Erlbaum. 97–135.