1. Reinforcement Sensitivity Theory (RST): introduction Philip J. Corr; 2. The neuropsychology of fear and anxiety: a foundation for Reinforcement Sensitivity Theory Neil McNaughton and Philip J. Corr; 3. Animal cognition and human personality Neil McNaughton and Philip J. Corr; 4. The behavioural activation system: challenges and opportunities Alan D. Pickering and Luke D. Smillie; 5. Reinforcement Sensitivity Theory and personality Philip J. Corr and Neil McNaughton; 6. Reinforcement sensitivity scales Rafael Torrubia, César Ávila and Xavier Caseras; 7. Performance and conditioning studies César Ávila and Rafael Torrubia; 8. Psychophysiological studies Vilfredo De Pascalis; 9. Reinforcement Sensitivity Theory and mood induction studies Rapson Gomez and Andrew Cooper; 10. Neuro-imaging and genetics Martin Reuter; 11. Reinforcement Sensitivity Theory and psychosomatic medicine Liisa Keltikangas-Järvinen; 12. RST and clinical disorders: anxiety and depression Richard E. Zinbarg and K. Lira Yoon; 13. RST and psychopathy: associations between psychopathy and the behavioral activation and inhibition systems John F. Wallace and Joseph P. Newman; 14. Behavioural activation and inhibition in social adjustment Gennady G. Knyazev, Glenn D. Wilson and Helena R. Slobodskaya; 15. Reinforcement sensitivity in the work-place: BIS/BAS in business Adrian Furnham and Chris Jackson; 16. Formal and computational models of Reinforcement Sensitivity Theory Alan D. Pickering; 17. Reinforcement Sensitivity Theory: a critique from cognitive science Gerald Matthews; 18. The contribution of Reinforcement Sensitivity Theory to personality theory William Revelle.